Mark Barreto, MD
NPI 1336308592 · Family Medicine Physician · Norwich, NY
Mark Barreto, MD is a Family Medicine Physician provider in Norwich, NY (NPI 1336308592).
Provider details
- NPI number
- 1336308592
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 244063 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Levothyroxine Sodium | 26 |
| Losartan Potassium | 25 |
| Apixabanbrand: Eliquis | 20 |
| Atorvastatin Calcium | 19 |
| Escitalopram Oxalate | 17 |
| Lisinopril | 17 |
| Amlodipine Besylate | 16 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 13 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-06-03
- Last updated
- 2013-07-24
Frequently asked questions
- What is Mark Barreto's NPI number?
- Mark Barreto's National Provider Identifier (NPI) is 1336308592, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mark Barreto's specialty?
- Mark Barreto is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Mark Barreto located?
- Mark Barreto's practice location on file with NPPES is 179 N Broad St, Norwich, NY 13815-1019.
- What is Mark Barreto's phone number?
- The practice phone number listed in the NPPES registry for Mark Barreto is (607) 337-4271.
- Is Mark Barreto's NPI active?
- Yes — Mark Barreto's NPI (1336308592) is active in the NPPES registry as of the last update on 2013-07-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.