Maki Aoki, MD, ND
Internal Medicine Physician · San Francisco, CA
Maki Aoki, MD, ND is an internal medicine physician with a practice address in San Francisco, California, and NPI 1093755498, issued on Jun 7, 2006. Check the license (California A142122, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Maki Aoki
- Credential
- MD, ND
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- A142122 CA
256493 MA
1424 OR
Self-reported in NPPES; status is on the state search - Practice location
- 1545 Divisadero St, San Francisco, CA 94143
- Phone
- (415) 353-7900
- Enumerated
- Jun 7, 2006
- Record last updated
- Mar 1, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicaid ID
- 278177 OR
- Medicare enrollment
- Enrolled (PECOS I20160817002974); accepts Medicare assignment
- Medical or professional school
- Oregon Health Sciences University School Of Medicine, 2013
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 1545 Divisadero St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elisabeth Askin, M.D.Internal Medicine Physician1043639503
- Rebecca Berman, M.D.Internal Medicine Physician1770633661
- Selena Chan, D.O.Psychiatry Physician1467795245
- Mike Cheng, M.D.Internal Medicine Physician1144679846
- Melissa ChiangInternal Medicine Physician1609339159
- Geraldine Collins-Bride, NPAdult Health Nurse Practitioner1225128465
Verify Maki Aoki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A142122Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
62% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,204 Medicare Part D claims for 155 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 55 claims were for opioids.
Most prescribed
- Amlodipine Besylate87 claims
- Atorvastatin Calcium73 claims
- Losartan Potassium45 claims
- Lisinopril44 claims
- Hydrochlorothiazide42 claims
- Hydrocodone-Acetaminophen30 claims
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): 91 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).
Bills Medicare through one group practice
- Alameda Health SystemOakland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maki Aoki among 17,696 internal medicine physician records in California
Maki Aoki, MD, ND is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2004 among the 11,065 with a school on file
- Record last updated2019 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,318 internal medicine physician records list a practice address in San Francisco
They are 1,318 of the 38,143 NPPES records with a practice address in San Francisco, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Francisco → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Nathan Bass, MDSan Francisco, CA 941431689638959
- Margaret Fang, MDSan Francisco, CA 941431417911462
- Katherine Julian, MDSan Francisco, CA 941431003879826
- John Kane, MDSan Francisco, CA 941431467416461
- Suneil Koliwad, M.D., PH.D.San Francisco, CA 941431225006687
- Bernard Lo, MDSan Francisco, CA 941431184688137
- Stephen McPhee, MDSan Francisco, CA 941431124082490
- Andrew Posselt, MDSan Francisco, CA 941431235193616
Common questions
What is Maki Aoki, MD, ND's NPI number?
Maki Aoki, MD, ND's National Provider Identifier (NPI) is 1093755498, issued on Jun 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Maki Aoki, MD, ND located?
The NPPES record lists a practice address at 1545 Divisadero St, San Francisco, CA, 94143. Phone: (415) 353-7900. Providers update this record themselves, so call before visiting.
How can I verify Maki Aoki, MD, ND's license?
NPPES lists California license number A142122, 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 Maki Aoki, MD, ND prescribe under Medicare Part D?
In 2024, Maki Aoki, MD, ND had 1,204 Medicare Part D claims for 155 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Maki Aoki, MD, ND's MIPS final score?
The 2023 MIPS final score is 91 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.