Find an in-network doctor from over 10,000 insurance plans

Add your insurance to see in-network doctors
insurance link for 300
insurance link for 307
insurance link for 323
insurance link for 356
insurance link for 324
See all (1,000+)
148 verified Medicare Cardiologists in Phoenix, AZ
Zocdoc verifies all providers before they can appear in Zocdoc search results. Every provider that appears in search is open to new patients.
In-network providersInsurance logo
Availability last updated 11/02/2026
Availability last updated 11/02/2026
Cardiologist
5.00
·1 review
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time
Next available: Tue, Nov 10
Cardiologist
5.00
·3 reviews
The doctor was excellent!! His office staff and nurse were fantastic as well!! Highly recommend this doctor!!!Click to read more
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patients · 24 years of experience · Highly recommended
Next available: Fri, Nov 6
Cardiologist
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patients
Next available: Fri, Nov 6
Family Nurse Practitioner (Virtual)
4.82
·60 reviews
Dr. Wilson was wonderful and attentive, it was really refreshing to speak to a doctor that actually listens. - Jul 29, 2026 by Diana L.Click to read more
Phoenix, AZ
In-network · Medicare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time · Expertise in acute urinary tract infection + 2 more ·
Read bio
Ms. Priscilla Wilson is a skilled family nurse practitioner who provides comprehensive, patient-centered care to individuals and families. She practices at Wilson Wellness and offers the convenience of virtual consultations. Ms. Wilson is skilled in diagnosing, treating, and managing acute and chron...Click to read more
Next available: today
Cardiologist
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patients
Next available: Fri, Nov 13
Family Nurse Practitioner (Virtual)
4.92
·142 reviews
This doctor is great. It was a quick appointment. And a great bedside manner.Click to read more
Phoenix, AZ
In-network · Medicare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Mr. Benedict Bunal is a family nurse practitioner at EZ Medical Clinic. He offers virtual consultations to patients of all ages with common illnesses, chronic diseases, mental health issues, and minor injuries. During consultations, Mr. Bunal explains the conditions to patients, prepares treatment p...Click to read more
Next available: today
Cardiologist
5.00
·1 review
Well mannered, reviewed my information, tests and background and suggested additional future plan fit to my needs. It was my first visit. - Sep 28, 2026 by George V.Click to read more
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait timeExpertise in chronic high blood pressure + 6 more
Next available: Mon, Nov 30
Cardiologist
4.93
·42 reviews
Dr. Patil was very thorough, friendly, reassuring, and attentive. Highly recommended. - Mar 14, 2025 by Annabelle M.Click to read more
5.5 mi · 6036 N 19th Ave, Ste 510, Phoenix, AZ 85015
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in cardiac catheterization + 2 more ·
Read bio
*If a referral is required, please do not make a same-day booking.* Dr. Patil received his medical and postgraduate degree in Internal Medicine from Government Medical College in Aurangabad, India. He then worked in Jaslok and Nanwati Hospital in Bombay. Subsequently, he worked in several NHS hospi...Click to read more
Next available: Thu, Nov 5
Family Nurse Practitioner (Virtual)
4.35
·52 reviews
She was very accommodating. We just had technical difficulties during the call, which I’m sure was not her fault. - Apr 16, 2026 by Keisha M.Click to read more
Phoenix, AZ
In-network · Medicare
Accepting new patients · Offers video visits ·
Read bio
Ms. Bernadette Kimemia is an experienced family nurse practitioner who offers virtual consultations via Bernadette Wellness. As part of her formal education, Ms. Kimemia earned a master's degree in family health nursing and a doctoral degree in nursing practice from Chamberlain University - Chicag...Click to read more
Next available: Wed, Nov 4
Cardiologist
4.58
·36 reviews
Awesome - May 15, 2025 by Harrison M.Click to read more
6 mi · 3540 E Baseline Rd, Ste 131, Phoenix, AZ 85042
In-network · Medicare
Accepting new patients · Excellent wait time · Expertise in chronic high blood pressure + 8 more ·
Read bio
*If a referral is required, please do not make a same-day booking.* Dr. Rampal earned his Doctor of Medicine at Seton Hall University, New Jersey. He then completed his Clinical Cardiology Fellowship and Interventional Cardiology Fellowship at New York Medical College. He moved to Arizona, att...Click to read more
Next available: Fri, Nov 13
Cardiologist
4.98
·54 reviews
Overall a very good experience. Dr was very interested in listening to my issues. Addressed all my questions and came up with a good plan of tests going forward. Was able to schedule my tests before I left the office. - Jan 4, 2024 by Michael H.Click to read more
6 mi · 3540 E Baseline Rd, Ste 131, Phoenix, AZ 85042
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time · Expertise in percutaneous cardiac intervention + 3 more ·
Read bio
*If a referral is required, please do not make a same-day booking.* Dr. Khakwani earned his medical degree from Baqai Medical University, one of the oldest Private Medical Institutes in the country, and finished top 20 in his class. He then completed his USMLE exams and joined Newark Beth Israel ...Click to read more
Next available: Fri, Nov 20
Cardiologist
4.69
·70 reviews
Bonifasiyo Ssennyamantono, took my treatment very seriously and never tried to downplay my my worried and symptoms - Jun 2, 2026 by Riley J.Click to read more
12.5 mi · 10815 W McDowell Rd, Ste 204, Avondale, AZ 85392
In-network · Medicare
Accepting new patients · 25+ years of experience · Expertise in intermittent racing heartbeat (psvt) + 9 more ·
Read bio
*If a referral is required, please do not make a same-day booking.* Dr. Ssennyamantono received his undergraduate degree from Harvard University and Doctorate of Medicine from Columbia University College of Physicians and Surgeons in New York. In 2003, he completed his Residency training in Inter...Click to read more
Next available: today
Cardiologist
4.95
·43 reviews
Good listener. Confident in his diagnosis's - Aug 30, 2024 by Ronald E.Click to read more
12.5 mi · 10815 W McDowell Rd, Ste 202, Avondale, AZ 85392
In-network · Medicare
Accepting new patients · 25 years of experience · Highly recommended · Excellent wait time · Expertise in atrial fibrillation and atrial flutter + 9 more ·
Read bio
*If a referral is required, please do not make a same-day booking.* Dr. Seth received his undergraduate degree from The College of New Jersey. He subsequently went on to New Jersey Medical School, where he received his MD. He then completed his residency in internal medicine at Beth Israel Deacones...Click to read more
Next available: tomorrow
Cardiologist
4.91
·33 reviews
I feel very confident in Dr Ortiz he's very knowledgeable and made me feel very comfortable staff was great as well by JCClick to read more
14.5 mi · 2175 N Alma School Rd, Unit 104, Chandler, AZ 85224
In-network · Medicare
Accepting new patients · 25+ years of experience · Highly recommended · Excellent wait time · Expertise in coronary artery disease + 6 more ·
Read bio
For over two decades, Dr. Pedro Ortiz, MD, FACC, has dedicated his life to a single, vital mission: keeping your heart healthy so you can focus on what matters most. As a board-certified, non-invasive cardiologist with 22 years of clinical experience, Dr. Ortiz blends deep medical expertise with a w...Click to read more
Next available: tomorrow
Family Nurse Practitioner
4.61
·70 reviews
Visited for my daughter‘s annual checkup before the school year. He was so gentle and kind at all time for check up. - Jul 11, 2026Click to read more
8.5 mi · Wells Fargo Plaza, 64 E Broadway Rd, Suite 200, Tempe, AZ 85282
In-network · Medicare
Also offers video visits · Accepting new patients · Excellent wait time ·
Read bio
If you are having difficulty reaching the practice through the platform, calling the number above is the fastest way to connect with our team. Mr. Salahudeen Yaimir Jones Cook is a skilled and compassionate family nurse practitioner offering both virtual consultations and in-person care through Cook...Click to read more
Next available: tomorrow
Nurse Practitioner
4.93
·61 reviews
Experience with Doctor Ahmad was great! It was quick and easy. Thank you for the help - Oct 7, 2026 by Carlos R.Click to read more
8.5 mi · 8618 N 35th Ave, Phoenix, AZ 85051
In-network · Medicare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
***Please note for patient saftey BritePath Medical does not prescribe or refill controlled pain medication during an initial visit. All treatment decisions are based on clinical evaluation and review of patient's medical history and records.*** Ahmad Zeitoun is a dual board-certified Family Nurse ...Click to read more
Next available: tomorrow
Cardiologist
4.67
·15 reviews
15.5 mi · 1727 W Frye Rd, Ste 200, Chandler, AZ 85224
In-network · Medicare
Accepting new patients · 25+ years of experience · Expertise in heart valve surgery + 6 more ·
Read bio
Dr. Ashish Pershad is a board certified interventional cardiologist. He is the Director of Interventional Cardiology at Chandler Regional Medical Center and Mercy Gilbert Medical Center.Click to read more
Next available: Fri, Nov 6
Family Nurse Practitioner
15.5 mi · 1045 E University Dr, Mesa, AZ 85203
In-network · Medicare
Accepting new patients · Expertise in ear infection ·
Read bio
Dr. Christina Sword is a double board-certified Nurse Practitioner with doctoral preparation from Aspen University and a master’s degree from Walden University. Her clinical work is grounded in evidence-based practice, clear communication, and a deep commitment to quality patient care. Her doctoral...Click to read more
Next available: today
Family Nurse Practitioner
15.5 mi · 1455 W Chandler Blvd, Ste B11, Chandler, AZ 85224
In-network · Medicare
Accepting new patients ·
Read bio
Ashtin Emler is a Family Nurse Practitioner known for her warm, patient-centered approach and her ability to make every person feel truly seen. With more than 12 years of experience across family medicine, neuro and stroke care, and mental health, she brings a strong understanding of whole-person we...Click to read more
Next available: today
Family Nurse Practitioner
15.5 mi · 1455 W Chandler Blvd, Ste B11, Chandler, AZ 85224
In-network · Medicare
Accepting new patients ·
Read bio
Christiana Yankey is a Family Nurse Practitioner with over five years of experience specializing in trauma, neuro and stroke care, and chemical dependency. She is known for delivering high-quality, compassionate, patient-centered care while communicating clearly with patients and their families. He...Click to read more
Next available: today
Nurse Practitioner
5.00
·27 reviews
Very friendly and welcoming!! - Jun 18, 2026 by Jacob B.Click to read more
14 mi · 2075 W Warner Rd, Ste 1, Chandler, AZ 85224
In-network · Medicare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in high cholesterol + 5 more ·
Read bio
Debbie Page is a Family Nurse Practitioner who believes that patient care should be a provider’s first priority. She understands the importance of health and well-being, making this and disease prevention a significant part of every visit. She has experience with, and a passion for, Women’s Health. ...Click to read more
Next available: tomorrow
Family Nurse Practitioner
4.91
·107 reviews
Amazing!!! So blessed I’ve found a great primary care doctor - Dec 6, 2023 by Lauren T.Click to read more
14 mi · 3815 E Bell Rd, Ste 4100, Phoenix, AZ 85032
In-network · Medicare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time · Expertise in diabetic emergency + 9 more ·
Read bio
Sorana “Liana” Pop is a Board Certified Family Nurse Practitioner through the American Academy of Nurse Practitioners. She earned her Master of Science in Family Nursing from the University of Phoenix. Before pursuing her Master of Science in Nursing, she worked as a Neonatal Intensive Care Unit Reg...Click to read more
Next available: tomorrow
Family Nurse Practitioner
5.00
·1 review
It was ok i did way a couple of minutes every one was very kind thank you for every thing - Jun 16, 2026 by Jorge P.Click to read more
11 mi · 9150 W Indian School Rd Bldg #5, Ste 118, Phoenix, AZ 85037
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
My name is Tammie Perez, I am a dedicated, experience, compassionate, patient advocate, who loves educating patients. I have been in healthcare for 38 years, the last 19 years as a Family Nurse Practitioner. I started out as a medical assistant, then continued my Education one step at a time becomin...Click to read more
Next available: Thu, Nov 12
Family Nurse Practitioner
4.40
·5 reviews
14 mi · 2075 W Warner Rd, Ste 1, Chandler, AZ 85224
In-network · Medicare
Accepting new patients ·
Read bio
Ms. Valerie Macpherson-Collins is a compassionate and skilled family nurse practitioner. She sees patients at Affinity Family Medicine in Chandler, AZ. Ms. Macpherson-Collins provides precise diagnoses and personalized treatment plans for a range of conditions. She also educates patients on the bes...Click to read more
Next available: Wed, Nov 4
Physician Assistant
17 mi · 17300 N Perimeter Dr, Ste 150, Scottsdale, AZ 85255
In-network · Medicare
Accepting new patients · Expertise in joint problems + 4 more ·
Read bio
Mr. Jeffrey Keil is a physician assistant who sees patients at Integrated Orthopedics in Scottsdale, AZ. He provides care for individuals seeking orthopedic support, making time to discuss their concerns, symptoms, and goals. Patients can describe how their condition affects movement and daily acti...Click to read more
Next available: tomorrow
Nurse Practitioner
4.53
·17 reviews
The visit went well. Very clear & concise reviewing symptoms and next steps. - May 14, 2026Click to read more
17.5 mi · 2855 E Brown Rd, Ste 20, Mesa, AZ 85213
In-network · Medicare
Also offers video visits · Accepting new patients ·
Read bio
Ampili Umayamma, DNP, AGNP-C, RN is a doctorally prepared Adult-Gerontology Nurse Practitioner with over 20 years of direct patient care experience and 7 years of experience as a nurse practitioner. She provides comprehensive primary and internal medicine care to adult and geriatric patients, focusi...Click to read more
Next available: today
Physician Assistant
15.5 mi · 255 S Dobson Rd, Ste 1, Chandler, AZ 85224
In-network · Medicare
Accepting new patients · Expertise in chronic kidney disease ·
Read bio
Zsuzsanna has lived in Arizona most of her life, she graduated from the University of Nevada, Reno with a degree in Biology in 2004. She then went on to pursue her Master's degree in Physician Assistant studies at A.T. Still University in Mesa, Arizona graduating in 2009. Zsuzsanna has been in the F...Click to read more
Next available: Sat, Nov 7
Nurse Practitioner (Cardiology)
15.5 mi · 485 South Dobson Rd, Ste 203, Chandler, AZ 85224
In-network · Medicare
Accepting new patients
Next available: Tue, Nov 10
Adult Psychiatric & Mental Health Nurse Practitioner
4.75
·12 reviews
I will go back there going there again and again. Provider is very knowledgeable and very professional. by ITClick to read more
16.5 mi · 2990 N Litchfield Rd, Ste #5, Goodyear, AZ 85395
In-network · Medicare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Dr. Maceline Check, DNP, FNP-C, PMHNP-BC, is a dual board-certified Family Nurse Practitioner and Psychiatric Mental Health Nurse Practitioner with a diverse background in psychiatric care, primary care, emergency response, and medical-surgical nursing. With extensive experience caring for patients ...Click to read more
Next available: Fri, Nov 6
Nurse Practitioner (Cardiology)
4.75
·8 reviews
15.5 mi · 1727 W Frye Rd, Ste 200, Chandler, AZ 85224
In-network · Medicare
Accepting new patients
Next available: Fri, Nov 20
Family Nurse Practitioner
5.00
·2 reviews
21 mi · 2680 S. Val Vista Dr Bldg 9, Ste 147, Gilbert, AZ 85295
In-network · Medicare
Also offers video visits · Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Ms. Sandra Crawford is a compassionate and dedicated board-certified Family Nurse Practitioner with more than 20 years of healthcare experience. She began her career in healthcare as a Certified Nursing Assistant and continued her education and training to become a Licensed Practical Nurse, Register...Click to read more
Next available: tomorrow
Family Nurse Practitioner
4.00
·3 reviews
Viri is amazing. She listens to my concerns and helps build me a plan of attack to make my health as optimal as possible. Viri thank you for all you do for myself and our family. Queen creek is lucky to have you n the team. by KRClick to read more
29 mi · 20713 E Ocotillo Rd, Ste 100, Queen Creek, AZ 85142
In-network · Medicare
Accepting new patients · Excellent wait time ·
Read bio
Viri Caraveo is a Family Nurse Practitioner at Queen Creek Health Center who is passionate about providing compassionate, personalized, and comprehensive care to patients and families. Viri earned her Bachelor of Science in Nursing from Arizona State University in 2018 and completed her Master of S...Click to read more
Next available: today
Family Nurse Practitioner
4.91
·44 reviews
Very clean place, very kind staff and nurse Rhonda was very informative and helpful - Aug 11, 2026 by Tabatha G.Click to read more
26 mi · 2919 S Ellsworth Rd, Ste 139, Mesa, AZ 85212
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Rhonda Creegan is a board certified nurse practitioner with 13 years of experience as a registered nurse in skilled nursing and oncology, including leadership experience as a Director of Nursing. Her career has been grounded in compassionate, patient-centered care, strong clinical judgment, and a co...Click to read more
Next available: tomorrow
Nurse Practitioner (Virtual)
4.49
·117 reviews
Sort of laid back office. Not too busy. Think that NP listened a will follow up. Hope she stays there. - Nov 30, 2024 by Lucy F.Click to read more
Buckeye, AZ
In-network · Medicare
Accepting new patients · Offers video visits ·
Read bio
Centra Internal Medicine is a primary care practice. While our providers are not specialists, we can evaluate and treat many specialty-related concerns within the scope of primary care and will provide referrals to specialists when appropriate. Please note that we have a $25 cancellation and no-sho...Click to read more
Next available: today
Physician Assistant
4.93
·14 reviews
PA was concerned about doing something beyond her knowledge.Click to read more
29.5 mi · 750 S Ironwood Dr, Ste 101, Apache Junction, AZ 85120
In-network · Medicare
Accepting new patients · Highly recommended · Excellent wait time ·
Read bio
Gabriela Lien is a board certified Physician Assistant who is passionate about helping patients navigate their own journey to optimal health through individualized, patient-centered care and shared decision-making. An Arizona native, she graduated with honors from The University of Arizona with a B...Click to read more
Next available: tomorrow
Cardiologist (Virtual)
3.88
·16 reviews
100% good. by BSClick to read more
Bullhead City, AZ
In-network · Medicare
Accepting new patients · 25+ years of experience · Offers video visits · Expertise in heart failure + 3 more ·
Read bio
I am a retired interventional cardiologist finishing my career as a private practice general outpatient cardiologist. I earned my Doctor of Medicine from the Jacobs School of Medicine and Biomedical Sciences. I completed my internship and residency in Internal Medicine at Dartmouth Hitchcock Medical...Click to read more
Adult Psychiatric & Mental Health Nurse Practitioner (Virtual)
4.89
·57 reviews
The Dr was great, friendly, knowledgeable and answered all of my questions! Highly recommend ?? - Sep 27, 2024 by Rebecca K.Click to read more
Supai, AZ
In-network · Medicare
Accepting new patients · Offers video visits · Highly recommended · Excellent wait time ·
Read bio
Through active listening and thoughtful questioning, I deliver high-quality care that incorporates the most recent advancements in medicine. I have worked as an infectious disease provider in both acute care hospitals and outpatient settings to address all your infectious disease needs. This experie...Click to read more
Next available: Thu, Nov 5
Cardiologist
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patientsExpertise in high cholesterol + 4 more
Cardiologist
4.33
·6 reviews
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patients · Expertise in percutaneous cardiac intervention + 1 more ·
Read bio
To help people achieve health for life.Click to read more
Cardiologist
2.5 mi · 3141 N 3rd Ave, Ste B-140, Phoenix, AZ 85013
In-network · Medicare
Accepting new patients · 25+ years of experience ·
Calendar Check
1-3 days

Average time it takes to be seen by a provider

Doctor
100k

Verified providers with a 4.8 average rating

Primary Care Physician
15+ years

In the business of finding quality care for patients

Patients trust Zocdoc
Zocdoc is great! Please consider using this you won't regret it. I was very, very pleased with my visit my future PCP was great!
Tracy S
Thanks Zocdoc! You have been a lifesaver. I was able to find some of the best doctors. This app makes looking for quality care a lot easier.
Michael L
I was very pleased with everything about my appt. Super nice staff. Short wait. Another Zocdoc success!
Marielle A
National Public Radio
New York Times
Yahoo
Self.com
Verge
Wall Street Journal
Frequently asked questions

How can I make a same-day appointment with a Cardiologist in Phoenix who takes Medicare insurance?

On average, patients who use Zocdoc can search for a Cardiologist in Phoenix who takes Medicare insurance, book an appointment, and see the Cardiologist within 24 hours. Same-day appointments are often available, you can search for real-time availability of Cardiologists in Phoenix who accept Medicare insurance and make an appointment online.


How can I find a Cardiologist in Phoenix who takes Medicare?

Zocdoc lets you search specifically for a Cardiologist in Phoenix who takes Medicare. Just choose your carrier and plan from the drop-down menu at the top of the page. If you’re not sure which plan you have, you can use Zocdoc’s insurance checker to find out.


How can I book an appointment online with a Medicare Cardiologist in Phoenix?

Zocdoc is a free online service that helps patients find Medicare Cardiologists in Phoenix and book appointments instantly. You can search for Medicare Cardiologists in Phoenix by symptom or visit reason. Based on that information, you’ll see a list of providers who meet your search criteria, along with their available appointment slots.


How can I find a female Cardiologist in Phoenix who takes Medicare insurance?

When you search for Medicare Cardiologists in Phoenix on Zocdoc, you can filter your results by gender, in addition to other criteria. That way, you’ll only see Medicare Cardiologists in Phoenix who match your preferences.


How can I find a Medicare Cardiologist in Phoenix who sees patients after hours?

On Zocdoc, you can search specifically for Medicare Cardiologists in Phoenix with availability after 5 p.m.


How can I find a top-rated Medicare Cardiologist in Phoenix?

You can use Zocdoc to find Medicare Cardiologists in Phoenix who are highly rated by other patients. These ratings are based on verified reviews submitted by real patients. Every time a patient completes an appointment booked on Zocdoc, they’re invited to review their experience. Each review must comply with Zocdoc’s guidelines.


How can I find a video visit with a Cardiologist online in Phoenix?

Cardiologists in Phoenix on Zocdoc who see patients through online video visits will have a purple video icon on their profiles. You can also filter your search results to show only Cardiologists who offer video visits.


Are video visits with a Cardiologist online covered by Medicare?

Most insurers provide coverage for video visits at the same cost as in-person visits. You can search on Zocdoc specifically for Cardiologists in Phoenix who accept Medicare for video visits by selecting your carrier and plan from the drop-down menu at the top of the page. We recommend you check with your insurance carrier directly to confirm your coverage and out of pocket costs for video visits.


How can I find a Medicare Cardiologist in Phoenix who sees patients in the morning or evening?

Zocdoc lets you search specifically for a Cardiologist who has appointments available before 10:00 am, or after 5:00 pm. Just choose the special hours filter at the top of our search page.


How can I find a Medicare Cardiologist in Phoenix who sees patients during the weekend?

Zocdoc let's you see real-time availability for Medicare Cardiologists in Phoenix. Many Medicare Cardiologists offer appointments on Saturdays and Sundays.