Thomas T. Aoki, MD
Endocrinology, Diabetes & Metabolism Physician · Sacramento, CA
Thomas T. Aoki, MD is an endocrinology, diabetes & metabolism physician with a practice address in Sacramento, California, and NPI 1730151655, issued on Feb 3, 2006. Check the license (California G016656, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Thomas T. Aoki
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License number
- G016656 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4150 V St, Sacramento, CA 95817
- Phone
- (916) 734-3730
- Enumerated
- Feb 3, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (916) 734-7953
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 1,131 in California → Look up another NPI →
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Verify Thomas T. Aoki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license G016656Check 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 endocrinology, diabetes & metabolism physician in 2024
23 Medicare Part D claims, against an average of 2,630 among the 8,223 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.
Thomas T. Aoki among 1,131 endocrinology, diabetes & metabolism physician records in California
Thomas T. Aoki, MD is one of 1,131 endocrinology, diabetes & metabolism physician records with a practice address in California. 84% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 54% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2026 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in California
There are 1,131 endocrinology, diabetes & metabolism physician records in California.
All 1,131 in California → Every provider in Sacramento → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Lars Berglund, MD PHDSacramento, CA 958171417929696
- Aili Guo, MDSacramento, CA 958171598822645
- Kent Ishihara, M.D.Sacramento, CA 958171679658280
- Siddika Karakas, M.D.Sacramento, CA 958171386629970
- Erin McCorry, M.D.Sacramento, CA 958171134495146
- James McMonagle, MDSacramento, CA 958171528174901
- Mark Moriwaki, M.D.Sacramento, CA 958171295716090
- Pamela Prescott, MDSacramento, CA 958171205808334
Common questions
What is Thomas T. Aoki, MD's NPI number?
Thomas T. Aoki, MD's National Provider Identifier (NPI) is 1730151655, issued on Feb 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas T. Aoki, MD located?
The NPPES record lists a practice address at 4150 V St, Sacramento, CA, 95817. Phone: (916) 734-3730. Providers update this record themselves, so call before visiting.
How can I verify Thomas T. Aoki, MD's license?
NPPES lists California license number G016656, 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 Thomas T. Aoki, MD prescribe under Medicare Part D?
In 2024, Thomas T. Aoki, MD had 23 Medicare Part D claims; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.