NPPES file of Aug 9, 2026

Lena Fan, M.D.

Endocrinology, Diabetes & Metabolism Physician · New York, NY

Lena Fan, M.D. is an endocrinology, diabetes & metabolism physician with a practice address in New York, New York, and NPI 1831546282, issued on May 16, 2016. Check the license (New York 297576, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1831546282
Name
Lena Fan
Credential
M.D.
Primary taxonomy
Endocrinology, Diabetes & Metabolism Physician 207RE0101X
License numbers
297576 NY
297576-1 NY
LP03657 RI
Self-reported in NPPES; status is on the state search
Practice location
10 Union SQ E, New York, NY 10003
Phone
(212) 420-4070
Enumerated
May 16, 2016
Record last updated
Jun 10, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20210611001020); accepts Medicare assignment
Medical or professional school
Cooper Medical College, 2016
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest endocrinology, diabetes & metabolism physician records → All 970 in New York → Look up another NPI →

Also registered at 10 Union SQ E

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Frida Abramov, PAPhysician Assistant1083833636
  2. Christine Akoh, MD, PHDDermatology Physician1487238184
  3. Akash Alexander, PHARM.D., BCPS, CDEAmbulatory Care Pharmacist1497921506
  4. Shavon Alexander, MS, RDN, CDNRegistered Dietitian1396681847
  5. Julia Alishayev, PA-CPhysician Assistant1710394358
  6. Richard Amerling, MDInternal Medicine Physician1437130317

Verify Lena Fan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
    Search for license 297576    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the New York license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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12% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024

2,306 Medicare Part D claims for 312 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.

  1. Lena Fan2,306
  2. Specialty average2,630

Most prescribed

  1. Levothyroxine Sodium233 claims
  2. Metformin Hcl Er197 claims
  3. Jardiance195 claims
  4. Alendronate Sodium144 claims
  5. Ozempic121 claims
  6. Metformin Hcl104 claims

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.

Industry payments in 2024: $250.00

2 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 5,661 providers of this specialty with any payment received $5,742.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lena Fan$250.00
  2. Specialty average$5,742.15

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Icahn School OF Medicine AT Mount SinaiNew York, NY

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Lena Fan among 970 endocrinology, diabetes & metabolism physician records in New York

Lena Fan, 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 2016, is newer than 81% of them.

  • NPI issued2016 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2016 · median 2004 among the 694 with a school on file
  • Record last updated2021 · 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 New York → Endocrinology, Diabetes & Metabolism Physician nationwide →

The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes

  1. Philip Bukberg, MDNew York, NY 100031164401055
  2. Agustin Busta, MDNew York, NY 100031447248786
  3. Esti Charlap, M.D.New York, NY 100031205063682
  4. Zijian Chen, MDNew York, NY 100031760617906
  5. Terry Davies, MD, FRCPNew York, NY 100031801857578
  6. Adrienne Fleckman, MDNew York, NY 100031033174263
  7. Yuriy Gurevich, D.ONew York, NY 100031336319680
  8. Lisa Newman, MDNew York, NY 100031013060508

Common questions

What is Lena Fan, M.D.'s NPI number?

Lena Fan, M.D.'s National Provider Identifier (NPI) is 1831546282, issued on May 16, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Lena Fan, M.D. located?

The NPPES record lists a practice address at 10 Union SQ E, New York, NY, 10003. Phone: (212) 420-4070. Providers update this record themselves, so call before visiting.

How can I verify Lena Fan, M.D.'s license?

NPPES lists New York license number 297576, 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 Lena Fan, M.D. prescribe under Medicare Part D?

In 2024, Lena Fan, M.D. had 2,306 Medicare Part D claims for 312 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.