Michael Patrick Olvera, MD
Internal Medicine Physician · Sacramento, CA
Michael Patrick Olvera, MD is an internal medicine physician with a practice address in Sacramento, California, and NPI 1083364277, issued on Mar 28, 2022. Check the license (California A189326, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Patrick Olvera
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A189326 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4501 X St Ste 3016, Sacramento, CA 95817
- Phone
- (916) 734-5959
- Enumerated
- Mar 28, 2022
- Record last updated
- Aug 4, 2025
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
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Verify Michael Patrick Olvera in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A189326Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
84 Medicare Part D claims for 30 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 11 claims were for opioids.
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.
Michael Patrick Olvera among 17,696 internal medicine physician records in California
Michael Patrick Olvera, 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 2022, is newer than 95% of them.
- NPI issued2022 · 95% of these records are older, 2% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2025 · 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).
601 internal medicine physician records list a practice address in Sacramento
They are 601 of the 33,083 NPPES records with a practice address in Sacramento, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Sacramento → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
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- Diane Haddock, M.D.Sacramento, CA 958171013991553
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Common questions
What is Michael Patrick Olvera, MD's NPI number?
Michael Patrick Olvera, MD's National Provider Identifier (NPI) is 1083364277, issued on Mar 28, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Michael Patrick Olvera, MD located?
The NPPES record lists a practice address at 4501 X St Ste 3016, Sacramento, CA, 95817. Phone: (916) 734-5959. Providers update this record themselves, so call before visiting.
How can I verify Michael Patrick Olvera, MD's license?
NPPES lists California license number A189326, 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 Patrick Olvera, MD prescribe under Medicare Part D?
In 2024, Michael Patrick Olvera, MD had 84 Medicare Part D claims for 30 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.