Jill Brett Feffer, MD
Endocrinology, Diabetes & Metabolism Physician · Elmhurst, NY
Jill Brett Feffer, MD is an endocrinology, diabetes & metabolism physician with a practice address in Elmhurst, New York, and NPI 1588906267, issued on Mar 20, 2013. Check the license (New York 276609, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Jill Brett Feffer
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- 276609 NY
Self-reported in NPPES; status is on the state search - Practice location
- 7901 Broadway, Elmhurst, NY 11373
- Phone
- (718) 334-3951
- Enumerated
- Mar 20, 2013
- Record last updated
- Jun 30, 2025
- Medicare enrollment
- Enrolled (PECOS I20181129000660); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →
Also registered at 7901 Broadway
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Nada Abdelnaem, MDStudent in an Organized Health Care Education/Training Program1336081793
- Reham Abdelsayed, MDStudent in an Organized Health Care Education/Training Program1629863808
- Amr AbdouStudent in an Organized Health Care Education/Training Program1356086409
Verify Jill Brett Feffer 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 276609Check 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
31 Medicare Part D claims for 21 beneficiaries, 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiElmhurst, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jill Brett Feffer among 970 endocrinology, diabetes & metabolism physician records in New York
Jill Brett Feffer, MD 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 2013, is newer than 71% of them.
- NPI issued2013 · 71% of these records are older, 25% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 72% of these records are
- Graduated2013 · median 2004 among the 694 with a school on file
- Record last updated2025 · 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 Elmhurst → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Rosemaria Alappat, D.O.,MBA.Elmhurst, NY 113731972832087
- Carlos Arevalo, M.D.Elmhurst, NY 113731063487908
- Andrea Delgado Nieves, MDElmhurst, NY 113731659871770
- Linda Deluxe, M.D.Elmhurst, NY 113731356438105
- Nancy Tarlin, M.D.Elmhurst, NY 113731063426641
- Maria Anton, M.D.Rego Park, NY 113741962812529
- Nuzhat Faridi, MDJackson Heights, NY 113721992876346
- Stella Ilyayeva, MDRego Park, NY 113741619082625
Common questions
What is Jill Brett Feffer, MD's NPI number?
Jill Brett Feffer, MD's National Provider Identifier (NPI) is 1588906267, issued on Mar 20, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Jill Brett Feffer, MD located?
The NPPES record lists a practice address at 7901 Broadway, Elmhurst, NY, 11373. Phone: (718) 334-3951. Providers update this record themselves, so call before visiting.
How can I verify Jill Brett Feffer, MD's license?
NPPES lists New York license number 276609, 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 Jill Brett Feffer, MD prescribe under Medicare Part D?
In 2024, Jill Brett Feffer, MD had 31 Medicare Part D claims for 21 beneficiaries; 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.