Jonathan Himmelfarb, M.D.
NPI 1275533903 · Nephrology Physician · New York, NY
Enrolled with Medicare as Practitioner - Nephrology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jonathan Himmelfarb, M.D. is a Nephrology Physician provider in New York, NY (NPI 1275533903).
Provider details
- NPI number
- 1275533903
- Entity type
- Individual
- Primary specialty
- Nephrology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 332523 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 325 9th AveSeattle, WA 98104-2420Phone: (206) 744-8998Fax: (207) 761-4433
Registry dates
- Enumerated
- 2005-07-22
- Last updated
- 2024-11-11
- Certified
- 2024-11-11
Frequently asked questions
- What is Jonathan Himmelfarb's NPI number?
- Jonathan Himmelfarb's National Provider Identifier (NPI) is 1275533903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jonathan Himmelfarb's specialty?
- Jonathan Himmelfarb is listed in the NPPES registry with a primary specialty of Nephrology Physician (Allopathic & Osteopathic Physicians).
- Where is Jonathan Himmelfarb located?
- Jonathan Himmelfarb's practice location on file with NPPES is 1 Gustave L Levy Pl, New York, NY 10029-6504.
- What is Jonathan Himmelfarb's phone number?
- The practice phone number listed in the NPPES registry for Jonathan Himmelfarb is (212) 987-7208.
- Does Jonathan Himmelfarb accept Medicare?
- Jonathan Himmelfarb is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jonathan Himmelfarb's NPI active?
- Yes — Jonathan Himmelfarb's NPI (1275533903) is active in the NPPES registry as of the last update on 2024-11-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.