Mark Barreto, MD
Family Medicine Physician · Norwich, NY
Mark Barreto, MD is a family medicine physician with a practice address in Norwich, New York, and NPI 1336308592, issued on Jun 3, 2008. Check the license (New York 244063, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Mark Barreto
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 244063 NY
Self-reported in NPPES; status is on the state search - Practice location
- 179 N Broad St, Norwich, NY 13815
- Phone
- (607) 337-4271
- Enumerated
- Jun 3, 2008
- Entity
- Type 1 · individual
Also registered at 179 N Broad St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark Barreto 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 244063Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
90% fewer Medicare Part D claims than the average family medicine physician in 2024
342 Medicare Part D claims for 30 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium26 claims
- Losartan Potassium25 claims
- Eliquis20 claims
- Atorvastatin Calcium19 claims
- Escitalopram Oxalate17 claims
- Lisinopril17 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.
10 family medicine physician records list a Norwich practice address
They are 10 of the 391 NPPES records with a Norwich practice address, and 6,002 family medicine physician records in New York.
All 10 in Norwich → All 6,002 in New York → Every provider in Norwich →
Other family medicine physician records in New York
- Stuart Aaronson, M.D.New York, NY1336513100
- Amarachi Abara, MDBronx, NY1780206078
- Sharon Abara-Palaganas, MDBrooklyn, NY1952529158
- Mary Claire Abbot, MDNew York, NY1215322383
- Heather Abdalla, FNP-CHorseheads, NY1164076907
- Higer Abdallah, NPPatchogue, NY1528662400
- Aya Abdelfattah, MBBCH, MPHSchenectady, NY1821676206
- Basil Abdeljaber, M.D.White Plains, NY1831354323
- Sarah Abdelsayed, MDBuffalo, NY1093065138
- Mays Abdulazeez, MDSchenectady, NY1255917662
Common questions
What is Mark Barreto, MD's NPI number?
Mark Barreto, MD's National Provider Identifier (NPI) is 1336308592, issued on Jun 3, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Mark Barreto, MD located?
The NPPES record lists a practice address at 179 N Broad St, Norwich, NY, 13815. Phone: (607) 337-4271. Providers update this record themselves, so call before visiting.
How can I verify Mark Barreto, MD's license?
NPPES lists New York license number 244063, 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 Mark Barreto, MD prescribe under Medicare Part D?
In 2024, Mark Barreto, MD had 342 Medicare Part D claims for 30 beneficiaries; the average among family medicine physician prescribers was 3,519. 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.