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Edit this profileMark Hsu, MD is a healthcare provider in Fremont, CA specializing in urology. According to Medicare claims data, Mark cared for 1,793 Medicare patients across 2,628 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient', and automated urinalysis test. This provider record is associated with NPI 1851616486.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
39141 CIVIC CENTER DR STE 335
Fremont, CA 94538
1541 Florida Ave Suite 100
Modesto, CA 95350
Within Urology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Pediatric urology
Reconstructive and complex
Most searched conditions
Bladder and urethra
Kidney and ureter
Male reproductive and sexual health
Prostate
Urinary symptoms and infection
Bladder & Urination
Kidney health
Men's health
Urinary symptoms
Bladder & bowel
Bladder and urinary
Bladder procedures
Diagnostic imaging
Kidney & ureter procedures
Kidney and ureter surgery
Male reproductive
Office diagnosis
Prostate
Prostate procedures
Reconstructive and pediatric
Stone procedures
Most searched procedures
2,628 services · 1,793 patients · 23 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ultrasound measurement of bladder capacity after voiding | Procedure | 51798 |
197 | More often than most peers in Urology |
| Diagnostic exam of bladder and urethra using an endoscope | Procedure | 52000 |
117 | More often than most peers in Urology |
| Simple insertion of temporary bladder tube | Procedure | 51702 |
61 | More often than most peers in Urology |
| Biopsy of prostate gland | Procedure | 55700 |
20 | As often as other peers in Urology |
| Crushing of stone of ureter with insertion of stent using an endoscope | Procedure | 52356 |
18 | As often as other peers in Urology |
| Simple bladder irrigation and/or instillation | Procedure | 51700 |
18 | Less often than most peers in Urology |
| Electronic assessment of bladder emptying | Procedure | 51741 |
14 | Less often than most peers in Urology |
| Insertion of stent in ureter using an endoscope | Procedure | 52332 |
13 | Less often than most peers in Urology |
| Ultrasound scan of pelvic region through rectum | Imaging | 76872 |
12 | Less often than most peers in Urology |
| Leuprolide acetate (for depot suspension), 7.5 mg | Drug given | J9217 |
76 | Less often than most peers in Urology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Hsu is an urologist in Fremont, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Urology”.
NPI registry
Dr. Hsu is listed at 39141 Civic Center Dr Ste 335, Fremont, CA 94538. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (510) 248-1414. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Hsu's National Provider Identifier is 1851616486. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Hsu attended Other, graduating in 2010. This comes from the CMS National Downloadable File.
CMS public data
Dr. Hsu has 16 years experience. Calculated from a graduation year of 2010, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Hsu performs procedures including ultrasound measurement of bladder capacity after voiding, diagnostic exam of bladder and urethra using an endoscope and simple insertion of temporary bladder tube; reads or performs imaging such as ultrasound scan of pelvic region through rectum, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Hsu. If this is you, claiming it is free.
Guide.md
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