Mark Hsu, MD
Urology Physician · Fremont, CA
Mark Hsu, MD is a urology physician with a practice address in Fremont, California, and NPI 1851616486, issued on Apr 7, 2010. Check the license (California A117893, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Mark Hsu
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A117893 CA
Self-reported in NPPES; status is on the state search - Practice location
- 39141 Civic Center Dr Ste 335, Fremont, CA 94538
- Phone
- (510) 248-1414
- Enumerated
- Apr 7, 2010
- Record last updated
- Mar 18, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20160831000805); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 39141 Civic Center Dr Ste 335
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Emily Gentry, PA-CSurgical Physician Assistant1235893645
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- Rakesh Safaya, MDVascular Surgery Physician1144337866
Verify Mark Hsu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A117893Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
6% fewer Medicare Part D claims than the average urology physician in 2024
1,263 Medicare Part D claims for 379 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 60 claims were for opioids.
Most prescribed
- Tamsulosin Hcl304 claims
- Finasteride249 claims
- Myrbetriq128 claims
- Doxazosin Mesylate125 claims
- Cephalexin57 claims
- Hydrocodone-Acetaminophen36 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).
Industry payments in 2024: $428.68
7 payments; by number, the most common kind was food and beverage; the largest payer was Procept BioRobotics 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.
Bills Medicare through 2 group practices
- Alameda Health SystemOakland, 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).
Urology Physician providers in California
There are 1,524 urology physician records in California.
Other urology physician records in California
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- Jason Abber, MDPanorama City, CA1356366926
- Marc Abboud, MDLos Alamitos, CA1265096531
- George AbdelsayedAnaheim, CA1568721843
- Garen AbediDowney, CA1285909051
- Jennifer Abidari, MDStanford, CA1811098197
- Sherif Aboseif, MDOxnard, CA1093882995
- Parwiz Abrahimi, M.D., PH.D.Los Angeles, CA1154857613
- Anthony Acquaviva, MDVallejo, CA1457439283
- Theodore Affue, M.D.El Centro, CA1386674000
Common questions
What is Mark Hsu, MD's NPI number?
Mark Hsu, MD's National Provider Identifier (NPI) is 1851616486, issued on Apr 7, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mark Hsu, MD located?
The NPPES record lists a practice address at 39141 Civic Center Dr Ste 335, Fremont, CA, 94538. Phone: (510) 248-1414. Providers update this record themselves, so call before visiting.
How can I verify Mark Hsu, MD's license?
NPPES lists California license number A117893, 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 Mark Hsu, MD prescribe under Medicare Part D?
In 2024, Mark Hsu, MD had 1,263 Medicare Part D claims for 379 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
What is Mark Hsu, MD'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.