NPPES file of Aug 9, 2026

Alvin J. Yamamoto, M.D.

Diagnostic Radiology Physician · Sacramento, CA

Alvin J. Yamamoto, M.D. is a diagnostic radiology physician with a practice address in Sacramento, California, and NPI 1780616318, issued on Jul 6, 2006. Check the license (California A81370, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780616318
Name
Alvin J. Yamamoto
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License numbers
A81370 CA
230901 MA
Self-reported in NPPES; status is on the state search
Practice location
2025 Morse Ave, Sacramento, CA 95825
Phone
(916) 973-6746
Enumerated
Jul 6, 2006
Record last updated
Jun 27, 2022
Medicaid ID
00A813700 CA
Medicare enrollment
Enrolled (PECOS I20060905000216); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2025 Morse Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Mouner Abouelkhier, RPHPharmacist1164571832
  2. Elijah Abramson, MDEmergency Medicine Physician1992334965
  3. Cynthia Adams, RNMedical-Surgical Registered Nurse1346372190
  4. Jesse Adams, MDHematology & Oncology Physician1851479554
  5. Qudeer Ahmad, BS RRTCritical Care Registered Respiratory Therapist1649742594
  6. Paul Akins, MDNeurology Physician1952489528

Verify Alvin J. Yamamoto in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A81370
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

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The MIPS final score for 2023 (Medicare payment program): 96.5 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score80.3
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $17.72

1 payment: food and beverage; the largest payer was GE Healthcare. The 8,048 providers of this specialty with any payment received $2,488.38 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alvin Yamamoto$17.72
  2. Specialty average$2,488.38

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Dignity Health Medical FoundationRoseville, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Alvin J. Yamamoto among 4,500 diagnostic radiology physician records in California

Alvin J. Yamamoto, 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 fileYes · 70% of these records are
  • Graduated2001 · median 2004 among the 3,130 with a school on file
  • Record last updated2022 · 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.

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Robert Carlisle, MDSacramento, CA 958251720166408
  2. John Delavega, M.D.Sacramento, CA 958251326045212
  3. Pamala Ferron, MDSacramento, CA 958251871671552
  4. Frank Fontaine, MDSacramento, CA 958251386722072
  5. Alex Hongkham, M.D.Sacramento, CA 958251083673172
  6. Steven Khine, MDSacramento, CA 958251578641288
  7. Ronald Moss, MDSacramento, CA 958251063590750
  8. Tom Nguyen, M.D.Sacramento, CA 958251457338816

Common questions

What is Alvin J. Yamamoto, M.D.'s NPI number?

Alvin J. Yamamoto, M.D.'s National Provider Identifier (NPI) is 1780616318, issued on Jul 6, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Alvin J. Yamamoto, M.D. located?

The NPPES record lists a practice address at 2025 Morse Ave, Sacramento, CA, 95825. Phone: (916) 973-6746. Providers update this record themselves, so call before visiting.

How can I verify Alvin J. Yamamoto, M.D.'s license?

NPPES lists California license number A81370, 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 Alvin J. Yamamoto, M.D.'s MIPS final score?

The 2023 MIPS final score is 96.5 of 100. 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.