Anton Porsteinsson, MD
Geriatric Psychiatry Physician · Rochester, NY
Anton Porsteinsson, MD is a geriatric 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 Porsteinsson
- Credential
- MD
- Primary taxonomy
- Geriatric Psychiatry Physician 2084P0805X
- 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
- 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.
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- Maisa Abdalla, M.D.Internal Medicine Physician1669645222
Verify Anton 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
43% fewer Medicare Part D claims than the average geriatric psychiatry physician in 2024
903 Medicare Part D claims for 182 beneficiaries, against an average of 1,586 among the 507 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 Medicare quality score for 2023: 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, mostly consulting fee; the largest payer was Novo Nordisk AS. The 220 providers of this specialty with any payment received $3,945.69 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.
One hospital or facility affiliation
- University OF RochesterRochester, NY
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Geriatric Psychiatry Physician providers in New York
There are 105 geriatric psychiatry physician records in New York.
Other geriatric psychiatry physician records in New York
- Robert Abrams, MDNew York, NY1730117342
- Kalu Agwu, MDNew York, NY1104840032
- Syed Ahmed, M.D.Williamsville, NY1003828526
- George Alexopoulos, M.D.White Plains, NY1548222805
- Basil Alhassan, MD, MPH, DRPHNew York, NY1689162737
- Miguel Alvarez, MDGreenport, NY1922155118
- Diane Annalett, M.D.Buffalo, NY1548277643
- William Apfeldorf, MDWhite Plains, NY1144235698
- Bienvenida Austria, MDGlen Oaks, NY1083771323
- Carla Paola Avellan Herrera, MDElmhurst, NY1760903421
Common questions
What is Anton Porsteinsson, MD's NPI number?
Anton 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 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 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 Porsteinsson, MD prescribe under Medicare Part D?
In 2024, Anton Porsteinsson, MD had 903 Medicare Part D claims for 182 beneficiaries; the average among geriatric psychiatry physician prescribers was 1,586. Part D covers Medicare prescriptions only.
What is Anton Porsteinsson, MD's Medicare quality 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), 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.