Guadalupe Avila-Kirwan, MD
Internal Medicine Physician · Auburn, CA
Guadalupe Avila-Kirwan, MD is an internal medicine physician with a practice address in Auburn, California, and NPI 1306821566, issued on Dec 9, 2005. Check the license (California G84783, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Guadalupe Avila-Kirwan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G84783 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3111 Professional Dr, Auburn, CA 95603
- Phone
- (530) 885-5610
- Enumerated
- Dec 9, 2005
- Record last updated
- Apr 29, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicaid ID
- 00G847830 CA
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 3111 Professional Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Lars Jakobsen, M.D.Internal Medicine Physician1417933110
- Gary Leeds, MDPulmonary Disease Physician1417930967
- Daniel Merck, MDInternal Medicine Physician1750300067
- Narges Shariati Varnosfaderani, M.D.Internal Medicine Physician1649256140
Verify Guadalupe Avila-Kirwan in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G84783Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average internal medicine physician in 2024
514 Medicare Part D claims for 282 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium44 claims
- Levothyroxine Sodium36 claims
- Amlodipine Besylate33 claims
- Rosuvastatin Calcium25 claims
- Omeprazole20 claims
- Lisinopril18 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Guadalupe Avila-Kirwan among 17,696 internal medicine physician records in California
Guadalupe Avila-Kirwan, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 95% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2011 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
31 internal medicine physician records list a practice address in Auburn
They are 31 of the 1,392 NPPES records with a practice address in Auburn, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Auburn → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- David Chihorek, MDAuburn, CA 956031578554226
- James Drennan, M.D.Auburn, CA 956031275518177
- Geralyn Flaig, M.D.Auburn, CA 956031992037253
- Mihaela Hasse, MDAuburn, CA 956031073624201
- Apeet Hundal, MDAuburn, CA 956031134158926
- Lars Jakobsen, M.D.Auburn, CA 956031417933110
Common questions
What is Guadalupe Avila-Kirwan, MD's NPI number?
Guadalupe Avila-Kirwan, MD's National Provider Identifier (NPI) is 1306821566, issued on Dec 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Guadalupe Avila-Kirwan, MD located?
The NPPES record lists a practice address at 3111 Professional Dr, Auburn, CA, 95603. Phone: (530) 885-5610. Providers update this record themselves, so call before visiting.
How can I verify Guadalupe Avila-Kirwan, MD's license?
NPPES lists California license number G84783, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Guadalupe Avila-Kirwan, MD prescribe under Medicare Part D?
In 2024, Guadalupe Avila-Kirwan, MD had 514 Medicare Part D claims for 282 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.