Masato Nagao, M D PH D
Physical Medicine & Rehabilitation Physician · San Francisco, CA
Masato Nagao, M D PH D is a physical medicine & rehabilitation physician with a practice address in San Francisco, California, and NPI 1588619159, issued on May 23, 2006. Check the license (California A91764, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Masato Nagao
- Credential
- M D PH D
- Primary taxonomy
- Physical Medicine & Rehabilitation Physician 208100000X
- License number
- A91764 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1001 Potrero Avenue, San Francisco, CA 94110
- Phone
- (415) 206-8811
- Enumerated
- May 23, 2006
- Record last updated
- Jan 10, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (415) 647-3733
- Medicaid ID
- 00A917640 CA
- Medicare enrollment
- Enrolled (PECOS I20050909000629); accepts Medicare assignment
- Entity
- Type 1 · individual
Also registered at 1001 Potrero Avenue
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Allison, MDGastroenterology Physician1265535777
- Deborah Anderson, CNMRegistered Nurse1801821053
- Patrick AvilaGastroenterology Physician1114365699
- Amin Azzam, MDPsychiatry Physician1811927395
- Jennifer Babik, MDInternal Medicine Physician1457421208
- Roland Bainton, MDAnesthesiology Physician1376596213
Verify Masato Nagao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A91764Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average physical medicine & rehabilitation physician in 2024
66 Medicare Part D claims for 24 beneficiaries, against an average of 727 among the 7,448 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 21 claims were for opioids.
Most prescribed
- Gabapentin27 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): 91.9 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 4 group practices
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
- Washington Township Medical FoundationFremont, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Physical Medicine & Rehabilitation Physician providers in California
There are 1,549 physical medicine & rehabilitation physician records in California.
Other physical medicine & rehabilitation physician records in California
- Payandeh Abadee, M.D.San Pedro, CA1376557793
- Sherif Abdalla, MDFresno, CA1750563128
- Alexan Abdel-Malek, MDSylmar, CA1457410060
- Alicia Abels, M.D.Folsom, CA1336234442
- Gary Abrams, M.D.San Francisco, CA1346213246
- Michael Acord, MDCosta Mesa, CA1205903101
- Hugh Adams, M.D.Long Beach, CA1962436774
- Lefkos Aftonomos, M.D.San Mateo, CA1972544088
- Haleh Agdassi, M.D.Palo Alto, CA1477664159
- Reena Agrawal, MDPalo Alto, CA1720257520
Common questions
What is Masato Nagao, M D PH D's NPI number?
Masato Nagao, M D PH D's National Provider Identifier (NPI) is 1588619159, issued on May 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Masato Nagao, M D PH D located?
The NPPES record lists a practice address at 1001 Potrero Avenue, San Francisco, CA, 94110. Phone: (415) 206-8811. Providers update this record themselves, so call before visiting.
How can I verify Masato Nagao, M D PH D's license?
NPPES lists California license number A91764, 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 Masato Nagao, M D PH D prescribe under Medicare Part D?
In 2024, Masato Nagao, M D PH D had 66 Medicare Part D claims for 24 beneficiaries; the average among physical medicine & rehabilitation physician prescribers was 727. Part D covers Medicare prescriptions only.
What is Masato Nagao, M D PH D's MIPS final score?
The 2023 MIPS final score is 91.9 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.