Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gregory S Alexander, MD

Individual provider Internal Medicine Physician · NPI 1588157895

Gregory S Alexander, MD is a Radiation Oncology in Sewell, New Jersey. Graduated from Jefferson Medical College of Thomas Jefferson University in 2018, 8 years ago. Practices with Jefferson University Physicians, a 1,554-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in New Jersey and Pennsylvania.

Years since qualifying
8
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
NJ, PA
In the registry since
2018
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

900 Medical Center Dr Ste 100
Sewell, NJ 08080-2358
Phone: (856) 582-3008
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 801 Ostrum St, Bethlehem, PA 18015 — (484) 526-4000

Specialties & licences

Radiation Oncology Physician (primary) Taxonomy 2085R0001X · Licence 25MA11912600 (NJ)
Internal Medicine Physician Taxonomy 207R00000X · Licence MT-216131 (PA)

Record details

NPI number1588157895
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2018
Last updated in NPPESJune 15, 2023
Certification dateFebruary 15, 2023
Mailing address801 Ostrum St, Bethlehem, PA 18015-1000

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRADIATION ONCOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2018 (8 years in practice)
Group practice Jefferson University Physicians — 1554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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