Peter Gelfand, DO
NPI 1639252299 · Internal Medicine Physician · Hicksville, NY
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Peter Gelfand, DO is a Internal Medicine Physician provider in Hicksville, NY (NPI 1639252299).
Provider details
- NPI number
- 1639252299
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- 1992861 (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
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
- 2006-10-24
- Last updated
- 2022-09-20
- Certified
- 2022-09-20
Frequently asked questions
- What is Peter Gelfand's NPI number?
- Peter Gelfand's National Provider Identifier (NPI) is 1639252299, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Peter Gelfand's specialty?
- Peter Gelfand is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Peter Gelfand located?
- Peter Gelfand's practice location on file with NPPES is 180 Broadway, Hicksville, NY 11801-4230.
- What is Peter Gelfand's phone number?
- The practice phone number listed in the NPPES registry for Peter Gelfand is (516) 935-6858.
- Does Peter Gelfand accept Medicare?
- Peter Gelfand is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Peter Gelfand's NPI active?
- Yes — Peter Gelfand's NPI (1639252299) is active in the NPPES registry as of the last update on 2022-09-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.