Alexander Thomas
Obstetrics & Gynecology Physician · Loma Linda, CA
Alexander Thomas is an obstetrics & gynecology physician with a practice address in Loma Linda, California, and NPI 1376108456, issued on May 4, 2019. Check the license (California A177664, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Alexander Thomas
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- A177664 CA
Self-reported in NPPES; status is on the state search - Practice location
- 11234 Anderson St Ste C, Loma Linda, CA 92354
- Phone
- (909) 651-5510
- Enumerated
- May 4, 2019
- Record last updated
- Oct 31, 2023
- Medicare enrollment
- Enrolled (PECOS I20221013002759); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 11234 Anderson St Ste C
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kevin AhnStudent in an Organized Health Care Education/Training Program1396594016
- Catherine Do, MDDiagnostic Radiology Physician1326779166
- Erin Kenney, MD, MPHStudent in an Organized Health Care Education/Training Program1932951712
- Shannon Kiang, MDEmergency Medicine Physician1114582400
- Abraham Kim, MDStudent in an Organized Health Care Education/Training Program1558115634
- Preston KimStudent in an Organized Health Care Education/Training Program1043912017
Verify Alexander Thomas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A177664Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
38 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 34% of 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 2 group practices
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
- Sac Health SystemSan Bernardino, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Alexander Thomas among 5,088 obstetrics & gynecology physician records in California
Alexander Thomas is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2019 · median 2004 among the 2,700 with a school on file
- Record last updated2023 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
59 obstetrics & gynecology physician records list a practice address in Loma Linda
They are 59 of the 4,863 NPPES records with a practice address in Loma Linda, and 5,088 obstetrics & gynecology physician records in California.
All 5,088 in California → Every provider in Loma Linda → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Kevin Balli, M.D.Loma Linda, CA 923541083636260
- Barry Block, M.D.Loma Linda, CA 923541134141328
- Karen Gaio Hansberger, MDLoma Linda, CA 923541710083159
- Yvonne Gollin, M.D.Loma Linda, CA 923541790899300
- Jeffrey Hardesty, M.D.Loma Linda, CA 923541447364062
- Elaine Hart, M.D.Loma Linda, CA 923541396767588
- John Jacobson, M.D.Loma Linda, CA 923541467474650
- Kathleen Lau, M.D.Loma Linda, CA 923541164536702
Common questions
What is Alexander Thomas's NPI number?
Alexander Thomas's National Provider Identifier (NPI) is 1376108456, issued on May 4, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Alexander Thomas located?
The NPPES record lists a practice address at 11234 Anderson St Ste C, Loma Linda, CA, 92354. Phone: (909) 651-5510. Providers update this record themselves, so call before visiting.
How can I verify Alexander Thomas's license?
NPPES lists California license number A177664, 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 Alexander Thomas prescribe under Medicare Part D?
In 2024, Alexander Thomas had 38 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.