Michael R. Whitmore, D.O.
Internal Medicine Physician · Hesperia, CA
Michael R. Whitmore, D.O. is an internal medicine physician with a practice address in Hesperia, California, and NPI 1508307927, issued on Mar 17, 2017. Check the license (California 20A17236, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael R. Whitmore
- Credential
- D.O.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 20A17236 CA
Self-reported in NPPES; status is on the state search - Practice location
- 17095 Main St, Hesperia, CA 92345
- Phone
- (760) 241-6666
- Enumerated
- Mar 17, 2017
- Record last updated
- Nov 4, 2024
- Medicare enrollment
- Enrolled (PECOS I20210714000560); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2017
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 17095 Main St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Christiansen, PTPhysical Therapist1750543427
- Ziad El-Hajjaoui, M.D.Internal Medicine Physician1376543785
- Asefeh Faraz, NPNurse Practitioner1447402516
- Martha Garcia, PA-CPhysician Assistant1487604427
- Raul Gener, M.D.Family Medicine Physician1558389668
- Artin Gevorkian, MDFamily Medicine Physician1578530291
Verify Michael R. Whitmore in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17236Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.8 times the Medicare Part D claims of the average internal medicine physician in 2024
8,983 Medicare Part D claims for 711 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 373 claims were for opioids.
Most prescribed
- Atorvastatin Calcium577 claims
- Levothyroxine Sodium372 claims
- Lisinopril306 claims
- Amlodipine Besylate295 claims
- Metformin Hcl290 claims
- Gabapentin255 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.
Bills Medicare through one group practice
- Providence Medical FoundationHesperia, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael R. Whitmore among 17,696 internal medicine physician records in California
Michael R. Whitmore, D.O. 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 2017, is newer than 81% of them.
- NPI issued2017 · 81% of these records are older, 16% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2017 · median 2004 among the 11,065 with a school on file
- Record last updated2024 · 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).
9 internal medicine physician records list a practice address in Hesperia
They are 9 of the 836 NPPES records with a practice address in Hesperia, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Hesperia → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Ziad El-Hajjaoui, M.D.Hesperia, CA 923451376543785
- Jacqueline HernandezHesperia, CA 923451871293779
- Ruby Jhaj, M.D.Hesperia, CA 923451962841940
- Rita Miranda, M.D.Hesperia, CA 923451437357258
- Anastacia Rodriguez, DOHesperia, CA 923451467985259
- Arvind Salwan, M.D.Hesperia, CA 923451437230190
- Tetris Ylizah Tan, MDHesperia, CA 923451104506005
- Dustin Wong, DOHesperia, CA 923451255587549
Common questions
What is Michael R. Whitmore, D.O.'s NPI number?
Michael R. Whitmore, D.O.'s National Provider Identifier (NPI) is 1508307927, issued on Mar 17, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Michael R. Whitmore, D.O. located?
The NPPES record lists a practice address at 17095 Main St, Hesperia, CA, 92345. Phone: (760) 241-6666. Providers update this record themselves, so call before visiting.
How can I verify Michael R. Whitmore, D.O.'s license?
NPPES lists California license number 20A17236, 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 R. Whitmore, D.O. prescribe under Medicare Part D?
In 2024, Michael R. Whitmore, D.O. had 8,983 Medicare Part D claims for 711 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.