Registry data as of Aug 27, 2026

Arkadiy Stolyar, M.D.

Psychiatry Physician · Belmont, MA

Arkadiy Stolyar, M.D. is a psychiatry physician with a practice address in Belmont, Massachusetts, and NPI 1780651174, issued on Mar 3, 2006. Check the license on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1780651174
Name
Arkadiy Stolyar
Credential
M.D.
Primary taxonomy
Psychiatry Physician 2084P0800X
Practice location
115 Mill St, Belmont, MA 02478
Phone
(617) 855-2000
Enumerated
Mar 3, 2006
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 115 Mill St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Blaise Aguirre, MDChild & Adolescent Psychiatry Physician1619936846
  2. Kayia Akoun, M.D.Psychiatry Physician1588028732
  3. Rana Alam-RomanosSocial Worker1487420311
  4. Robert Alexander, M.D.Psychiatry Physician1447526074
  5. Madeleine AllenStudent in an Organized Health Care Education/Training Program1205553971
  6. Danielle Alleven, PSY.D.Clinical Psychologist1891741153

Verify Arkadiy Stolyar in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMassachusetts Board of Registration in MedicineCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Open the Massachusetts license search

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71% fewer Medicare Part D claims than the average psychiatry physician in 2024

291 Medicare Part D claims for 53 beneficiaries, against an average of 1,010 among the 32,287 providers of this specialty who prescribed in Part D.

  1. Arkadiy Stolyar291
  2. Specialty average1,010

Most prescribed

  1. Olanzapine18 claims
  2. Trazodone Hcl17 claims
  3. Duloxetine Hcl16 claims
  4. Mirtazapine16 claims
  5. Gabapentin15 claims
  6. Escitalopram Oxalate14 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: 75.5 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.

  1. Qualityout of 100 · 30% of the final score64.1
  2. Costout of 100 · 30%37.6
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

146 psychiatry physician records list a Belmont practice address

They are 146 of the 1,008 NPPES records with a Belmont practice address, and 2,637 psychiatry physician records in Massachusetts.

Other psychiatry physician records in Massachusetts

  1. Karen Abdool, M.D., PH.DLynn, MA1942472824
  2. Harmony Abejuela, M.D.Quincy, MA1316259492
  3. Marielle Abell, PAAmherst, MA1275644072
  4. Steven Ablon, MDBoston, MA1083604839
  5. Keith Ablow, M.D.Newbury, MA1245423615
  6. Yousef Abou-Allaban, MDWalpole, MA1922040666
  7. Habiba Abozeid, MDBoston, MA1689408346
  8. Margarita Abramovich, MDPittsfield, MA1154883239
  9. Howard Abrams, MDSalem, MA1821102773
  10. David Abramson, MDCambridge, MA1376679787

Common questions

What is Arkadiy Stolyar, M.D.'s NPI number?

Arkadiy Stolyar, M.D.'s National Provider Identifier (NPI) is 1780651174, issued on Mar 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Arkadiy Stolyar, M.D. located?

The NPPES record lists a practice address at 115 Mill St, Belmont, MA, 02478. Phone: (617) 855-2000. Providers update this record themselves, so call before visiting.

How can I verify Arkadiy Stolyar, M.D.'s license?

Search the Massachusetts Board of Registration in Medicine at https://www.mass.gov/orgs/board-of-registration-in-medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Arkadiy Stolyar, M.D. prescribe under Medicare Part D?

In 2024, Arkadiy Stolyar, M.D. had 291 Medicare Part D claims for 53 beneficiaries; the average among psychiatry physician prescribers was 1,010. Part D covers Medicare prescriptions only.

What is Arkadiy Stolyar, M.D.'s Medicare quality score?

The 2023 MIPS final score is 75.5 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.