Ernest Garnier, MD
Internal Medicine Physician · Brooklyn, NY
Ernest Garnier, MD is an internal medicine physician with a practice address in Brooklyn, New York, and NPI 1942294566, issued on Sep 9, 2005. Check the license (New York 223541-1, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Ernest Garnier
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 223541-1 NY
223541 NY
Self-reported in NPPES; status is on the state search - Practice location
- 2171 Nostrand Ave, Brooklyn, NY 11210
- Phone
- (718) 758-8920
- Enumerated
- Sep 9, 2005
- Record last updated
- Jul 11, 2022
- Medicaid ID
- 02611012 NY
- Medicare enrollment
- Enrolled (PECOS I20041115000825); accepts Medicare assignment
- Medical or professional school
- State University Of New York Downstate Medical Center, 2000
- Entity
- Type 1 · individual
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Also registered at 2171 Nostrand Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Ernest Garnier 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 223541-1Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,656 Medicare Part D claims for 418 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Atorvastatin Calcium147 claims
- Amlodipine Besylate133 claims
- Rosuvastatin Calcium89 claims
- Jardiance83 claims
- Metoprolol Succinate73 claims
- Januvia66 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: $426.08
19 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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
- Icahn School OF Medicine AT Mount SinaiNew York, NY
- University Hospital OF Brooklyn Suny Downstate Health Sciences UniversBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ernest Garnier among 12,067 internal medicine physician records in New York
Ernest Garnier, MD 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 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 92% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2000 · median 2002 among the 7,221 with a school on file
- Record last updated2022 · 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).
1,497 internal medicine physician records list a practice address in Brooklyn
They are 1,497 of the 64,057 NPPES records with a practice address in Brooklyn, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Brooklyn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Lynchy LezeauBrooklyn, NY 112101245692334
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- Inna Petrosova, MDBrooklyn, NY 112101609861004
- Ayesha Rahman, MDBrooklyn, NY 112101578518635
- Myron Seidman, M.D.Brooklyn, NY 112101952501298
Common questions
What is Ernest Garnier, MD's NPI number?
Ernest Garnier, MD's National Provider Identifier (NPI) is 1942294566, issued on Sep 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Ernest Garnier, MD located?
The NPPES record lists a practice address at 2171 Nostrand Ave, Brooklyn, NY, 11210. Phone: (718) 758-8920. Providers update this record themselves, so call before visiting.
How can I verify Ernest Garnier, MD's license?
NPPES lists New York license number 223541-1, 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 Ernest Garnier, MD prescribe under Medicare Part D?
In 2024, Ernest Garnier, MD had 2,656 Medicare Part D claims for 418 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.