Joshua Adam Seymour, M.D.
Family Medicine Physician · Pasadena, CA
Joshua Adam Seymour, M.D. is a family medicine physician with a practice address in Pasadena, California, and NPI 1609058791, issued on Nov 29, 2007. Check the license (California A100751, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Joshua Adam Seymour
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- A100751 CA
Self-reported in NPPES; status is on the state search - Practice location
- 797 S Fair Oaks Ave, Pasadena, CA 91105
- Phone
- (626) 795-2244
- Enumerated
- Nov 29, 2007
- Record last updated
- May 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 17,133 in California → Look up another NPI →
Also registered at 797 S Fair Oaks Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Derek AsimusPhysician Assistant1659738516
- Lorence Eshoe, MDFamily Medicine Physician1487656807
- Lusanik Galustanian, M.D.Internal Medicine Physician1245597921
- Anne Marie Girard, P.A.Medical Physician Assistant1417103581
- Seema Hanamsagar, MDFamily Medicine Physician1952387581
- Betty Mandela, MD, MPHFamily Medicine Physician1881218154
Verify Joshua Adam Seymour in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A100751Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average family medicine physician in 2024
131 Medicare Part D claims for 93 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims.
Most prescribed
- Cephalexin21 claims
- Azithromycin17 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.
Joshua Adam Seymour among 17,133 family medicine physician records in California
Joshua Adam Seymour, 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 47% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2014 · 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
- Annie Barseghian, MDPasadena, CA 911051134226855
- Gustavo Calleros, MDPasadena, CA 911051346358827
- Lorence Eshoe, MDPasadena, CA 911051487656807
- Bethesda Gee, M.D.Pasadena, CA 911051952378762
- Seema Hanamsagar, MDPasadena, CA 911051952387581
- Victor Luu, M.D.Pasadena, CA 911051437172970
- John Miguel, M.D.Pasadena, CA 911051851484661
- Renee Poole, MDPasadena, CA 911051821268434
Common questions
What is Joshua Adam Seymour, M.D.'s NPI number?
Joshua Adam Seymour, M.D.'s National Provider Identifier (NPI) is 1609058791, issued on Nov 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Joshua Adam Seymour, M.D. located?
The NPPES record lists a practice address at 797 S Fair Oaks Ave, Pasadena, CA, 91105. Phone: (626) 795-2244. Providers update this record themselves, so call before visiting.
How can I verify Joshua Adam Seymour, M.D.'s license?
NPPES lists California license number A100751, 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 Joshua Adam Seymour, M.D. prescribe under Medicare Part D?
In 2024, Joshua Adam Seymour, M.D. had 131 Medicare Part D claims for 93 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.