Alan Matsumoto, M.D.
NPI 1043219298 · Rheumatology Physician · Wheaton, MD
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Alan Matsumoto, M.D. is a Rheumatology Physician provider in Wheaton, MD (NPI 1043219298).
Provider details
- NPI number
- 1043219298
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- D0036867 (MD)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 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
12,270 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) |
|---|---|---|
| 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 | 1,421 | $18 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 1,183 | $140 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 926 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 916 | $8 |
| Red Blood Cell Sedimentation Rate, to Detect Inflammation, Automated85652 | 911 | $3 |
| Measurement C-Reactive Protein for Detection of Infection Or Inflammation |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 511 | 148 |
| Prednisone | 300 | 97 |
| Hydroxychloroquine Sulfate | 132 | 40 |
| Celecoxib | 127 | 48 |
| Gabapentin | 100 | 34 |
| Alendronate Sodium | 94 | 35 |
| Etanerceptbrand: Enbrel Sureclick | 88 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$27,615 across 95 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
- 2005-07-19
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Alan Matsumoto's NPI number?
- Alan Matsumoto's National Provider Identifier (NPI) is 1043219298, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Alan Matsumoto's specialty?
- Alan Matsumoto is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Alan Matsumoto located?
- Alan Matsumoto's practice location on file with NPPES is 2730 University Blvd W, Wheaton, MD 20902-1905.
- What is Alan Matsumoto's phone number?
- The practice phone number listed in the NPPES registry for Alan Matsumoto is (301) 942-7600.
- Does Alan Matsumoto accept Medicare?
- Alan Matsumoto is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Alan Matsumoto's NPI active?
- Yes — Alan Matsumoto's NPI (1043219298) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.