Tony Chen, M.D.
Urology Physician · Stanford, CA
Tony Chen, M.D. is a urology physician with a practice address in Stanford, California, and NPI 1013335512, issued on Apr 1, 2014. Check the license (California A166904, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Tony Chen
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A166904 CA
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (206) 543-3687
- Enumerated
- Apr 1, 2014
- Record last updated
- Apr 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20200626001034); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 2014
- 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 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Fahim Abbasi, M.D.Internal Medicine Physician1841484037
- Mohamad Abbass, MDNeurological Surgery Physician1679492151
Verify Tony Chen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A166904Check 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 urology physician in 2024
510 Medicare Part D claims for 193 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims.
Most prescribed
- Tamsulosin Hcl174 claims
- Finasteride69 claims
- Testosterone44 claims
- Myrbetriq25 claims
- Pentoxifylline25 claims
- Sildenafil Citrate25 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): 76.5 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).
Industry payments in 2024: $501.11
6 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
One hospital affiliation
- Stanford Health CareStanford, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Tony Chen among 1,524 urology physician records in California
Tony Chen, M.D. 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 2014, is newer than 78% of them.
- NPI issued2014 · 78% of these records are older, 20% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2014 · 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 Stanford → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Jennifer Abidari, MDStanford, CA 943051811098197
- Rodney Anderson, MDStanford, CA 943051265443246
- James Brooks, MDStanford, CA 943051043320005
- Benjamin Chung, M.D.Stanford, CA 943051205945920
- Craig Comiter, MDStanford, CA 943051780657171
- Michael Eisenberg, MDStanford, CA 943051508999749
- Harcharan Gill, MDStanford, CA 943051326152422
- Vanessa Gulla, M.D.Stanford, CA 943051376648279
Common questions
What is Tony Chen, M.D.'s NPI number?
Tony Chen, M.D.'s National Provider Identifier (NPI) is 1013335512, issued on Apr 1, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tony Chen, M.D. located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (206) 543-3687. Providers update this record themselves, so call before visiting.
How can I verify Tony Chen, M.D.'s license?
NPPES lists California license number A166904, 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 Tony Chen, M.D. prescribe under Medicare Part D?
In 2024, Tony Chen, M.D. had 510 Medicare Part D claims for 193 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Tony Chen, M.D.'s MIPS final score?
The 2023 MIPS final score is 76.5 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.