James Alvin Bartley, MD, PH.D.
Clinical Genetics (M.D.) Physician · Riverside, CA
James Alvin Bartley, MD, PH.D. is a clinical genetics (m.d.) physician with a practice address in Riverside, California, and NPI 1184620411, issued on Jun 22, 2005. Check the license (California G31441, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Alvin Bartley
- Credential
- MD, PH.D.
- Primary taxonomy
- Clinical Genetics (M.D.) Physician 207SG0201X
- License number
- G31441 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4000 14TH St, Riverside, CA 92501
- Phone
- (909) 633-6578
- Enumerated
- Jun 22, 2005
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (909) 533-2342
- Medicaid ID
- G314410 CA
- Entity
- Type 1 · individual
Also registered at 4000 14TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Hilario Marilao, M.D.Specialist1568502425
- Norman Snyder, MDDiagnostic Radiology Physician1316948110
- Trinh Tang, MDInternal Medicine Physician1326014986
- Juanita Wielenga, CNMAdvanced Practice Midwife1982752895
Verify James Alvin Bartley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G31441Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average clinical genetics (m.d.) physician in 2024
28 Medicare Part D claims for 14 beneficiaries, against an average of 59 among the 193 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Clinical Genetics (M.D.) Physician providers in California
There are 151 clinical genetics (m.d.) physician records in California.
Other clinical genetics (m.d.) physician records in California
- Sridevi Abboy, MDLos Angeles, CA1962688853
- Syed Ahmed, MDRiverside, CA1538217310
- Hind Al Saif, MDSan Francisco, CA1831403211
- Walla Al-Hertani, M.D.Orange, CA1104395656
- Alicia Aycinena, M.D.San Francisco, CA1548654908
- Ronald Bachman, MDOakland, CA1023197167
- Daniah Beleford, MD, PHDSacramento, CA1841634805
- Joann Bergoffen, MDSan Jose, CA1861566465
- Sucheta Bhatt, M.D.Orange, CA1578606505
- Lynne Bird, M.D.San Diego, CA1487725230
Common questions
What is James Alvin Bartley, MD, PH.D.'s NPI number?
James Alvin Bartley, MD, PH.D.'s National Provider Identifier (NPI) is 1184620411, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is James Alvin Bartley, MD, PH.D. located?
The NPPES record lists a practice address at 4000 14TH St, Riverside, CA, 92501. Phone: (909) 633-6578. Providers update this record themselves, so call before visiting.
How can I verify James Alvin Bartley, MD, PH.D.'s license?
NPPES lists California license number G31441, 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 James Alvin Bartley, MD, PH.D. prescribe under Medicare Part D?
In 2024, James Alvin Bartley, MD, PH.D. had 28 Medicare Part D claims for 14 beneficiaries; the average among clinical genetics (m.d.) physician prescribers was 59. Part D covers Medicare prescriptions only.
What is James Alvin Bartley, MD, PH.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.