Arkadij Grigorian, M.D.
NPI 1851790703 · Student in an Organized Health Care Education/Training Program · Brooklyn, NY
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arkadij Grigorian, M.D. is a Student in an Organized Health Care Education/Training Program provider in Brooklyn, NY (NPI 1851790703).
Provider details
- NPI number
- 1851790703
- Entity type
- Individual
- Primary specialty
- Student in an Organized Health Care Education/Training ProgramStudent, Health Care
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
11 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
153 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) |
|---|---|---|
| Ct Scan Head Or Brain Without Contrast70450 | 44 | $43 |
| X-Ray of Chest, 1 View71045 | 43 | $9 |
| Ct Scan of Abdomen and Pelvis With Contrast74177 | 24 | $94 |
| Ct Scan of Chest With Contrast71260 | 16 | $58 |
| Ct Scan of Upper Spine Without Contrast72125 | 14 | $51 |
| X-Ray of Chest, 2 Views71046 | 12 | $11 |
Typical Medicare-allowed amounts for these services range $9–$94 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2014-08-16
- Last updated
- 2016-06-23
Frequently asked questions
- What is Arkadij Grigorian's NPI number?
- Arkadij Grigorian's National Provider Identifier (NPI) is 1851790703, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arkadij Grigorian's specialty?
- Arkadij Grigorian is listed in the NPPES registry with a primary specialty of Student in an Organized Health Care Education/Training Program (Student, Health Care).
- Where is Arkadij Grigorian located?
- Arkadij Grigorian's practice location on file with NPPES is 450 Clarkson Ave, Brooklyn, NY 11203-2012.
- What is Arkadij Grigorian's phone number?
- The practice phone number listed in the NPPES registry for Arkadij Grigorian is (718) 270-1000.
- Does Arkadij Grigorian accept Medicare?
- Arkadij Grigorian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arkadij Grigorian's NPI active?
- Yes — Arkadij Grigorian's NPI (1851790703) is active in the NPPES registry as of the last update on 2016-06-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.