Guadalupe Avila-Kirwan, MD
NPI 1306821566 · Internal Medicine Physician · Auburn, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Guadalupe Avila-Kirwan, MD is a Internal Medicine Physician provider in Auburn, CA (NPI 1306821566).
Provider details
- NPI number
- 1306821566
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G84783 (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
37 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) |
|---|---|---|
| Admn Sarscov2 Vacc 1 Dose90480 | 37 | $46 |
Typical Medicare-allowed amounts for these services range $46–$46 (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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 44 | 36 |
| Levothyroxine Sodium | 36 | 35 |
| Amlodipine Besylate | 33 | 28 |
| Rosuvastatin Calcium | 25 | 23 |
| Omeprazole | 20 | — |
| Lisinopril | 18 | 18 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-12-09
- Last updated
- 2011-04-29
Frequently asked questions
- What is Guadalupe Avila-Kirwan's NPI number?
- Guadalupe Avila-Kirwan's National Provider Identifier (NPI) is 1306821566, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Guadalupe Avila-Kirwan's specialty?
- Guadalupe Avila-Kirwan is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Guadalupe Avila-Kirwan located?
- Guadalupe Avila-Kirwan's practice location on file with NPPES is 3111 Professional Dr, Auburn, CA 95603-2456.
- What is Guadalupe Avila-Kirwan's phone number?
- The practice phone number listed in the NPPES registry for Guadalupe Avila-Kirwan is (530) 885-5610.
- Does Guadalupe Avila-Kirwan accept Medicare?
- Guadalupe Avila-Kirwan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Guadalupe Avila-Kirwan's NPI active?
- Yes — Guadalupe Avila-Kirwan's NPI (1306821566) is active in the NPPES registry as of the last update on 2011-04-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.