Zelda Ghersin, M.D.
NPI 1891100517 · Pediatric Critical Care Medicine Physician · Boston, MA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Zelda Ghersin, M.D. is a Pediatric Critical Care Medicine Physician provider in Boston, MA (NPI 1891100517).
Provider details
- NPI number
- 1891100517
- Entity type
- Individual
- Primary specialty
- Pediatric Critical Care Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- 270662 (MA)
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
11 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
- 2014-06-23
- Last updated
- 2018-01-04
Frequently asked questions
- What is Zelda Ghersin's NPI number?
- Zelda Ghersin's National Provider Identifier (NPI) is 1891100517, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Zelda Ghersin's specialty?
- Zelda Ghersin is listed in the NPPES registry with a primary specialty of Pediatric Critical Care Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Zelda Ghersin located?
- Zelda Ghersin's practice location on file with NPPES is 55 Fruit St, Boston, MA 02114-2621.
- What is Zelda Ghersin's phone number?
- The practice phone number listed in the NPPES registry for Zelda Ghersin is (973) 754-2543.
- Does Zelda Ghersin accept Medicare?
- Zelda Ghersin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Zelda Ghersin's NPI active?
- Yes — Zelda Ghersin's NPI (1891100517) is active in the NPPES registry as of the last update on 2018-01-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.