Ryan Matson, M.D.
NPI 1366718264 · Internal Medicine Physician · San Rafael, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ryan Matson, M.D. is a Internal Medicine Physician provider in San Rafael, CA (NPI 1366718264).
Provider details
- NPI number
- 1366718264
- Entity type
- Individual
- Primary specialty
- Internal Medicine 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
14 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
36 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) |
|---|---|---|
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 36 | $87 |
Typical Medicare-allowed amounts for these services range $87–$87 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote 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.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 14 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 42 | 19 |
| Cefuroxime Axetilbrand: Cefuroxime | 28 | 27 |
| Doxycycline Monohydrate | 24 | 23 |
| Gabapentin | 19 | 11 |
| Furosemide | 18 | 14 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 17 | 17 |
| Pantoprazole Sodium | 17 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-03-26
- Last updated
- 2021-12-17
Frequently asked questions
- What is Ryan Matson's NPI number?
- Ryan Matson's National Provider Identifier (NPI) is 1366718264, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ryan Matson's specialty?
- Ryan Matson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ryan Matson located?
- Ryan Matson's practice location on file with NPPES is 99 Montecillo Rd, San Rafael, CA 94903-3308.
- What is Ryan Matson's phone number?
- The practice phone number listed in the NPPES registry for Ryan Matson is (415) 444-2000.
- Does Ryan Matson accept Medicare?
- Ryan Matson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ryan Matson's NPI active?
- Yes — Ryan Matson's NPI (1366718264) is active in the NPPES registry as of the last update on 2021-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.