Michael Belsky, M.D.
NPI 1114347788 · Rheumatology Physician · Washington, DC
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Belsky, M.D. is a Rheumatology Physician provider in Washington, DC (NPI 1114347788).
Provider details
- NPI number
- 1114347788
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
12 yrs in NPPES registry
- Profile completeness28% of score
83% of core fields populated
- Practice footprint17% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
1,211 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) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 388 | $94 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 355 | $16 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 163 | $125 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 155 | $16 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More99205 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 25 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 431 | 96 |
| Prednisone | 365 | 116 |
| Hydroxychloroquine Sulfate | 234 | 50 |
| Leflunomide | 155 | 34 |
| Etanerceptbrand: Enbrel Sureclick | 73 | — |
| Sulfasalazine | 69 | 12 |
| Adalimumabbrand: Humira(cf) Pen |
Practice location
Mailing address
Additional practice locations (1)
- 801 N 29th StBillings, MT 59101-0905Phone: (406) 238-2500
Registry dates
- Enumerated
- 2014-04-23
- Last updated
- 2022-03-08
- Certified
- 2022-03-08
Frequently asked questions
- What is Michael Belsky's NPI number?
- Michael Belsky's National Provider Identifier (NPI) is 1114347788, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Belsky's specialty?
- Michael Belsky is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Belsky located?
- Michael Belsky's practice location on file with NPPES is 110 Irving St Nw Ste 2a-66, Washington, DC 20010.
- What is Michael Belsky's phone number?
- The practice phone number listed in the NPPES registry for Michael Belsky is (202) 877-6274.
- Does Michael Belsky accept Medicare?
- Michael Belsky is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Belsky's NPI active?
- Yes — Michael Belsky's NPI (1114347788) is active in the NPPES registry as of the last update on 2022-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.