Gary Finstad, M.D.
Internal Medicine Physician · Lake Isabella, CA
Gary Finstad, M.D. is an internal medicine physician with a practice address in Lake Isabella, California, and NPI 1184763633, issued on Feb 5, 2007. Check the license (California G43717, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Gary Finstad
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- G43717 CA
Self-reported in NPPES; status is on the state search - Practice location
- 6425 Lynch Canyon Dr, Lake Isabella, CA 93240
- Phone
- (760) 379-8630
- Enumerated
- Feb 5, 2007
- Entity
- Type 1 · individual
Also registered at 6425 Lynch Canyon Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Gross, DOInternal Medicine Physician1396827358
- James Gutzman, PA-C, RN, FNPPhysician Assistant1295834844
- Phillip Martin, MDEmergency Medicine Physician1275580680
- Holly Spohn-Gross, DPMPodiatrist1659453611
Verify Gary Finstad in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G43717Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
2.4 times the Medicare Part D claims of the average internal medicine physician in 2024
6,661 Medicare Part D claims for 377 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 633 claims were for opioids.
Most prescribed
- Atorvastatin Calcium355 claims
- Hydrocodone-Acetaminophen287 claims
- Omeprazole230 claims
- Amlodipine Besylate218 claims
- Lisinopril-Hydrochlorothiazide189 claims
- Tramadol Hcl173 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.
The Medicare quality score for 2023: 77.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $104.95
5 payments, mostly food and beverage; the largest payer was GlaxoSmithKline, LLC.. The 65,274 providers of this specialty with any payment received $2,536.66 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital or facility affiliation
- Sienna Medical CorporationLake Isabella, CA
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
2 internal medicine physician records list a Lake Isabella practice address
They are 2 of the 140 NPPES records with a Lake Isabella practice address, and 20,403 internal medicine physician records in California.
All 2 in Lake Isabella → All 20,403 in California → Every provider in Lake Isabella →
Other internal medicine physician records in California
- Jacob Aaron, MDSan Francisco, CA1407202518
- Alistair Aaronson, MDStanford, CA1457628760
- Jose Abad., MDSacramento, CA1144607219
- Donna Abare, MDOakland, CA1386722155
- Marce AbareScotts Valley, CA1457744708
- Samuel Abarte, M.D.Chula Vista, CA1578535498
- Alexander Abary, MDLong Beach, CA1104995919
- Luba Abascal, MDSan Francisco, CA1023180874
- Michael Abate, MDSacramento, CA1548248131
- Wali Abawi, D.O.Joshua Tree, CA1104362268
Common questions
What is Gary Finstad, M.D.'s NPI number?
Gary Finstad, M.D.'s National Provider Identifier (NPI) is 1184763633, issued on Feb 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Gary Finstad, M.D. located?
The NPPES record lists a practice address at 6425 Lynch Canyon Dr, Lake Isabella, CA, 93240. Phone: (760) 379-8630. Providers update this record themselves, so call before visiting.
How can I verify Gary Finstad, M.D.'s license?
NPPES lists California license number G43717, 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 Gary Finstad, M.D. prescribe under Medicare Part D?
In 2024, Gary Finstad, M.D. had 6,661 Medicare Part D claims for 377 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.
What is Gary Finstad, M.D.'s Medicare quality score?
The 2023 MIPS final score is 77.5 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.