Stephen T. Sparks, MD
Occupational Medicine Physician · Moreno Valley, CA
Stephen T. Sparks, MD is an occupational medicine physician with a practice address in Moreno Valley, California, and NPI 1326292640, issued on Nov 13, 2008. Check the license (California G56785, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Stephen T. Sparks
- Credential
- MD
- Primary taxonomy
- Occupational Medicine Physician 2083X0100X
- License number
- G56785 CA
Self-reported in NPPES; status is on the state search - Practice location
- 14375 Nason St., Moreno Valley, CA 92555
- Phone
- (951) 486-5984
- Enumerated
- Nov 13, 2008
- Record last updated
- Nov 13, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (951) 486-4295
- Medicare enrollment
- Enrolled (PECOS I20210817004114); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Dentistry, 1984
- Entity
- Type 1 · individual
8 nearest occupational medicine physician records → All 415 in California → Look up another NPI →
Verify Stephen T. Sparks in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G56785Check 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 occupational medicine physician in 2024
11 Medicare Part D claims, against an average of 794 among the 463 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% 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 one group practice
- Newstart Medical Group IncWeimar, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen T. Sparks among 415 occupational medicine physician records in California
Stephen T. Sparks, MD is one of 415 occupational medicine physician records with a practice address in California. 30% 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 69% of them.
- NPI issued2008 · 69% of these records are older, 24% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 12% of these records are
- Graduated1984 · median 1995 among the 51 with a school on file
- Record last updated2008 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2083X0100X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Occupational Medicine Physician providers in California
There are 415 occupational medicine physician records in California.
All 415 in California → Every provider in Moreno Valley → Occupational Medicine Physician nationwide →
The 8 occupational medicine physician records with the nearest ZIP codes
- Zizhuang Li, M.D.Moreno Valley, CA 925531578762704
- Christopher Holmes, MEDICAL DOCTORTemecula, CA 925901083710669
- Zaid Al-Faham, M.D., MPHRiverside, CA 925071871858910
- Howard Waters, M.D.Riverside, CA 925071639188899
- Craig Clark, PA-CRiverside, CA 925061952015802
- William Montgomery, MDRiverside, CA 925061033139266
- Dana Johnson, MDRiverside, CA 925051689734857
- Gerald West Jr., MDRiverside, CA 925051194873182
Common questions
What is Stephen T. Sparks, MD's NPI number?
Stephen T. Sparks, MD's National Provider Identifier (NPI) is 1326292640, issued on Nov 13, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Stephen T. Sparks, MD located?
The NPPES record lists a practice address at 14375 Nason St., Moreno Valley, CA, 92555. Phone: (951) 486-5984. Providers update this record themselves, so call before visiting.
How can I verify Stephen T. Sparks, MD's license?
NPPES lists California license number G56785, 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 Stephen T. Sparks, MD prescribe under Medicare Part D?
In 2024, Stephen T. Sparks, MD had 11 Medicare Part D claims; the average among occupational medicine physician prescribers was 794. 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.