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DR. DONNA R. ZWAS M.D.
NPI 1346260189
Internal Medicine in Philadelphia, PA

Active since July 21, 2006
925 CHESTNUT ST, PHILADELPHIA, PA 19107(215) 955-5050(215) 955-7499 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Donna R. Zwas M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DONNA R. ZWAS M.D. (NPI 1346260189) is an individual internal medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD071926L) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1346260189
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. DONNA R. ZWASCredential: M.D.
Location Address925 CHESTNUT STPhiladelphia, PA 19107-4216
Mailing Address615 Chestnut St, 14th FloorPhiladelphia, PA 19106-4404 · (215) 955-1175 · Fax (215) 955-2420
Phone(215) 955-5050
Fax(215) 955-7499
Sole ProprietorNo
Enumeration DateJuly 21, 2006
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1346260189 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in PA · MD071926L
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License MD071926L (PA)
925 CHESTNUT ST, Philadelphia, PA 19107
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. MATTHEW DECARO M.D.
Internal Medicine (Cardiovascular Disease)
925 CHESTNUT ST, MEZZANINE
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-5050
DR. MANISH SHARMA MD
Internal Medicine (Medical Oncology)
925 CHESTNUT ST, SUITE 320A
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-8874
MS. ELEANOR LYNN VANDERKLOK CRNP
Nurse Practitioner (Adult Health)
925 CHESTNUT ST, SUITE 320A
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-8874
LEANNE MCKEOWN PA-C
Physician Assistant
925 CHESTNUT ST, FIFTH FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (267) 339-3500
WILLIAM KEVIN KELLY DO
Internal Medicine (Medical Oncology)
925 CHESTNUT ST, SUITE 320A
PHILADELPHIA, PA 19107
Philadelphia County (215) 995-8874
DR. MARC R. ROSEN M.D.
Otolaryngology
925 CHESTNUT ST, 6TH FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-6760
ANDREW B NEWBERG MD
Nuclear Medicine
925 CHESTNUT ST, SUITE 120
PHILADELPHIA, PA 19107
Philadelphia County (215) 503-3422
DR. HOWARD H. WEITZ M.D.
Internal Medicine (Cardiovascular Disease)
925 CHESTNUT ST, MEZZANINE FLOOR
PHILADELPHIA, PA 19107
Philadelphia County (215) 955-5050

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Donna Zwas's NPI number?

The NPI number for Donna Zwas is 1346260189. It was assigned to this individual provider in the NPPES registry on July 21, 2006.

Where is Donna Zwas located?

Donna Zwas practices at 925 Chestnut St, Philadelphia, PA 19107. The listed phone number is (215) 955-5050.

What is Donna Zwas's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Donna Zwas was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.