Renee Armstrong, M.D.
NPI 1093899239 · Family Medicine Physician · Santa Rosa, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Renee Armstrong, M.D. is a Family Medicine Physician provider in Santa Rosa, CA (NPI 1093899239).
Provider details
- NPI number
- 1093899239
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A60984 (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
19 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
866 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 212 | $98 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 197 | $137 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 194 | $141 |
| 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 | 90 | $17 |
| Administration of Influenza Virus VaccineG0008 | 78 | $35 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 103 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 344 | 98 |
| Levothyroxine Sodium | 258 | 76 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 205 | 39 |
| Hydrochlorothiazide | 160 | 46 |
| Amlodipine Besylate | 144 | 41 |
| Losartan Potassium | 129 | 37 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-24
- Last updated
- 2023-03-07
Frequently asked questions
- What is Renee Armstrong's NPI number?
- Renee Armstrong's National Provider Identifier (NPI) is 1093899239, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Renee Armstrong's specialty?
- Renee Armstrong is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Renee Armstrong located?
- Renee Armstrong's practice location on file with NPPES is 131 Stony Cir Ste 1600, Santa Rosa, CA 95401-9520.
- What is Renee Armstrong's phone number?
- The practice phone number listed in the NPPES registry for Renee Armstrong is (707) 541-7700.
- Does Renee Armstrong accept Medicare?
- Renee Armstrong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Renee Armstrong's NPI active?
- Yes — Renee Armstrong's NPI (1093899239) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.