Dr. Mark Koshar, MD

Dr. Mark Koshar, MD

Internist
3735 Nazareth Rd, Ste 301, Easton, PA
5.00
“My experience was very nice! The front desk and Dr. Koshar were respectful, knowledgeable and personable! Would highly recommend!”
Initials hiddenAugust 8, 2025
Highly recommended
100% of patients gave this doctor 5 stars
Excellent wait time
100% of patients waited less than 30 minutes
New patient appointments
Appointments available for new patients on Zocdoc

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What patients are saying

Overall rating

5.00

Average wait time

5.00

Bedside manner

5.00
“My experience was very nice! The front desk and Dr. Koshar were respectful, knowledgeable and personable! Would highly recommend!”
Initials hiddenAugust 8, 2025
“Everyone was so kind and understanding. Dr. Koshar listened to my concerns and emphasized with me. I will definitely be seeing him again.”
Victoria R.July 28, 2025

About Dr. Mark Koshar

An experienced internist and primary care doctor, Dr. Mark Koshar offers his services at Lehigh Valley Health Network-Primary Care in Easton, PA. He treats acne, food allergies, migraines, vertigo, and other common ailments. Dr. Koshar earned his medical degree from Rutgers, The State University of New Jersey, and completed an internship and residency in internal medicine at Thomas Jefferson University Hospital. He is certified by the American Board of Internal Medicine. Dr. Koshar's long professional experience has shaped him into an able and empathetic healer. Patients find his warm yet professional manner very reassuring.

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In-network insurances

99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Medicare
UnitedHealthcare
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Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
High cholesterol
Atrial fibrillation and atrial flutter
Chronic diabetes
Coronary Artery Disease
Acid reflux
Osteoporosis
High cholesterol
Atrial fibrillation and atrial flutter
Chronic diabetes
Coronary Artery Disease

Office location

LVPG Primary Care
3735 Nazareth Rd, Ste 301, Easton, PA 18045

Education and background

Practice names

Board certifications

  • American Board of Internal Medicine

Education and training

  • Medical School - Rutgers, The State University of New Jersey, Doctor of Medicine
  • Thomas Jefferson University Hospital, Internship in Internal Medicine
  • Thomas Jefferson University Hospital, Residency in Internal Medicine

Languages spoken

  • English

Provider's gender

Male

NPI number

1538161963

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
5.00
Wait time
5.00
Bedside manner
5.00
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9 reviews
Most relevant
My experience was very nice! The front desk and Dr. Koshar were respectful, knowledgeable and personable! Would highly recommend!
Everyone was so kind and understanding. Dr. Koshar listened to my concerns and emphasized with me. I will definitely be seeing him again.
Verified patient
Verified patient
Verified patient
Verified patient
Verified patient
Verified patient
Frequently asked questions

How soon can I make an appointment with Dr. Mark Koshar?

Generally, Dr. Mark Koshar has appointments available on Zocdoc within 1 week. You can see Dr. Koshar's earliest availability on Zocdoc and make an appointment online.

Is Dr. Mark Koshar accepting new patients?

Dr. Mark Koshar generally accepts new patients on Zocdoc. You can see Dr. Koshar's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Mark Koshar accept my insurance?

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Can I make an appointment with Dr. Mark Koshar online?

Yes, you can make an appointment online with Dr. Koshar using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Mark Koshar work with?

Where is Dr. Mark Koshar's office located?

Dr. Mark Koshar's office is located at 3735 Nazareth Rd, Easton, PA 18045.

Which board certifications does Dr. Mark Koshar have?

Dr. Mark Koshar is certified by American Board of Internal Medicine.

What are common reasons for patients to see Dr. Mark Koshar?

Dr. Mark Koshar frequently sees patients for Allergy Consultation, Annual Physical, Arthritis, Foot Consultation, and Illness. You can see other visit reasons for Dr. Mark Koshar on their profile.

What languages does Dr. Mark Koshar speak?

Dr. Mark Koshar speaks English.

How do patients rate Dr. Mark Koshar in reviews?

9 patients have reviewed Dr. Mark Koshar. The overall rating for this doctor is 5/5. They have a 5/5 rating for bedside manner and a 5/5 rating for wait time. You can read individual reviews and ratings on their profile.

ZocdocPhiladelphia, PA InternistsDr. Mark Koshar, MD