Dr. Mark Hsu, MD

  • Fremont, CA
  • Urologist
NPI1851616486PAC ID7618263658
Medicare services, 2024
2,628
Medicare patients, 2024
619
Part D claims, 2024
1,263
MIPS score, 2024
95
Hospital affiliations
4
Practice address
39141 Civic Center Dr, Fremont, CA 94538
Practice phone
Call (510) 248-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Washington Township Medical Foundation

Fremont, California

See all 10 affiliations

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Dr. Mark Hsu is a urologist in Fremont, California

Dr. Hsu practices at Washington Township Medical Foundation in Fremont, California.

Dr. Hsu's NPI, 1851616486, was assigned on April 7, 2010. Dr. Hsu graduated from Stanford University School Of Medicine in 2010. Dr. Hsu holds California license A117893.

NPI and contact details
Medicare PAC ID
7618263658
NPI enumeration date
April 7, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(510) 248-1000
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Mark Hsu practices at Washington Township Medical Foundation in Fremont, California

Dr. Hsu's primary practice is Washington Township Medical Foundation, at 39141 Civic Center Dr, Fremont, CA 94538 in Alameda County. The practice phone is (510) 248-1000.

  • Washington Township Medical Foundation
    39141 Civic Center Dr, Fremont, CA 94538 · Alameda CountyPhone(510) 248-1000

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Mark Hsu is affiliated with 7 sites of care and 3 medical groups

Dr. Hsu's primary practice is Washington Township Medical Foundation in Fremont, California. Dr. Hsu is also affiliated with Washington Health. The medical group on file is Washington Health Medical Group. Dmand AI also links Dr. Hsu to 3 more hospitals, 2 group practices and clinics and 2 medical groups, each named with a free account.

See all 10 affiliations for Dr. Hsu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Mark Hsu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hsu practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Washington Township Medical FoundationAvailable with a free account
+6 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Mark Hsu is one of 1,395 urologists in California

Urology is Dr. Hsu's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Hsu is board certified in urology by the American Board of Urology. Dr. Hsu is licensed in California.

Specialties and state licenses

  • Urology, CaliforniaPrimaryLicense A117893 · 2011 to 2026 · taxonomy 208800000X

Clinical focus

Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery, kidney stone disease and prostate cancer among the conditions Dr. Hsu treats.

Urologists near Dr. Hsu

Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.

1,395urologists in California
6urologists in Fremont

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Mark Hsu billed Medicare for 2,628 services in 2024

CMS data shows 2,628 Medicare services from Dr. Hsu across 23 procedure codes in 2024, for 619 Medicare patients. Medicare paid $177,827 for them.

Medicare services, 20242,628
Medicare patients619
Paid by Medicare$177,827
Procedure codes23

Dr. Hsu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 1,2092024: 1,2423%
Surgery
2023: 4452024: 4583%
Other services
2023: 02024: 447
Lab and pathology
2023: 3392024: 3254%
Drugs given in the office
2023: 1862024: 14423%
Imaging
2023: 162024: 1225%
Tests and treatments
2023: 192024: 0100%

Where Dr. Hsu's Medicare services took place, 2024

  • In an office2,42192%
  • In a facility2078%

Dr. Hsu compared with the California median for urologists, 2024

  • Dr. Hsu
  • California median
Medicare services
2,628vs 1,0502.5 times
Medicare patients
619vs 34679% above
Part D claims
1,119vs 64274% above

Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.

Dr. Hsu's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Hsu

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Mark Hsu treated 619 Medicare patients in 2024, average age 75

CMS counts 619 Medicare patients who saw Dr. Hsu in 2024. The largest group is 65 to 74, with 274 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 41% are also on Medicaid. Their average risk score is 1.46, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Hsu's median patient age at 71, with 19% women.

Medicare patients, 2024619
Average age75
Average risk score1.46
Also on Medicaid41%

Dr. Hsu's Medicare patients by age, 2024

Dr. Hsu's Medicare patients by sex, 2024

  • Women16527%
  • Men45473%

Chronic conditions among Dr. Hsu's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Diabetes43%
  4. Arthritis41%
  5. Chronic kidney disease36%
  6. Ischemic heart disease32%
  7. Heart failure22%
  8. Cancer21%

Share of Medicare patients with each condition. A patient can have several.

Dr. Hsu's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women19%
  • Men80%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Mark Hsu wrote 1,263 Medicare Part D claims in 2024

In 2024, Dr. Hsu wrote 1,263 Medicare Part D claims for 379 patients. 88% of them were for generic drugs. CMS names the drug for 1,119 of them, across 17 drugs with 11 or more claims each, at $157,113 in total drug cost. In 2023, CMS named 854 claims across 14 drugs.

Part D claims, 20241,263
Drugs named by CMS17
Total drug cost$157,113
Part D patients379

Dr. Hsu's Part D claims by kind of drug, 2024

  • Generic1,111 claims88%
  • Brand-name and other152 claims12%

Dr. Hsu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Hsu's Part D claims, 2024

  • Opioids5%60 of 1,263 claims
  • Antibiotics11%142 of 1,263 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 8542024: 1,11931%

Drugs named by CMS: 17 in 2024, 14 in 2023.

See all prescribing by Dr. Hsu

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Mark Hsu scored 95 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Hsu for performance year 2024, reported as part of a group. Dr. Hsu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hsu as offering telehealth. CMS counts 12 procedures of prostate resection by Dr. Hsu, more than 63% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Hsu's MIPS scores, performance year 2024

  • 95of 100Final score
  • 86.9of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 73of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Dr. Hsu ranks in Medicare procedure volume

Prostate resection
63rd percentile12 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

For MedTech and pharma teams

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Dr. Mark Hsu received $9,347 in industry payments from 2016 to 2025

CMS Open Payments shows 117 general payments to Dr. Hsu from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 51% of the total. Boston Scientific Corporation paid the most, $1,646.

General payments to Dr. Hsu by program year, 2016 to 2025

General payments to Dr. Hsu by kind, 2016 to 2025

$9.3Kin total
  • Food and beverage$4,79851%
  • Travel and lodging$4,09244%
  • Education$4575%

Companies that paid Dr. Hsu the most, 2016 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Hsu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Mark Hsu graduated from Stanford University School Of Medicine

Dr. Hsu graduated from Stanford University School Of Medicine in 2010.

  1. Medical schoolStanford University School Of Medicine
  2. Board certified in urologyAmerican Board of Urology

Source: Dmand AI Professional Profile Data

Dr. Mark Hsu accepts plans from 16 insurance carriers

Dr. Hsu is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Elevance
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Humana
  • Regence Health Plans
  • +8 more carriersWith a free account

Plan types Dr. Hsu accepts, by number of carriers

  1. PPO10
  2. Medicare9
  3. HMO6
  4. EPO4
  5. POS4

Source: Dmand AI Insurance Network Data

Sources for Dr. Mark Hsu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Mark Hsu

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Mark Hsu's NPI number?

Dr. Mark Hsu's NPI number is 1851616486. It was assigned on April 7, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Mark Hsu?

Dr. Mark Hsu is a urologist in Fremont, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).

Where does Dr. Mark Hsu practice?

Dr. Hsu practices at 39141 Civic Center Dr, Fremont, CA 94538. Dr. Hsu's primary practice is Washington Township Medical Foundation in Fremont, California. Dmand AI also links Dr. Hsu to 3 hospitals, 2 group practices and clinics and 2 medical groups.

What is Dr. Mark Hsu's office phone number?

The practice phone on file for Dr. Hsu is (510) 248-1000.

What is Dr. Mark Hsu's medical license number?

Dr. Hsu holds California license A117893.

Which hospitals is Dr. Mark Hsu affiliated with?

Dr. Hsu is affiliated with Washington Health. Dmand AI links Dr. Hsu to 3 more hospitals.

What medical group is Dr. Mark Hsu part of?

Dr. Hsu is linked to Washington Health Medical Group. Dmand AI links Dr. Hsu to 2 more medical groups.

Does Dr. Mark Hsu accept Medicare?

Yes. CMS data shows Dr. Hsu billed Medicare for 2,628 services in 2024, and Dr. Hsu accepts Medicare assignment.

Does Dr. Mark Hsu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Hsu as offering telehealth services.

What is Dr. Mark Hsu's MIPS score?

Dr. Hsu's MIPS final score for performance year 2024 is 95 out of 100, reported as part of a group.

Show 8 more questionsShow fewer questions

How many Medicare patients does Dr. Mark Hsu see?

CMS counts 619 Medicare patients who saw Dr. Hsu in 2024, with an average age of 75.

Is Dr. Mark Hsu board certified?

Yes. Dr. Hsu is board certified in urology by the American Board of Urology.

What services does Dr. Mark Hsu bill to Medicare?

In 2024, Dr. Hsu's most billed Medicare services were office visit, established patient (99213), medicare service (G2211) and lab and pathology test (81003).

Where did Dr. Mark Hsu go to medical school?

Dr. Hsu graduated from Stanford University School Of Medicine in 2010.

What drugs does Dr. Mark Hsu prescribe most?

In 2024 Medicare Part D data, Dr. Hsu's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Myrbetriq.

Has Dr. Mark Hsu received payments from drug or device companies?

CMS Open Payments shows $9,347 in general payments to Dr. Hsu from 21 companies from 2016 to 2025. The largest total came from Boston Scientific Corporation.

How long has Dr. Mark Hsu been practicing?

Dr. Hsu graduated from medical school in 2010, 16 years ago.

What insurance does Dr. Mark Hsu accept?

Dr. Hsu is in network with 16 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.

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