Donna Zwas, M.D.
NPI 1346260189 · Internal Medicine Physician · Philadelphia, PA
Donna Zwas, M.D. is a Internal Medicine Physician provider in Philadelphia, PA (NPI 1346260189).
Provider details
- NPI number
- 1346260189
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- MD071926L (PA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-07-21
- Last updated
- 2025-09-11
Frequently asked questions
- What is Donna Zwas's NPI number?
- Donna Zwas's National Provider Identifier (NPI) is 1346260189, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Donna Zwas's specialty?
- Donna Zwas is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Donna Zwas located?
- Donna Zwas's practice location on file with NPPES is 925 Chestnut St, Philadelphia, PA 19107-4216.
- What is Donna Zwas's phone number?
- The practice phone number listed in the NPPES registry for Donna Zwas is (215) 955-5050.
- Is Donna Zwas's NPI active?
- Yes — Donna Zwas's NPI (1346260189) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.