Samuel L. Washington, MD, MAS
Urology Physician · San Francisco, CA
Samuel L. Washington, MD, MAS is a urology physician with a practice address in San Francisco, California, and NPI 1275890055, issued on Apr 18, 2012. Check the license (California A130105, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Samuel L. Washington
- Credential
- MD, MAS
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A130105 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1825 4TH St FL 6, San Francisco, CA 94143
- Phone
- (281) 630-5228
- Enumerated
- Apr 18, 2012
- Record last updated
- Apr 30, 2024
- Medicare enrollment
- Enrolled (PECOS I20180724002446); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2012
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 1825 4TH St FL 6
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Shreya Agarwal, MDPediatric Hematology & Oncology Physician1841654944
- Hind Al Saif, MDClinical Genetics (M.D.) Physician1831403211
- Yu An, LCGCGenetic Counselor (M.S.)1972116937
- Austin Angelidakis, NPNurse Practitioner1326700287
- Karyn Austin, MD/PHDPediatric Cardiology Physician1639564370
- Serine Avagyan, MD, PHDPediatric Hematology & Oncology Physician1447540547
Verify Samuel L. Washington in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A130105Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average urology physician in 2024
77 Medicare Part D claims for 33 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D.
Most prescribed
- Finasteride18 claims
- Tamsulosin Hcl17 claims
- Oxybutynin Chloride16 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): 74.5 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 3 group practices
- Ucsf Medical Group Business ServicesSan Francisco, CA
- University OF California San FranciscoSan Francisco, CA
- University OF California Sfgh Medical GroupSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Samuel L. Washington among 1,524 urology physician records in California
Samuel L. Washington, MD, MAS is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 72% of them.
- NPI issued2012 · 72% of these records are older, 25% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2012 · median 2003 among the 1,049 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in San Francisco → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Laurence Baskin, M.D.San Francisco, CA 941431891722294
- Anthony Bella, M.D.San Francisco, CA 941431538278569
- Benjamin Breyer, M.D.San Francisco, CA 941431316160211
- Matthew Cooperberg, MDSan Francisco, CA 941431841219326
- Marc Dall'Era, M.D.San Francisco, CA 941431326134859
- Donna Deng, MDSan Francisco, CA 941431396796678
- Catherine Harris, M.D.San Francisco, CA 941431093041626
- Tom Lue, M.D.San Francisco, CA 941431184651820
Common questions
What is Samuel L. Washington, MD, MAS's NPI number?
Samuel L. Washington, MD, MAS's National Provider Identifier (NPI) is 1275890055, issued on Apr 18, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Samuel L. Washington, MD, MAS located?
The NPPES record lists a practice address at 1825 4TH St FL 6, San Francisco, CA, 94143. Phone: (281) 630-5228. Providers update this record themselves, so call before visiting.
How can I verify Samuel L. Washington, MD, MAS's license?
NPPES lists California license number A130105, 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 Samuel L. Washington, MD, MAS prescribe under Medicare Part D?
In 2024, Samuel L. Washington, MD, MAS had 77 Medicare Part D claims for 33 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Samuel L. Washington, MD, MAS's MIPS final score?
The 2023 MIPS final score is 74.5 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.