Michael Steven Than, M.D.
Family Medicine Physician · Pasadena, CA
Michael Steven Than, M.D. is a family medicine physician with a practice address in Pasadena, California, and NPI 1194980912, issued on Jul 21, 2008. Check the license (California A99817, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Michael Steven Than
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A99817 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3280 E Foothill Blvd, Pasadena, CA 91107
- Phone
- (800) 954-8000
- Enumerated
- Jul 21, 2008
- Record last updated
- Dec 8, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081023000443); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2005
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 3280 E Foothill Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Janet AisoPharmacist1457899171
- Cleo ArakelianMarriage & Family Therapist1235932179
- Natalie Azurdia Castro, LCSWClinical Social Worker1659989184
- Sarah BarnesOrthopedic Physical Therapist1336697044
- Kevin Bromage, M.D.Family Medicine Physician1407111206
- Linda Callahan, LMFTMarriage & Family Therapist1457679136
Verify Michael Steven Than in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A99817Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
27% fewer Medicare Part D claims than the average family medicine physician in 2024
2,570 Medicare Part D claims for 436 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims. 48 claims were for opioids.
Most prescribed
- Atorvastatin Calcium327 claims
- Metformin Hcl Er146 claims
- Rosuvastatin Calcium121 claims
- Losartan Potassium116 claims
- Lisinopril109 claims
- Amlodipine Besylate108 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 GroupLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Michael Steven Than among 17,133 family medicine physician records in California
Michael Steven Than, M.D. is one of 17,133 family medicine 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 2008, is newer than 53% of them.
- NPI issued2008 · 53% of these records are older, 42% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 62% of these records are
- Graduated2005 · median 2005 among the 10,652 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Family Medicine Physician providers in California
There are 17,133 family medicine physician records in California.
All 17,133 in California → Every provider in Pasadena → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Kevin Bromage, M.D.Pasadena, CA 911071407111206
- Earl Canson, M.D, MPHPasadena, CA 911071609173996
- Jenny Li, M.D.Pasadena, CA 911071598812133
- Tammy Liu, D.O.Pasadena, CA 911071740540970
- Phyllis Mo, D.O.Pasadena, CA 911071215376843
- Carlette Novero, MDPasadena, CA 911071245246412
- Susanna SackiteyPasadena, CA 911071427534767
- Marissa Sanchez, MD, MSPasadena, CA 911071427594787
Common questions
What is Michael Steven Than, M.D.'s NPI number?
Michael Steven Than, M.D.'s National Provider Identifier (NPI) is 1194980912, issued on Jul 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Michael Steven Than, M.D. located?
The NPPES record lists a practice address at 3280 E Foothill Blvd, Pasadena, CA, 91107. Phone: (800) 954-8000. Providers update this record themselves, so call before visiting.
How can I verify Michael Steven Than, M.D.'s license?
NPPES lists California license number A99817, 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 Steven Than, M.D. prescribe under Medicare Part D?
In 2024, Michael Steven Than, M.D. had 2,570 Medicare Part D claims for 436 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.