Harvey Katzeff, M.D.
NPI 1346416187 · Endocrinology, Diabetes & Metabolism Physician · Mahopac, NY
Enrolled with Medicare as Practitioner - Endocrinology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Harvey Katzeff, M.D. is a Endocrinology, Diabetes & Metabolism Physician provider in Mahopac, NY (NPI 1346416187).
Provider details
- NPI number
- 1346416187
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 150143 (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
18 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
- 2008-05-01
- Last updated
- 2022-11-21
- Certified
- 2022-04-12
Frequently asked questions
- What is Harvey Katzeff's NPI number?
- Harvey Katzeff's National Provider Identifier (NPI) is 1346416187, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Harvey Katzeff's specialty?
- Harvey Katzeff is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Harvey Katzeff located?
- Harvey Katzeff's practice location on file with NPPES is 44 Jackson Rd, Mahopac, NY 10541-3116.
- What is Harvey Katzeff's phone number?
- The practice phone number listed in the NPPES registry for Harvey Katzeff is (914) 262-7900.
- Does Harvey Katzeff accept Medicare?
- Harvey Katzeff is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Harvey Katzeff's NPI active?
- Yes — Harvey Katzeff's NPI (1346416187) is active in the NPPES registry as of the last update on 2022-11-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.