Registry data as of Aug 27, 2026

Barney Rubenstein, MD

Geriatric Medicine (Internal Medicine) Physician · Greenwich, NY

Barney Rubenstein, MD is a geriatric medicine (internal medicine) physician with a practice address in Greenwich, New York, and NPI 1356339469, issued on Oct 12, 2005. Check the license on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1356339469
Name
Barney Rubenstein
Credential
MD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
Practice location
1134 State Route 29, Greenwich, NY 12834
Phone
(518) 692-9861
Enumerated
Oct 12, 2005
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1134 State Route 29

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

  1. Nolin HuntleyPhysical Therapist1770315913
  2. Kristen Kelley, D.O.Student in an Organized Health Care Education/Training Program1013272939
  3. Kameron MosherStudent in an Organized Health Care Education/Training Program1972394914
  4. Darlene O'Dell, PTPhysical Therapist1982909479
  5. William Papura, DONeuromusculoskeletal Medicine & OMM Physician1417958810
  6. Doreen Potter, PAPhysician Assistant1740266113

Verify Barney Rubenstein in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNYS Education Department, Office of the ProfessionsCheck 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.

3.0 times the Medicare Part D claims of the average geriatric medicine (internal medicine) physician in 2024

13,134 Medicare Part D claims for 798 beneficiaries, against an average of 4,420 among the 2,888 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 341 claims were for opioids.

  1. Barney Rubenstein13,134
  2. Specialty average4,420

Most prescribed

  1. Atorvastatin Calcium928 claims
  2. Lisinopril713 claims
  3. Omeprazole631 claims
  4. Levothyroxine Sodium532 claims
  5. Amlodipine Besylate512 claims
  6. Rosuvastatin Calcium336 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: $17.70

1 payment, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 1,049 providers of this specialty with any payment received $1,935.44 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Barney Rubenstein$17.70
  2. Specialty average$1,935.44

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

One hospital or facility affiliation

  1. Glens Falls Hospital IncCambridge, NY

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

1 geriatric medicine (internal medicine) physician records list a Greenwich practice address

They are 1 of the 63 NPPES records with a Greenwich practice address, and 493 geriatric medicine (internal medicine) physician records in New York.

Other geriatric medicine (internal medicine) physician records in New York

  1. Saba Abolahrari, M.D.Mineola, NY1346483377
  2. Srinivasa Adapa, MDBronx, NY1083667935
  3. Vivian Adeyemo, M.D.New Hyde Park, NY1316076508
  4. Bernadette Agard-Henriques, M.D.Flushing, NY1235214669
  5. Maysoon Agarib, MDBronx, NY1780047019
  6. Rohin Aggarwal, MDNew York, NY1386224103
  7. Judith Ahronheim, M.D.Brooklyn, NY1164481628
  8. Sudheer AkellaForest Hills, NY1396249116
  9. Mohammed Alam, M.D.Stony Brook, NY1730264441
  10. Adele Alcindor, M.D.West Hempstead, NY1902805542

Common questions

What is Barney Rubenstein, MD's NPI number?

Barney Rubenstein, MD's National Provider Identifier (NPI) is 1356339469, issued on Oct 12, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Barney Rubenstein, MD located?

The NPPES record lists a practice address at 1134 State Route 29, Greenwich, NY, 12834. Phone: (518) 692-9861. Providers update this record themselves, so call before visiting.

How can I verify Barney Rubenstein, MD's license?

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 Barney Rubenstein, MD prescribe under Medicare Part D?

In 2024, Barney Rubenstein, MD had 13,134 Medicare Part D claims for 798 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,420. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.