Harvey Lee Katzeff, M.D.
Endocrinology, Diabetes & Metabolism Physician · Mahopac, NY
Harvey Lee Katzeff, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in Mahopac, New York, and NPI 1346416187, issued on May 1, 2008. Check the license (New York 150143, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Harvey Lee Katzeff
- Credential
- M.D.
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 150143 NY
Self-reported in NPPES; status is on the state search - Practice location
- 44 Jackson RD, Mahopac, NY 10541
- Phone
- (914) 262-7900
- Enumerated
- May 1, 2008
- Record last updated
- Nov 21, 2022
- Fax
- (925) 307-5216
- Medicare enrollment
- Enrolled (PECOS I20040322000267); may accept Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 1976
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Verify Harvey Lee Katzeff in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 150143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
17 Medicare Part D claims, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Harvey Lee Katzeff among 970 endocrinology, diabetes & metabolism physician records in New York
Harvey Lee Katzeff, M.D. is one of 970 endocrinology, diabetes & metabolism physician records with a practice address in New York. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 51% of them.
- NPI issued2008 · 51% of these records are older, 43% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated1976 · median 2004 among the 694 with a school on file
- Record last updated2022 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in New York
There are 970 endocrinology, diabetes & metabolism physician records in New York.
All 970 in New York → Every provider in Mahopac → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Rita Landman, M.D.Katonah, NY 105361346261898
- Eric Rudin, M.D.Katonah, NY 105361801858196
- Edward Socolow, M.D.Katonah, NY 105361225099211
- Chee-Yeung Chan, MDMount Kisco, NY 105491306899745
- Dara Cohen, M.D.Mount Kisco, NY 105491881881399
- Jeffrey Powell, MDMount Kisco, NY 105491962459974
- Maryam Bojarian, MDHawthorne, NY 105321568924736
- Erika Brutsaert, M.D.Hawthorne, NY 105321356501134
Common questions
What is Harvey Lee Katzeff, M.D.'s NPI number?
Harvey Lee Katzeff, M.D.'s National Provider Identifier (NPI) is 1346416187, issued on May 1, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Harvey Lee Katzeff, M.D. located?
The NPPES record lists a practice address at 44 Jackson RD, Mahopac, NY, 10541. Phone: (914) 262-7900. Providers update this record themselves, so call before visiting.
How can I verify Harvey Lee Katzeff, M.D.'s license?
NPPES lists New York license number 150143, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Harvey Lee Katzeff, M.D. prescribe under Medicare Part D?
In 2024, Harvey Lee Katzeff, M.D. had 17 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.