What patients are saying
Overall rating
4.96
Average wait time
4.88
Bedside manner
4.94
“Absolutely pleasant experience! Marcus took all the time to answer all of my questions and has the best bedside manner I’ve ever experienced.
I can’t recommend Marcus and this clinic enough. ”
Alan W.February 23, 2026
“I was immediately set at ease by the staff and physician. Everyone is very nice. Everything was thorough and explained well. I was in and out quickly.”
Melissa K.January 16, 2026
About Marcus Webb
Marcus Webb is an Arizona native and a graduate of Arizona State University with a bachelors degree in Health and Wellness Promotion. He then went on to earn his Master of Science degree in Physician Assistant Studies at Harding University, Arkansas. During his professional training, dermatology not only became a favorite rotation, but also a clear career choice. He is committed to providing excellent care to keep your skin healthy, happy, and cancer free. He specializes in the diagnosis, treatment, and management of all skin, hair, and nail disorders, and the prevention of skin cancer in all age groups. Marcus is a member of both the American Academy of Physician Assistants and the Society of Dermatology Physician Assistants. He is passionate about helping patients achieve healthy skin through individualized treatment plans and patient education. Marcus moved to Colorado, excited to be closer to family and enjoy all the great outdoor activities offered. He is a proud Eagle Scout and loves reading, drawing, and staying active.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
UnitedHealthcare
UnitedHealthcare Oxford
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Benign or precancerous skin growths
Shingles
Allergic skin reaction with hives
Joint cyst
Psoriasis
Acute skin infection
Benign or precancerous skin growths
Shingles
Allergic skin reaction with hives
Joint cyst
Office locations
1 of 3
Education and background
Practice names
Board certifications
- National Commission on Certification of Physician Assistants
Education and training
- Harding University, Master's in Physician Assistant Studies
- Arizona State University (Bachelor's)
Professional memberships
- American Academy of Physician Assistants
Languages spoken
- English
Provider's gender
Male
NPI number
1184034522
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.96
Wait time
4.88
Bedside manner
4.94
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23 reviews
Most relevant
Marcus and his staff provided exceptional care. Fit me in same day and genuinely cared about any of my concerns.
October 31, 2025Jonathan E.Verified patient
He was very friendly and got right to business did an excellent job as far as I know.
September 6, 2025Steven I.Verified patient
Dr Webb, very personable and professional. Took care of my concerns.
November 5, 2025Clarine T.Verified patient
Absolutely pleasant experience! Marcus took all the time to answer all of my questions and has the best bedside manner I’ve ever experienced.
I can’t recommend Marcus and this clinic enough.
February 23, 2026Alan W.Verified patient
I was immediately set at ease by the staff and physician. Everyone is very nice. Everything was thorough and explained well. I was in and out quickly.
January 16, 2026Melissa K.Verified patient
Amazing Dr. And facility.
January 14, 2026Initials hidden
Contacted my PCP and asked for a referral to a podiatrist in Greeley that would accept Medicare, they came back with Castle Dermatology and Dr. Webb. Made appointment and was seen within a couple days.
July 3, 2025Marvin R.Verified patient
February 25, 2026Zachariah H.Verified patient
February 3, 2026Gibson M.Verified patient
January 12, 2026John D.Verified patient
Less than 3 months agoInitials hidden
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November 5, 2025Dennis H.Verified patient
Less than 1 year agoInitials hiddenSource: Partner
Less than 1 year agoInitials hiddenSource: Partner
Less than 1 year agoInitials hiddenSource: Partner
Less than 1 year agoInitials hiddenSource: Partner
Less than 1 year agoInitials hiddenSource: Partner
Less than 1 year agoInitials hiddenSource: Partner
Less than 1 year agoInitials hiddenSource: Partner
April 22, 2025Hind A.Verified patient
January 11, 2025Delfino T.Verified patient
October 14, 2024Joshua L.Verified patient
How soon can I make an appointment with Marcus Webb?
Generally, Marcus Webb has appointments available on Zocdoc within 1 week. You can see Marcus Webb's earliest availability on Zocdoc and make an appointment online.
Is Marcus Webb accepting new patients?
Marcus Webb generally accepts new patients on Zocdoc. You can see Marcus Webb's earliest availability on Zocdoc and schedule an appointment online.
Does Marcus Webb accept my insurance?
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Can I make an appointment with Marcus Webb online?
Yes, you can make an appointment online with Marcus Webb using Zocdoc. It’s simple, secure, and free.
What practice does Marcus Webb work with?
Marcus Webb works with Castle, Part of Cara Mia Dermatology.
Where is Marcus Webb's office located?
Marcus Webb has 3 office locations, including in Sterling, Greeley, and Fort Morgan, view full addresses on Marcus Webb's profile.
Which board certifications does Marcus Webb have?
Marcus Webb is certified by National Commission on Certification of Physician Assistants.
What are common reasons for patients to see Marcus Webb?
Marcus Webb frequently sees patients for Acne, Annual Skin Screening, Dermatology Consultation, Hair Loss, and Rash. You can see other visit reasons for Marcus Webb on their profile.
What languages does Marcus Webb speak?
Marcus Webb speaks English.
How do patients rate Marcus Webb in reviews?
23 patients have reviewed Marcus Webb. The overall rating for this doctor is 4.96/5. They have a 4.94/5 rating for bedside manner and a 4.88/5 rating for wait time. You can read individual reviews and ratings on their profile.