Doctor profile · Federal record
Dr. Mark Hsu, MD
Urology Physician (CMS: Urology) · Fremont, CA
- NPI 1851616486
- Accepts Medicare
- MIPS 83.9 / 100 · 2023
- 16 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
39141 Civic Center Dr Ste 335
Fremont, CA 945385878
(510) 248-1414 - Additional location
-
1541 Florida Ave, Suite 100
Modesto, CA 953504429
(209) 577-3388 - Mailing address
-
2500 Mowry Ave Ste 255
Fremont, CA 945381605
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- March 18, 2019
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 208800000X — NUCC code
- State license (1)
- California #A117893
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851616486. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
2,214
Distinct HCPCS
10
Medicare allowed
$231,120
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 391 | 262 | $108 | |
81003 |
Automated urinalysis test | 339 | 214 | $2 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 332 | 211 | $151 | |
51798 |
Ultrasound measurement of bladder capacity after voiding | 211 | 141 | $14 | |
64566 |
Insertion of lower leg neurostimulator electrode | 126 | 11 | $154 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 113 | 113 | $193 | |
J9217 |
Leuprolide acetate (for depot suspension), 7.5 mg | 110 | 13 | $174 | |
99442 |
Telephone medical discussion with physician, 11-20 minutes | 93 | 71 | $108 | |
52000 |
Diagnostic exam of bladder and urethra using an endoscope | 89 | 77 | $308 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 83 | 83 | $133 |
In context: peer comparison
Among 3 peers in this city , average services per provider: 137. This provider delivers 16× the peer median.Open Payments
Industry payments received
All-time total
$429
Transactions
7
Manufacturers
3
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PROCEPT BioRobotics Corporation | 5 | $407.10 | |
| Astellas Pharma US Inc | 1 | $16.21 | |
| INTUITIVE SURGICAL, INC. | 1 | $5.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
854
Patients
366
Total drug cost
$127,662
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Tamsulosin Hcl | Generic | 237 | 102 | $9,121 |
| Finasteride | Generic | 187 | 74 | $4,208 |
| Myrbetriq (Mirabegron) | Brand | 125 | 36 | $105,981 |
| Doxazosin Mesylate | Generic | 111 | 39 | $2,471 |
| Cephalexin | Generic | 48 | 34 | $220 |
| Estradiol | Generic | 23 | 13 | $2,443 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 22 | 20 | $375 |
| Oxybutynin Chloride Er (Oxybutynin Chloride) | Brand | 19 | 0 | $1,300 |
| Terazosin Hcl | Generic | 16 | 0 | $283 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 14 | 11 | $164 |
Hospital affiliations
Frequently asked questions
What is Dr. Mark Hsu's medical specialty?
Dr. Mark Hsu practices Urology Physician in Fremont, CA.
Where does Dr. Mark Hsu practice?
Dr. Mark Hsu practices at 39141 Civic Center Dr Ste 335, Fremont, CA 945385878. Office phone: 5102481414.
What is Dr. Mark Hsu's NPI?
Dr. Mark Hsu's National Provider Identifier (NPI) is 1851616486, issued by NPPES.
Does Dr. Mark Hsu accept Medicare assignment?
Yes. Dr. Mark Hsu accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Hsu commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Automated urinalysis test (HCPCS 81003); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.