James S. Akamine, M.D.
Diagnostic Radiology Physician · Upland, CA
James S. 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 S. 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
- Record last updated
- Aug 27, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (909) 456-1255
- Medicaid ID
- GR0014700 CA
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 4,500 in California → Look up another NPI →
Also registered at 999 San Bernardino RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Wendy BarretoGeneral Practice Physician1326683582
Verify James S. 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 MIPS final score for 2023 (Medicare payment program): 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).
James S. Akamine among 4,500 diagnostic radiology physician records in California
James S. Akamine, M.D. is one of 4,500 diagnostic radiology 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 52% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileNo · 70% of these records are
- Record last updated2007 · 60% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Diagnostic Radiology Physician providers in California
There are 4,500 diagnostic radiology physician records in California.
All 4,500 in California → Every provider in Upland → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- David Berry, M.D.Upland, CA 917861932135886
- Patrick Bryan, M.D.Upland, CA 917861710922448
- Yoon Chang, MDUpland, CA 917861487693958
- David Dang, M.D.Upland, CA 917861679797203
- Saba El Yousef, M.D.Upland, CA 917861124063623
- Sangku Kang, M.D.Upland, CA 917861477580017
- Bartholomew Palenchar, M.D.Upland, CA 917861467497958
- Carl Schultz, M.D.Upland, CA 917861598792236
Common questions
What is James S. Akamine, M.D.'s NPI number?
James S. 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 S. 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 S. 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 S. Akamine, M.D.'s MIPS final 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), 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.