Anton P. Porsteinsson, MD
Psychiatry Physician · Rochester, NY
Anton P. Porsteinsson, MD is a psychiatry physician with a practice address in Rochester, New York, and NPI 1740225028, issued on Jun 19, 2006. Check the license (New York 204409, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Anton P. Porsteinsson
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 204409 NY
Self-reported in NPPES; status is on the state search - Practice location
- 601 Elmwood Ave, Rochester, NY 14642
- Phone
- (585) 275-6733
- Enumerated
- Jun 19, 2006
- Record last updated
- Jul 3, 2023
- Medicaid ID
- 01702625 NY
- Medicare enrollment
- Enrolled (PECOS I20101005000436); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 601 Elmwood Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Asli Saba Abaci, M.D.Child & Adolescent Psychiatry Physician1538100961
- Syed Faiz Abbas, MDCardiovascular Disease Physician1316557853
- Asim Abbasi, MDPediatric Emergency Medicine (Pediatrics) Physician1336155456
- Cameron Abbey-Mott, PHARMDSolid Organ Transplant Pharmacist1124953625
- Jessica Abbott, PHARMD, RPHPharmacist1548120272
- Maisa Abdalla, M.D.Gastroenterology Physician1669645222
Verify Anton P. Porsteinsson 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 204409Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
10% fewer Medicare Part D claims than the average psychiatry physician in 2024
903 Medicare Part D claims for 182 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Memantine Hcl209 claims
- Donepezil Hcl167 claims
- Escitalopram Oxalate109 claims
- Rivastigmine65 claims
- Memantine Hcl Er63 claims
- Galantamine Er45 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.8 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $50,264.94
30 payments; by number, the most common kind was consulting fee; the largest payer was Novo Nordisk AS. The 13,693 providers of this specialty with any payment received $4,954.93 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 one group practice
- University OF RochesterRochester, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Psychiatry Physician providers in New York
There are 6,589 psychiatry physician records in New York.
Other psychiatry physician records in New York
- Muhammad AadilBronx, NY1366928947
- Geetha Aakalu, M.D.Monticello, NY1770628661
- Harry Aaron, M.D.New York, NY1821116187
- Lisa Aaron, MDPeekskill, NY1316097934
- Shelley AaronsNew York, NY1770883258
- James Abanishe, M.DNew New, NY1992053573
- Benjamin Abastillas, M.D.Hyde Park, NY1750439832
- Tessie AbastillasMarcy, NY1801098496
- Ashraf Abaza, M.D.New York, NY1831105246
- Israr Abbasi, MDLakewood, NY1518925437
Common questions
What is Anton P. Porsteinsson, MD's NPI number?
Anton P. Porsteinsson, MD's National Provider Identifier (NPI) is 1740225028, issued on Jun 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Anton P. Porsteinsson, MD located?
The NPPES record lists a practice address at 601 Elmwood Ave, Rochester, NY, 14642. Phone: (585) 275-6733. Providers update this record themselves, so call before visiting.
How can I verify Anton P. Porsteinsson, MD's license?
NPPES lists New York license number 204409, 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 Anton P. Porsteinsson, MD prescribe under Medicare Part D?
In 2024, Anton P. Porsteinsson, MD had 903 Medicare Part D claims for 182 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
What is Anton P. Porsteinsson, MD's MIPS final score?
The 2023 MIPS final score is 76.8 of 100, reported for the practice group. 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.