Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

XIAOTUAN ZHAO MD
NPI 1285619205
Internal Medicine - Gastroenterology in Tyler, TX

Q: What is Xiaotuan Zhao's NPI number?

The NPI number for Xiaotuan Zhao is 1285619205. It was assigned to this individual provider in the NPPES registry on December 13, 2005.

Q: What is Xiaotuan Zhao's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Q: When was this NPI record last updated?

The NPPES record for Xiaotuan Zhao was last updated on October 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since December 13, 2005PECOS EnrolledAccepts Medicare Assignment

910 E HOUSTON ST STE 550, TYLER, TX 75702(903) 606-8718 Get Directions Write a Review

NPPES record last updated: October 5, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 5, 2026, May 27, 2020, Apr 2, 2020 (3 updates tracked since 2020).

On this page

About Xiaotuan Zhao Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

XIAOTUAN ZHAO MD (NPI 1285619205) is an individual gastroenterology provider in Tyler, Texas, licensed in Texas (M2221) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS, is affiliated with Christus Good Shepherd Medical Center, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1285619205

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameXIAOTUAN ZHAOCredential: MD

Location Address910 E HOUSTON ST STE 550Tyler, TX 75702-8366

Mailing AddressPo Box 846098Dallas, TX 75284-6098 · (903) 324-6400

Phone(903) 606-8718

Sole ProprietorYes

Medical School CMSOtherGraduated 1983

Enumeration DateDecember 13, 2005

Last NPPES UpdateOctober 5, 20263 updates tracked since enumeration

NPPES CertifiedOctober 5, 2026

✔ NPI 1285619205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians

Taxonomy Code207RG0100X

License✔ Licensed in TX · M2221

Definition

An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

910 E HOUSTON ST STE 550, Tyler, TX 75702

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Secondary Practice Locations 2

Location 1910 E Houston St Ste 100Tyler, TX 75702-8363 · Phone (903) 606-8718 · Fax (903) 606-1218

Location 22301 S Clear Creek Rd, Ste 102Killeen, TX 76549-4143 · Phone (254) 519-8490 · Fax (254) 519-8495

Other Identifiers 4

Medicaid175894805TX

Other901094TX · Medicare

Medicaid175894801TX

OtherP02416492TX · Medicare Rail Road

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Xiaotuan Zhao Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5597799627

PECOS Enrollment IDI20050919000907

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Xiaotuan Zhao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Christus Trinity Clinic Texas

0.1 mi

Family Medicine

520 DOUGLAS BLVD
Tyler, TX 75702

Reassigned Medicare billing, Texas enrollment
2,745 clinicians in this Medicare group

NPI 1285684225 (903) 315-4119

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 15

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

400 services223 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

245 services236 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

230 services167 patients

Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43239

This procedure involves using a thin, flexible tube with a light and camera, known as an endoscope, to examine the esophagus, stomach, and upper part of the small intestine. Small tissue samples are taken for further examination to help diagnose various conditions.

180 services174 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

88 services86 patients

Biopsy of large bowel using a flexible endoscope 45380

A biopsy of the large bowel using a flexible endoscope is a procedure where a thin, flexible tube with a camera is inserted through the rectum to examine the bowel. If abnormal tissue is found, a small sample is taken for further examination. This helps in diagnosing conditions like inflammation, polyps, or cancer.

65 services65 patients

Removal of polyps or growths of large bowel using an endoscope with mechanical snare 45385

This procedure involves using a thin, flexible tube called an endoscope to examine the large bowel. If any abnormal growths or polyps are found, a tool called a mechanical snare is used to remove them. This is a common method to prevent potential health issues.

64 services64 patients

Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 99231

Follow-up hospital inpatient care is a daily service where a healthcare professional checks on your health progress during your hospital stay. Each session typically lasts 15 minutes, involving updates on your condition and adjustments to your treatment plan, if necessary.

33 services33 patients

Insertion of guide wire with dilation of esophagus using a flexible endoscope 43248

This is a procedure where a thin tube, called an endoscope, is gently passed through your mouth into your esophagus. A guide wire is then inserted to help widen any narrow areas. This helps improve swallowing and reduce discomfort.

28 services28 patients

Control of bleeding of esophagus, stomach, and/or upper small bowel using a flexible endoscope 43255

This procedure involves using a flexible tube with a light, called an endoscope, to examine and treat bleeding in the esophagus, stomach, or upper small bowel. It's a safe, effective way to control bleeding and ensure your digestive health.

26 services26 patients

Insertion of stomach tube using a flexible endoscope 43246

This procedure involves the use of a flexible endoscope, a thin tube with a light and camera, to insert a stomach tube. It helps doctors view and access your stomach without surgery. It's typically performed under sedation to ensure comfort.

25 services25 patients

Diagnostic exam of large bowel using a flexible endoscope 45378

This procedure, known as a colonoscopy, involves using a flexible tube with a light and camera to examine the large intestine. It helps detect any abnormalities such as polyps or inflammation. It's a standard procedure to ensure gut health.

20 services20 patients

Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk G0121

Colorectal cancer screening, such as a colonoscopy, is a preventive measure to detect early signs of cancer in the large intestine. For individuals not at high risk, it's typically recommended at age 50. A small, flexible tube with a camera is used to examine your colon. It's a safe, effective way to catch issues early.

16 services16 patients

Control of bleeding of upper large bowel using a flexible endoscope 45382

This procedure involves using a flexible endoscope, a thin tube with a light and camera, to view and control bleeding in the upper large bowel. Special tools can be passed through the endoscope to stop the bleeding. It's a minimally invasive way to address this issue.

11 services11 patients

Colorectal cancer screening; colonoscopy on individual at high risk G0105

Colorectal cancer screening, specifically a colonoscopy, is a preventive measure for those at high risk. A thin, flexible tube with a camera inspects the colon to spot any abnormal growths. This test helps detect potential issues early, enhancing the effectiveness of treatment.

11 services11 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Christus Good Shepherd Medical Center

Acute Care Hospitals · Longview, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450032

Location700 E Marshall AveLongview, TX 75601 · Gregg County

Emergency services Birthing friendly

Christus Mother Frances Hospital

Acute Care Hospitals · Tyler, TX

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450102

Location800 East DawsonTyler, TX 75701 · Smith County

Emergency services Birthing friendly

Christus Mother Frances Hospital Sulphur Springs

Acute Care Hospitals · Sulphur Springs, TX

4/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number450236

Location115 Airport RdSulphur Springs, TX 75482 · Hopkins County

Emergency services Birthing friendly

Christus Mother Frances Hospital- Jacksonville

Critical Access Hospitals · Jacksonville, TX

OwnershipVoluntary non-profit - Private

CMS Certification Number451319

Location2026 S Jackson StreetJacksonville, TX 75766 · Cherokee County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 75702 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.40 typical visit price

range $54.84 – $166.88

Typical copayment $31.60 (range $13.71 – $41.72)

Most-billed visit code 99204

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 16

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JACOB G THOELE AGACNP-C

Nurse Practitioner