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

Dr. Gerald A. Isenberg, MD

Individual provider Surgery Physician · NPI 1821018532

Dr. Gerald A. Isenberg, MD is a Colorectal Surgery (Proctology) in Paoli, Pennsylvania. Graduated from Icahn School of Medicine at Mount Sinai in 1982, 44 years ago. Practices with Jefferson University Physicians, a 1,554-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
44
Trained at
Icahn School of Medicine at Mount Sinai
Licensed in
PA
In the registry since
2006
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

255 W Lancaster Ave Ste 332
Paoli, PA 19301-1766
Phone: (610) 647-3077
Fax: (610) 993-0668
Show map & directions

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

Additional practice locations (1)

  • 1100 Walnut St, Philadelphia, PA 19107-5563 — (215) 955-5869

Specialties & licences

Colon & Rectal Surgery Physician (primary) Taxonomy 208C00000X · Licence MD037695E (PA)
Surgery Physician Taxonomy 208600000X · Licence MD037695E (PA)

Record details

NPI number1821018532
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 19, 2006
Last updated in NPPESApril 16, 2026
Certification dateApril 16, 2026

Medicare enrollment

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

Medicare specialtyCOLORECTAL SURGERY (PROCTOLOGY)
Medical schoolICAHN SCHOOL OF MEDICINE AT MOUNT SINAI
Graduated 1982 (44 years in practice)
Group practice Jefferson University Physicians — 1554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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