Michael Rezaian, M.D.
NPI 1598821449 · Rheumatology Physician · Martinsburg, WV
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Rezaian, M.D. is a Rheumatology Physician provider in Martinsburg, WV (NPI 1598821449).
Provider details
- NPI number
- 1598821449
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 16112 (WV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
1,416 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
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 .
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 | 730 | $108 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 503 | $78 |
| Office Or Other Outpatient Visit for the Evaluation and Management of Established Patient That May Not Require Presence of Healthcare Professional99211 | 93 | $20 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 40 | $96 |
| Telephone Medical Discussion With Physician, 21-30 Minutes99443 | 26 | $115 |
| Aspiration And/Or Injection of Fluid From Large Joint |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 55 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 726 | 239 |
| Prednisone | 450 | 195 |
| Apremilastbrand: Otezla | 411 | 57 |
| Hydroxychloroquine Sulfate | 324 | 105 |
| Upadacitinibbrand: Rinvoq | 276 | 39 |
| Secukinumabbrand: Cosentyx Sensoready (2 Pens) | 232 | 46 |
| Secukinumab |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$3,726 across 9 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-12-28
- Last updated
- 2025-09-11
Frequently asked questions
- What is Michael Rezaian's NPI number?
- Michael Rezaian's National Provider Identifier (NPI) is 1598821449, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Rezaian's specialty?
- Michael Rezaian is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Rezaian located?
- Michael Rezaian's practice location on file with NPPES is 2010 Doctor Oates Dr, Martinsburg, WV 25401-8896.
- What is Michael Rezaian's phone number?
- The practice phone number listed in the NPPES registry for Michael Rezaian is (304) 262-0085.
- Does Michael Rezaian accept Medicare?
- Michael Rezaian is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Rezaian's NPI active?
- Yes — Michael Rezaian's NPI (1598821449) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.