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Dr. Xishi Tan, MD
NPI1285955591PAC ID6406141076
- Medicare services, 2024
- 895
- Medicare patients, 2024
- 461
- Part D claims, 2024
- 1,930
- Publications
- 1
- Hospital affiliations
- 4
- Practice address
- 6550 Fannin St, Houston, TX 77030
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Texas Children's Hospital - Mfm the Methodist Hospital - HOPD
Childrens Hospital outpatient department · Houston, Texas
Find Dr. Tan's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Xishi Tan is a urologist in Houston, Texas
Dr. Tan practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas.
Dr. Tan's NPI, 1285955591, was assigned on June 21, 2010. Dr. Tan graduated from Joe R. & Teresa Lozano Long School of Medicine in 2010. Dr. Tan holds Texas license Q5578.
NPI and contact details
- NPI
- 1285955591NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406141076
- NPI enumeration date
- June 21, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 42
- Medical school graduation
- 2010
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Xishi Tan practices at Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas
Dr. Tan's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD, at 6550 Fannin St, Houston, TX 77030.
- Texas Children's Hospital - Mfm the Methodist Hospital - HOPD6550 Fannin St, Houston, TX 77030
Source: Dmand AI Affiliation Data
Dr. Xishi Tan is affiliated with 5 sites of care and 2 medical groups
Dr. Tan's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dr. Tan is also affiliated with Houston Methodist West Hospital. The medical group on file is Houston Methodist Specialty Physician Group. Dmand AI also links Dr. Tan to 3 more hospitals and 1 medical group, each named with a free account.
Texas Children's Hospital - Mfm the Methodist Hospital - HOPDPrimary
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Xishi Tan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tan practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Texas Children's Hospital - Mfm the Methodist Hospital - HOPD | Available with a free account |
| +4 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Xishi Tan is one of 872 urologists in Texas
Urology is Dr. Tan's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Tan is board certified in urology by the American Board of Urology. Dr. Tan is licensed in Texas.
Specialties and state licenses
- Urology, TexasPrimary
Clinical focus
Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney removal surgery, kidney stone disease, testicular dysfunction and transurethral procedures among the conditions Dr. Tan treats.
Urologists near Dr. Tan
Counts of urologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Xishi Tan billed Medicare for 895 services in 2024
CMS data shows 895 Medicare services from Dr. Tan across 10 procedure codes in 2024, for 461 Medicare patients. Medicare paid $57,651 for them.
Medicare services, 2024895
Medicare patients461
Paid by Medicare$57,651
Procedure codes10
Dr. Tan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5762024: 6035%
- Surgery
- 2023: 2892024: 2697%
- Imaging
- 2023: 112024: 129%
- Drugs given in the office
- 2023: 112024: 11No change
Where Dr. Tan's Medicare services took place, 2024
- In an office80690%
- In a facility8910%
Dr. Tan compared with the Texas median for urologists, 2024
- Dr. Tan
- Texas median
- Medicare services
- 895vs 1,57043% below
- Medicare patients
- 461vs 40015% above
- Part D claims
- 1,809vs 91897% above
Medians across 809 urologists in Texas with Dmand AI profiles that report each measure.
Dr. Tan'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.
Need commercial claims for Dr. Tan?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tan and other urologists in Texas.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Xishi Tan treated 461 Medicare patients in 2024, average age 74
CMS counts 461 Medicare patients who saw Dr. Tan in 2024. The largest group is 65 to 74, with 223 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 7% are also on Medicaid. Their average risk score is 1.54, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Tan's median patient age at 71, with 29% women.
Medicare patients, 2024461
Average age74
Average risk score1.54
Also on Medicaid7%
Dr. Tan's Medicare patients by age, 2024
Dr. Tan's Medicare patients by sex, 2024
- Women12427%
- Men33773%
Chronic conditions among Dr. Tan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Ischemic heart disease47%
- Diabetes38%
- Chronic kidney disease35%
- Atrial fibrillation25%
- Cancer25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tan'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
- Women29%
- Men70%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Xishi Tan wrote 1,930 Medicare Part D claims in 2024
In 2024, Dr. Tan wrote 1,930 Medicare Part D claims for 589 patients. 95% of them were for generic drugs. CMS names the drug for 1,809 of them, across 22 drugs with 11 or more claims each, at $76,686 in total drug cost. In 2023, CMS named 1,585 claims across 21 drugs.
Part D claims, 20241,930
Drugs named by CMS22
Total drug cost$76,686
Part D patients589
Dr. Tan's Part D claims by kind of drug, 2024
- Generic1,825 claims95%
- Brand-name105 claims5%
Dr. Tan'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. Tan's Part D claims, 2024
- Opioids2%48 of 1,930 claims
- Antibiotics24%461 of 1,930 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: 1,5852024: 1,80914%
Drugs named by CMS: 22 in 2024, 21 in 2023.
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
How Dr. Xishi Tan takes part in Medicare
Dr. Tan accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Xishi Tan has 1 publication on record
Dmand AI links 1 paper to Dr. Tan.
Papers1
Recent publications by Dr. Tan
See who Dr. Tan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tan works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Xishi Tan received $1,629 in industry payments from 2016 to 2025
CMS Open Payments shows 69 general payments to Dr. Tan from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Astellas Pharma US Inc paid the most, $275.
General payments to Dr. Tan by program year, 2016 to 2025
General payments to Dr. Tan by kind, 2016 to 2025
$1.6Kin total
- Food and beverage$1,61599%
- Education$141%
Companies that paid Dr. Tan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Xishi Tan graduated from Joe R. & Teresa Lozano Long School of Medicine
Dr. Tan graduated from Joe R. & Teresa Lozano Long School of Medicine in 2010.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Xishi Tan accepts plans from 13 insurance carriers
Dr. Tan is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Cigna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Cigna
- HCSC
- Aetna
- Blue Cross Blue Shield of Massachusetts
- Molina
- Regence Health Plans
- +5 more carriersWith a free account
Plan types Dr. Tan accepts, by number of carriers
- Medicare8
- PPO8
- HMO7
- EPO2
- POS2
Source: Dmand AI Insurance Network Data
Sources for Dr. Xishi Tan's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Xishi Tan
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. Xishi Tan's NPI number?
Dr. Xishi Tan's NPI number is 1285955591. It was assigned on June 21, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Xishi Tan?
Dr. Xishi Tan is a urologist in Houston, Texas. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Xishi Tan practice?
Dr. Tan practices at 6550 Fannin St, Houston, TX 77030. Dr. Tan's primary practice is Texas Children's Hospital - Mfm the Methodist Hospital - HOPD in Houston, Texas. Dmand AI also links Dr. Tan to 3 hospitals and 1 medical group.
What is Dr. Xishi Tan's medical license number?
Dr. Tan holds Texas license Q5578.
Which hospitals is Dr. Xishi Tan affiliated with?
Dr. Tan is affiliated with Houston Methodist West Hospital. Dmand AI links Dr. Tan to 3 more hospitals.
What medical group is Dr. Xishi Tan part of?
Dr. Tan is linked to Houston Methodist Specialty Physician Group. Dmand AI links Dr. Tan to 1 more medical group.
Does Dr. Xishi Tan accept Medicare?
Yes. CMS data shows Dr. Tan billed Medicare for 895 services in 2024, and Dr. Tan accepts Medicare assignment.
How many Medicare patients does Dr. Xishi Tan see?
CMS counts 461 Medicare patients who saw Dr. Tan in 2024, with an average age of 74.
Is Dr. Xishi Tan board certified?
Yes. Dr. Tan is board certified in urology by the American Board of Urology.
What services does Dr. Xishi Tan bill to Medicare?
In 2024, Dr. Tan's most billed Medicare services were office visit, established patient (99213), surgery: urinary system (51798) and office visit, new patient (99203).
Show 6 more questionsShow fewer questions
Where did Dr. Xishi Tan go to medical school?
Dr. Tan graduated from Joe R. & Teresa Lozano Long School of Medicine in 2010.
What drugs does Dr. Xishi Tan prescribe most?
In 2024 Medicare Part D data, Dr. Tan's most prescribed drugs by claims were Tamsulosin HCl, Ciprofloxacin HCl and Oxybutynin Chloride ER.
Has Dr. Xishi Tan received payments from drug or device companies?
CMS Open Payments shows $1,629 in general payments to Dr. Tan from 29 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Xishi Tan been practicing?
Dr. Tan graduated from medical school in 2010, 16 years ago.
Does Dr. Xishi Tan do research?
Dmand AI links 1 publication to Dr. Tan.
What insurance does Dr. Xishi Tan accept?
Dr. Tan is in network with 13 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Cigna. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.
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