HealthCareAtlasUSA

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Doctors / PA

MARK I KOSHAR, MD

INTERNAL MEDICINE

Medical school: RUTGERS NEW JERSEY MEDICAL SCHOOL

Graduated: 1974

Offers telehealth

NPI: 1538161963

Practice Locations (4)

LEHIGH VALLEY PHYSICIAN GROUP

1210 S CEDAR CREST BLVD

ALLENTOWN, PA 181036235

6104023888

LEHIGH VALLEY PHYSICIAN GROUP

2100 MACK BLVD, FL 4

ALLENTOWN, PA 181035622

LEHIGH VALLEY PHYSICIAN GROUP

3735 NAZARETH RD, 301 GEORGE M JOSEPH MD AND ASSOCIATES

EASTON, PA 180458347

6108292200

LEHIGH VALLEY PHYSICIAN GROUP

5649 WYNNEWOOD DR

LAURYS STATION, PA 180591124

Source: CMS National Downloadable File, September 2026.

MARK KOSHAR, MD | HealthCareAtlasUSA