Xishi Tan, M.D.
NPI 1285955591 · Urology Physician · Houston, TX
Enrolled with Medicare as Practitioner - Urology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Xishi Tan, M.D. is a Urology Physician provider in Houston, TX (NPI 1285955591).
Provider details
- NPI number
- 1285955591
- Entity type
- Individual
- Primary specialty
- Urology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- BP10036870 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
15 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
884 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 407 | $91 |
| Ultrasound Measurement of Bladder Capacity After Voiding51798 | 188 | $11 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 122 | $112 |
| Diagnostic Exam of Bladder and Urethra Using an Endoscope52000 | 55 | $229 |
| Initial Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 40 Minutes99221 | 47 | $84 |
| Subsequent Hospital Care With Straightforward Or Low Level of Medical Decision Making, Per Day, If Using Time, at Least 25 Minutes |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Tamsulosin Hcl | 611 | 224 |
| Ciprofloxacin Hcl | 195 | 148 |
| Oxybutynin Chloridebrand: Oxybutynin Chloride Er | 179 | 99 |
| Finasteride | 145 | 55 |
| Nitrofurantoin Monohyd/M-Crystbrand: Nitrofurantoin Mono-Macro | 136 | 105 |
| Solifenacin Succinate | 99 | 45 |
| Testosterone Cypionate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$323 across 11 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-21
- Last updated
- 2025-08-18
- Certified
- 2025-08-18
Frequently asked questions
- What is Xishi Tan's NPI number?
- Xishi Tan's National Provider Identifier (NPI) is 1285955591, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Xishi Tan's specialty?
- Xishi Tan is listed in the NPPES registry with a primary specialty of Urology Physician (Allopathic & Osteopathic Physicians).
- Where is Xishi Tan located?
- Xishi Tan's practice location on file with NPPES is 18220 State Highway 249 Ste 365, Houston, TX 77070-4377.
- What is Xishi Tan's phone number?
- The practice phone number listed in the NPPES registry for Xishi Tan is (281) 737-0930.
- Does Xishi Tan accept Medicare?
- Xishi Tan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Xishi Tan's NPI active?
- Yes — Xishi Tan's NPI (1285955591) is active in the NPPES registry as of the last update on 2025-08-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.