Michael A. Takehara, MD
Rheumatology Physician · Fontana, CA
Michael A. Takehara, MD is a rheumatology physician with a practice address in Fontana, California, and NPI 1194884759, issued on Dec 8, 2006. Check the license (California G62290, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael A. Takehara
- Credential
- MD
- Primary taxonomy
- Rheumatology Physician 207RR0500X
- License number
- G62290 CA
Self-reported in NPPES; status is on the state search - Practice location
- 9961 Sierra Ave, Fontana, CA 92335
- Phone
- (909) 427-3910
- Enumerated
- Dec 8, 2006
- Record last updated
- Nov 29, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141104002865); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1985
- Entity
- Type 1 · individual
8 nearest rheumatology physician records → All 926 in California → Look up another NPI →
Also registered at 9961 Sierra Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Berneva Adams, MDObstetrics & Gynecology Physician1376602987
Verify Michael A. Takehara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G62290Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average rheumatology physician in 2024
2,680 Medicare Part D claims for 563 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Hydroxychloroquine Sulfate552 claims
- Methotrexate521 claims
- Prednisone341 claims
- Enbrel104 claims
- Sulfasalazine84 claims
- Leflunomide75 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
- Southern California Permanente Medical GroupFontana, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael A. Takehara among 926 rheumatology physician records in California
Michael A. Takehara, MD is one of 926 rheumatology physician records with a practice address in California. 81% 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 6% of them.
- NPI issued2006 · 6% of these records are older, 55% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated1985 · median 2003 among the 641 with a school on file
- Record last updated2021 · 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 207RR0500X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Rheumatology Physician providers in California
There are 926 rheumatology physician records in California.
All 926 in California → Every provider in Fontana → Rheumatology Physician nationwide →
The 8 rheumatology physician records with the nearest ZIP codes
- Steve Lee, DOFontana, CA 923351336206358
- Antony Lin, MDFontana, CA 923351740349323
- Lilit Pilossyan, MDFontana, CA 923351356753602
- Miten Vasa, M.D.Fontana, CA 923351972769792
- Wayne Yee, MDFontana, CA 923351851449805
- Andre Lallande, D.O.Fontana, CA 923361053471045
- Farshid Bozorgnia, MDColton, CA 923241922493220
- Amir Moldovan, MDSanta Clarita, CA 923211295777837
Common questions
What is Michael A. Takehara, MD's NPI number?
Michael A. Takehara, MD's National Provider Identifier (NPI) is 1194884759, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Michael A. Takehara, MD located?
The NPPES record lists a practice address at 9961 Sierra Ave, Fontana, CA, 92335. Phone: (909) 427-3910. Providers update this record themselves, so call before visiting.
How can I verify Michael A. Takehara, MD's license?
NPPES lists California license number G62290, 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 A. Takehara, MD prescribe under Medicare Part D?
In 2024, Michael A. Takehara, MD had 2,680 Medicare Part D claims for 563 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.