NPPES file of Aug 9, 2026

Brian Eiss, M.D.

Geriatric Medicine (Internal Medicine) Physician · New York, NY

Brian Eiss, M.D. is a geriatric medicine (internal medicine) physician with a practice address in New York, New York, and NPI 1629237235, issued on Jun 9, 2008. Check the license (New York 266022, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1629237235
Name
Brian Eiss
Credential
M.D.
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
266022 NY
Self-reported in NPPES; status is on the state search
Practice location
525 E 68TH St, New York, NY 10021
Phone
(212) 746-7000
Enumerated
Jun 9, 2008
Record last updated
Jul 3, 2023
Medicare enrollment
Enrolled (PECOS I20120831000009); accepts Medicare assignment
Medical or professional school
Georgetown University School Of Medicine, 2008
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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Also registered at 525 E 68TH St

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

  1. Josyann Abisaab, MDInternal Medicine Physician1538256623
  2. Sharon Abramovitz, M.D,Anesthesiology Physician1811907173
  3. Regina Alegre-Gomez, CRNACertified Registered Nurse Anesthetist1164584108
  4. Gemma Alquero, P.T.Physical Therapist1760556484
  5. Jeanette Aponte, D.P.TPhysical Therapist1073730388
  6. Alice Arden, ANPAdult Health Nurse Practitioner1609996206

Verify Brian Eiss 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 266022
    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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9% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

3,850 Medicare Part D claims for 497 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 61 claims were for opioids.

  1. Brian Eiss3,850
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium269 claims
  2. Amlodipine Besylate178 claims
  3. Losartan Potassium113 claims
  4. Levothyroxine Sodium93 claims
  5. Metoprolol Succinate89 claims
  6. Rosuvastatin Calcium87 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.

The MIPS final score for 2023 (Medicare payment program): 100 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score86.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Bills Medicare through one group practice

  1. Weill Medical College OF CornellNew York, NY

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

Brian Eiss among 508 geriatric medicine (internal medicine) physician records in New York

Brian Eiss, M.D. is one of 508 geriatric medicine (internal medicine) physician records with a practice address in New York. 75% 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 67% of them.

  • NPI issued2008 · 67% of these records are older, 28% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 54% of these records are
  • Graduated2008 · median 1998 among the 272 with a school on file
  • Record last updated2023 · 68% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in New York

There are 508 geriatric medicine (internal medicine) physician records in New York.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Heather Cereste, M.D.New York, NY 100211972572725
  2. Emily Coskun, MDNew York, NY 100211659876357
  3. Mark Lachs, MDNew York, NY 100211902993082
  4. Veronica Lofaso, MDNew York, NY 100211093802183
  5. Deirdre Mole, RNNew York, NY 100211720175896
  6. Manney Reid, MD, PHDNew York, NY 100211053408138
  7. Xiaoshuang Yin, MDNew York, NY 100211902939432
  8. Howard Fillit, MDNew York, NY 100221689770141

Common questions

What is Brian Eiss, M.D.'s NPI number?

Brian Eiss, M.D.'s National Provider Identifier (NPI) is 1629237235, issued on Jun 9, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Brian Eiss, M.D. located?

The NPPES record lists a practice address at 525 E 68TH St, New York, NY, 10021. Phone: (212) 746-7000. Providers update this record themselves, so call before visiting.

How can I verify Brian Eiss, M.D.'s license?

NPPES lists New York license number 266022, 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 Brian Eiss, M.D. prescribe under Medicare Part D?

In 2024, Brian Eiss, M.D. had 3,850 Medicare Part D claims for 497 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.

What is Brian Eiss, M.D.'s MIPS final score?

The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.