Chase Kiyoshi Ruano
Physician Assistant · San Francisco, CA
Chase Kiyoshi Ruano is a physician assistant with a practice address in San Francisco, California, and NPI 1538837521, issued on Sep 2, 2021. Check the license (California 63161, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Chase Kiyoshi Ruano
- Primary taxonomy
- Physician Assistant 363A00000X
- License number
- 63161 CA
Self-reported in NPPES; status is on the state search - Practice location
- 450 Sutter St RM 400, San Francisco, CA 94108
- Phone
- (415) 900-3000
- Enumerated
- Sep 2, 2021
- Record last updated
- Mar 4, 2024
- Fax
- (415) 900-3001
- Medicare enrollment
- Enrolled (PECOS I20240110001366); accepts Medicare assignment
- Medical or professional school
- University Of Washington School Of Medicine, 2022
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 450 Sutter St RM 400
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ajith MaligeSports Medicine (Orthopaedic Surgery) Physician1538694138
- Neil Pathare, M.D.Sports Medicine (Orthopaedic Surgery) Physician1659532893
Verify Chase Kiyoshi Ruano in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 63161Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average physician assistant in 2024
65 Medicare Part D claims for 31 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 27 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen24 claims
- Ondansetron Hcl13 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.
Bills Medicare through one group practice
- Permanente Medical Group IncSanta Clara, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chase Kiyoshi Ruano among 14,451 physician assistant records in California
Chase Kiyoshi Ruano is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 67% of them.
- NPI issued2021 · 67% of these records are older, 27% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2022 · median 2018 among the 7,214 with a school on file
- Record last updated2024 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Physician Assistant providers in California
There are 14,451 physician assistant records in California.
All 14,451 in California → Every provider in San Francisco → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Joseph Chiera, P.A.San Francisco, CA 941081992172571
- Austin Davis-Hunter, PASan Francisco, CA 941081275255994
- Kimberly Derkach, PA-CSan Francisco, CA 941081588113518
- Natalie EngSan Francisco, CA 941081073164166
- Wesley Insko, PASan Francisco, CA 941081578318564
- Amy Kim, PA-CSan Francisco, CA 941081942846050
- Matthew Mabida, PA-CSan Francisco, CA 941081306559299
- Fiona Miao, PA-CSan Francisco, CA 941081831969310
Common questions
What is Chase Kiyoshi Ruano's NPI number?
Chase Kiyoshi Ruano's National Provider Identifier (NPI) is 1538837521, issued on Sep 2, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Chase Kiyoshi Ruano located?
The NPPES record lists a practice address at 450 Sutter St RM 400, San Francisco, CA, 94108. Phone: (415) 900-3000. Providers update this record themselves, so call before visiting.
How can I verify Chase Kiyoshi Ruano's license?
NPPES lists California license number 63161, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Chase Kiyoshi Ruano prescribe under Medicare Part D?
In 2024, Chase Kiyoshi Ruano had 65 Medicare Part D claims for 31 beneficiaries; the average among physician assistant prescribers was 830. 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.