Gary Michael Horbar, M.D.
Internal Medicine Physician · New York, NY
Gary Michael Horbar, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1851442198, issued on Jan 15, 2007. Check the license (New York 135289, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Gary Michael Horbar
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 135289 NY
Self-reported in NPPES; status is on the state search - Practice location
- 47 E 77TH St Ste 205, New York, NY 10075
- Phone
- (212) 570-9119
- Enumerated
- Jan 15, 2007
- Record last updated
- Jun 13, 2023
- Fax
- (212) 570-9104
- Medicare enrollment
- Enrolled (PECOS I20111116000592); may accept Medicare assignment
- Medical or professional school
- New York Medical College, 1976
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Also registered at 47 E 77TH St Ste 205
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Sharon Hochweiss, M.D.Hematology (Internal Medicine) Physician1417008889
Verify Gary Michael Horbar 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 135289Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.7 times the Medicare Part D claims of the average internal medicine physician in 2024
8,587 Medicare Part D claims for 738 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 86 claims were for opioids.
Most prescribed
- Atorvastatin Calcium621 claims
- Rosuvastatin Calcium548 claims
- Lisinopril389 claims
- Zolpidem Tartrate373 claims
- Levothyroxine Sodium310 claims
- Amlodipine Besylate299 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): 15.1 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.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $791.51
42 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Bit Physical TherapyPalm Beach Gardens, FL
- Horbar And Hochweiss MD PCNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary Michael Horbar among 12,067 internal medicine physician records in New York
Gary Michael Horbar, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 47% of them.
- NPI issued2007 · 47% of these records are older, 44% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1976 · median 2002 among the 7,221 with a school on file
- Record last updated2023 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
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Common questions
What is Gary Michael Horbar, M.D.'s NPI number?
Gary Michael Horbar, M.D.'s National Provider Identifier (NPI) is 1851442198, issued on Jan 15, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary Michael Horbar, M.D. located?
The NPPES record lists a practice address at 47 E 77TH St Ste 205, New York, NY, 10075. Phone: (212) 570-9119. Providers update this record themselves, so call before visiting.
How can I verify Gary Michael Horbar, M.D.'s license?
NPPES lists New York license number 135289, 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 Gary Michael Horbar, M.D. prescribe under Medicare Part D?
In 2024, Gary Michael Horbar, M.D. had 8,587 Medicare Part D claims for 738 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Gary Michael Horbar, M.D.'s MIPS final score?
The 2023 MIPS final score is 15.1 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.