Donald Steven Combs, PA,PHD
Medical Physician Assistant · Loma Linda, CA
Donald Steven Combs, PA,PHD is a medical physician assistant with a practice address in Loma Linda, California, and NPI 1376657650, issued on Aug 17, 2006. Check the license (California PA20245, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Donald Steven Combs
- Credential
- PA,PHD
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA20245 CA
Self-reported in NPPES; status is on the state search - Practice location
- 24644 Shepardson Dr, Loma Linda, CA 92354
- Phone
- (661) 433-6321
- Enumerated
- Aug 17, 2006
- Record last updated
- Jan 30, 2024
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Verify Donald Steven Combs in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license PA20245Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average medical physician assistant in 2024
14 Medicare Part D claims, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
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.
Donald Steven Combs among 3,376 medical physician assistant records in California
Donald Steven Combs, PA,PHD is one of 3,376 medical physician assistant records with a practice address in California. 69% 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 2% of them.
- NPI issued2006 · 2% of these records are older, 80% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2024 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Loma Linda → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Taylor Battaglia, PA-CLoma Linda, CA 923541104478981
- Jeniffer Cervantes GomezLoma Linda, CA 923541659156966
- Lydia Ghabour, PALoma Linda, CA 923541780329938
- Wesley Harrington, PA-CLoma Linda, CA 923541952732182
- Rachel Holybee, PA-CLoma Linda, CA 923541285922070
- Christina Karras, P.A.-CLoma Linda, CA 923541902116270
- Justin Love, PA-CLoma Linda, CA 923541104006741
- Jared ManriqueLoma Linda, CA 923541497580187
Common questions
What is Donald Steven Combs, PA,PHD's NPI number?
Donald Steven Combs, PA,PHD's National Provider Identifier (NPI) is 1376657650, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Donald Steven Combs, PA,PHD located?
The NPPES record lists a practice address at 24644 Shepardson Dr, Loma Linda, CA, 92354. Phone: (661) 433-6321. Providers update this record themselves, so call before visiting.
How can I verify Donald Steven Combs, PA,PHD's license?
NPPES lists California license number PA20245, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Donald Steven Combs, PA,PHD prescribe under Medicare Part D?
In 2024, Donald Steven Combs, PA,PHD had 14 Medicare Part D claims; the average among medical physician assistant prescribers was 1,148. 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.