Karen Zimmer, MD
NPI 1720016322 · Pediatrics Physician · Philadelphia, PA
Karen Zimmer, MD is a Pediatrics Physician provider in Philadelphia, PA (NPI 1720016322).
Provider details
- NPI number
- 1720016322
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- D56990 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2006-06-30
- Last updated
- 2011-10-05
Frequently asked questions
- What is Karen Zimmer's NPI number?
- Karen Zimmer's National Provider Identifier (NPI) is 1720016322, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Zimmer's specialty?
- Karen Zimmer is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Zimmer located?
- Karen Zimmer's practice location on file with NPPES is 833 Chestnut Street, Philadelphia, PA 19107-4405.
- What is Karen Zimmer's phone number?
- The practice phone number listed in the NPPES registry for Karen Zimmer is (215) 955-7800.
- Is Karen Zimmer's NPI active?
- Yes — Karen Zimmer's NPI (1720016322) is active in the NPPES registry as of the last update on 2011-10-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.