James Akamine, M.D.
Diagnostic Radiology Physician · Upland, CA
James Akamine, M.D. is a diagnostic radiology physician with a practice address in Upland, California, and NPI 1497790125, issued on Jun 17, 2006. Check the license (California G57673, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- James Akamine
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- G57673 CA
Self-reported in NPPES; status is on the state search - Practice location
- 999 San Bernardino RD, Upland, CA 91786
- Phone
- (909) 466-4231
- Enumerated
- Jun 17, 2006
- Entity
- Type 1 · individual
Also registered at 999 San Bernardino RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Lisa AgrasoNeonatal Clinical Nurse Specialist1407700438
- Ahmed Al-WaisiStudent in an Organized Health Care Education/Training Program1871115709
- Donald Alpiner, DOFamily Medicine Physician1811086952
- Alexander ArzooStudent in an Organized Health Care Education/Training Program1891635629
- Liezl Avila, D.O.Emergency Medicine Physician1487064515
- Wendy BarretoGeneral Practice Physician1326683582
Verify James Akamine in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G57673Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
The practice group's Medicare quality score for 2023: 100 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).
Diagnostic Radiology Physician providers in California
There are 4,131 diagnostic radiology physician records in California.
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Common questions
What is James Akamine, M.D.'s NPI number?
James Akamine, M.D.'s National Provider Identifier (NPI) is 1497790125, issued on Jun 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Akamine, M.D. located?
The NPPES record lists a practice address at 999 San Bernardino RD, Upland, CA, 91786. Phone: (909) 466-4231. Providers update this record themselves, so call before visiting.
How can I verify James Akamine, M.D.'s license?
NPPES lists California license number G57673, 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.
What is James Akamine, M.D.'s Medicare quality score?
The 2023 MIPS final score is 100 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), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.