NPPES file of Aug 9, 2026

Xishi Tan, M.D.

Urology Physician · Houston, TX

Xishi Tan, M.D. is a urology physician with a practice address in Houston, Texas, and NPI 1285955591, issued on Jun 21, 2010. Check the license (Texas Q5578, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1285955591
Name
Xishi Tan
Credential
M.D.
Primary taxonomy
Urology Physician 208800000X
License numbers
Q5578 TX
BP10036870 TX
Self-reported in NPPES; status is on the state search
Practice location
18220 State Highway 249 Ste 365, Houston, TX 77070
Phone
(281) 737-0930
Enumerated
Jun 21, 2010
Record last updated
Aug 18, 2025
Medicaid ID
361617901 TX
Medicare enrollment
Enrolled (PECOS I20160822000588); accepts Medicare assignment
Medical or professional school
University Of Texas Medical School At San Antonio, 2010
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Xishi Tan in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTexas Medical Board
    Search for license Q5578
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Texas license search

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44% more Medicare Part D claims than the average urology physician in 2024

1,930 Medicare Part D claims for 589 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 48 claims were for opioids.

  1. Xishi Tan1,930
  2. Specialty average1,340

Most prescribed

  1. Tamsulosin Hcl611 claims
  2. Ciprofloxacin Hcl195 claims
  3. Oxybutynin Chloride Er179 claims
  4. Finasteride145 claims
  5. Nitrofurantoin Mono-Macro136 claims
  6. Solifenacin Succinate99 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.

Industry payments in 2024: $323.11

11 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. 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.

  1. Xishi Tan$323.11
  2. Specialty average$3,800.04

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

  1. Houston Methodist Specialty PhysiciansHouston, TX
  2. Tmh Physician Associates PLLCHouston, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Urology Physician providers in Texas

There are 960 urology physician records in Texas.

Other urology physician records in Texas

  1. Scott Aarons, MDBaytown, TX1841386919
  2. Harrison Abrahams, MDArlington, TX1285629881
  3. Sujeet Acharya, MDDallas, TX1962658674
  4. Desmond Adamu, M.D.McAllen, TX1477996585
  5. Oyeyemi Adeniran, NPWaxahachie, TX1922779677
  6. Achankeng Afiadata, M.D.Lubbock, TX1851786321
  7. Monty Aghazadeh, MDHouston, TX1134439086
  8. Diego Aguilar Palacios, M.DEdinburg, TX1447613112
  9. Abdulhadi Akhtar, MDHouston, TX1104271360
  10. Leyla AkhverdiyevaCypress, TX1225590987

Common questions

What is Xishi Tan, M.D.'s NPI number?

Xishi Tan, M.D.'s National Provider Identifier (NPI) is 1285955591, issued on Jun 21, 2010. An NPI identifies a provider in billing; it is not a license.

Where is Xishi Tan, M.D. located?

The NPPES record lists a practice address at 18220 State Highway 249 Ste 365, Houston, TX, 77070. Phone: (281) 737-0930. Providers update this record themselves, so call before visiting.

How can I verify Xishi Tan, M.D.'s license?

NPPES lists Texas license number Q5578, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Xishi Tan, M.D. prescribe under Medicare Part D?

In 2024, Xishi Tan, M.D. had 1,930 Medicare Part D claims for 589 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.

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.