Michael Palchak, M.D.
Geriatric Medicine (Internal Medicine) Physician · Davis, CA
Michael Palchak, M.D. is a geriatric medicine (internal medicine) physician with a practice address in Davis, California, and NPI 1316970338, issued on Jul 10, 2006. Check the license (California G63751, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Palchak
- Credential
- M.D.
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License number
- G63751 CA
Self-reported in NPPES; status is on the state search - Practice location
- 25133 County Road 96, Davis, CA 95616
- Phone
- (530) 979-7775
- Enumerated
- Jul 10, 2006
- Record last updated
- Jun 29, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (530) 758-6904
- Medicaid ID
- 00G637510 CA
- Medicare enrollment
- Enrolled (PECOS I20050512000304); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 1987
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 532 in California → Look up another NPI →
Verify Michael Palchak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G63751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
4,073 Medicare Part D claims for 277 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 135 claims were for opioids.
Most prescribed
- Atorvastatin Calcium274 claims
- Levothyroxine Sodium165 claims
- Losartan Potassium148 claims
- Furosemide126 claims
- Donepezil Hcl113 claims
- Amlodipine Besylate104 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 practice group's MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Cep America - CaliforniaFolsom, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Palchak among 532 geriatric medicine (internal medicine) physician records in California
Michael Palchak, M.D. is one of 532 geriatric medicine (internal medicine) physician records with a practice address in California. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 46% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1987 · median 1999 among the 271 with a school on file
- Record last updated2020 · 62% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in California
There are 532 geriatric medicine (internal medicine) physician records in California.
All 532 in California → Every provider in Davis → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Carl Haller, MDCarmichael, CA 956081366552143
- Roxana Aminbakhsh, M.D.Folsom, CA 956301609970318
- Murray Batt, MDAuburn, CA 956021730292889
- Randall Goethals, M.D.Mather, CA 956551316920713
- John Peters, M.D.Mather, CA 956551497731806
- Kathryn Amacher, DOVacaville, CA 956871366545568
- Jennifer Heidmann, MDEureka, CA 955011790881332
- Celeste Sayles-Croy, DOEureka, CA 955011033565551
Common questions
What is Michael Palchak, M.D.'s NPI number?
Michael Palchak, M.D.'s National Provider Identifier (NPI) is 1316970338, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael Palchak, M.D. located?
The NPPES record lists a practice address at 25133 County Road 96, Davis, CA, 95616. Phone: (530) 979-7775. Providers update this record themselves, so call before visiting.
How can I verify Michael Palchak, M.D.'s license?
NPPES lists California license number G63751, 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 Michael Palchak, M.D. prescribe under Medicare Part D?
In 2024, Michael Palchak, M.D. had 4,073 Medicare Part D claims for 277 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. Part D covers Medicare prescriptions only.
What is Michael Palchak, M.D.'s MIPS final score?
The 2023 MIPS final score is 94.6 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.