Ruth Wilson, M.D.
NPI 1407822331 · Internal Medicine Physician · Napa, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ruth Wilson, M.D. is a Internal Medicine Physician provider in Napa, CA (NPI 1407822331).
Provider details
- NPI number
- 1407822331
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- G080389 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
612 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 | 285 | $138 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 78 | $140 |
| Ultrasound Study of Arm and Leg Arteries93922 | 74 | $97 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 68 | $14 |
| Physician Or Allowed Practitioner Re-Certification for Medicare-Covered Home Health Services Under a Home Health Plan of Care (patient Not Present), Including Contacts With Home Health Agency and Review of Reports of Patient Status Required By Physicians aG0179 | 46 | $47 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 80 | 16 |
| Levothyroxine Sodium | 76 | 17 |
| Amlodipine Besylate | 50 | 12 |
| Tramadol Hcl | 45 | — |
| Simvastatin | 38 | — |
| Metoprolol Succinate | 36 | — |
| Gabapentin | 34 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-02-28
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ruth Wilson's NPI number?
- Ruth Wilson's National Provider Identifier (NPI) is 1407822331, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ruth Wilson's specialty?
- Ruth Wilson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Ruth Wilson located?
- Ruth Wilson's practice location on file with NPPES is 980 Trancas St, Napa, CA 94558-2933.
- What is Ruth Wilson's phone number?
- The practice phone number listed in the NPPES registry for Ruth Wilson is (707) 255-3583.
- Does Ruth Wilson accept Medicare?
- Ruth Wilson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ruth Wilson's NPI active?
- Yes — Ruth Wilson's NPI (1407822331) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.