Arkadiy Stolyar, M.D.
NPI 1780651174 · Psychiatry Physician · Belmont, MA
Enrolled with Medicare as Practitioner - Psychiatry · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arkadiy Stolyar, M.D. is a Psychiatry Physician provider in Belmont, MA (NPI 1780651174).
Provider details
- NPI number
- 1780651174
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 81627 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
2,410 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. 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 does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes99231 | 1,883 | $52 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 468 | $83 |
| Hospital Discharge Day Management, More Than 30 Minutes99239 | 59 | $121 |
Typical Medicare-allowed amounts for these services range $52–$121 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Olanzapine | 18 | 11 |
| Trazodone Hcl | 17 | 13 |
| Mirtazapine | 16 | 15 |
| Duloxetine Hcl | 16 | 12 |
| Gabapentin | 15 | 12 |
| Escitalopram Oxalate | 14 | — |
| Quetiapine Fumarate | 14 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-03-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Arkadiy Stolyar's NPI number?
- Arkadiy Stolyar's National Provider Identifier (NPI) is 1780651174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arkadiy Stolyar's specialty?
- Arkadiy Stolyar is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Arkadiy Stolyar located?
- Arkadiy Stolyar's practice location on file with NPPES is 115 Mill St, Belmont, MA 02478-1041.
- What is Arkadiy Stolyar's phone number?
- The practice phone number listed in the NPPES registry for Arkadiy Stolyar is (617) 855-2000.
- Does Arkadiy Stolyar accept Medicare?
- Arkadiy Stolyar is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arkadiy Stolyar's NPI active?
- Yes — Arkadiy Stolyar's NPI (1780651174) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.