Michael Stevens, M.D.
NPI 1932198793 · Rheumatology Physician · San Mateo, CA
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Michael Stevens, M.D. is a Rheumatology Physician provider in San Mateo, CA (NPI 1932198793).
Provider details
- NPI number
- 1932198793
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G59207 (CA)
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
951 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) |
|---|---|---|
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 394 | $174 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 154 | $213 |
| Administration of Non-Hormonal Anti-Neoplastic Chemotherapy Under Skin Or Into Muscle96401 | 129 | $96 |
| 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 | 114 | $19 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 111 | $151 |
| New Patient Office Or Other Outpatient Visit With a High Level of Medical Decision Making, If Using Time, 60 Minutes Or More |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 23 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Methotrexate Sodiumbrand: Methotrexate | 260 | 66 |
| Prednisone | 217 | 62 |
| Hydroxychloroquine Sulfate | 97 | 22 |
| Meloxicam | 74 | 14 |
| Tramadol Hcl | 70 | 15 |
| Febuxostat | 65 | 15 |
| Gabapentin | 54 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,280 across 60 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
- 2005-10-14
- Last updated
- 2020-03-05
- Certified
- 2020-03-05
Frequently asked questions
- What is Michael Stevens's NPI number?
- Michael Stevens's National Provider Identifier (NPI) is 1932198793, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Michael Stevens's specialty?
- Michael Stevens is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Michael Stevens located?
- Michael Stevens's practice location on file with NPPES is 101 S San Mateo Dr, San Mateo, CA 94401-3819.
- What is Michael Stevens's phone number?
- The practice phone number listed in the NPPES registry for Michael Stevens is (650) 348-6011.
- Does Michael Stevens accept Medicare?
- Michael Stevens is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Michael Stevens's NPI active?
- Yes — Michael Stevens's NPI (1932198793) is active in the NPPES registry as of the last update on 2020-03-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.