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XUN ZHAO MD
NPI 1598735441
Internal Medicine in Sugar Land, TX

Active since January 24, 2006PECOS EnrolledAccepts Medicare Assignment
16651 SW FREEWAY #330, SUGAR LAND, TX 77479(281) 265-4168(281) 265-1512 Get Directions Write a Review

NPPES record last updated: January 30, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Xun Zhao Md NPPES

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

XUN ZHAO MD (NPI 1598735441) is an individual internal medicine provider in Sugar Land, Texas, licensed in Texas (L3205) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Houston Methodist Sugarland Hospital, and is a graduate of Other (1982).

NPPES Registry Identity

NPI1598735441
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameXUN ZHAOCredential: MD
Location Address16651 SW FREEWAY #330Sugar Land, TX 77479
Mailing Address16651 Southwest Fwy Ste 330Sugar Land, TX 77479-2348 · (281) 265-4168 · Fax (281) 265-1512
Phone(281) 265-4168
Fax(281) 265-1512
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJanuary 24, 2006
Last NPPES UpdateJanuary 30, 2019
✔ NPI 1598735441 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in TX · L3205
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Accepted Insurance

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

Xun 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 ID2365344736
PECOS Enrollment IDI20040126000177
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 Xun Zhao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Colony Internal Medicine Associates, PA
Internal Medicine
16651 SOUTHWEST FWY STE 330
Sugar Land, TX 77479
  • Reassigned Medicare billing, Texas enrollment
NPI 1386673465 (281) 265-4168

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 8

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.

Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more 99212
This is a routine check-up for patients who have previously seen the doctor. During this 10-19 minute visit, the doctor will review your health status, discuss any concerns, and manage ongoing treatments or medications. It's a chance to ensure your health is on track.
236 services145 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
205 services132 patients
Annual alcohol misuse screening, 5 to 15 minutes G0442
An annual alcohol misuse screening is a 15-minute check-up to assess your drinking habits. It helps identify if you're consuming alcohol in a way that could harm your health. This is not a judgment, but a tool to promote your wellbeing.
205 services205 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
202 services202 patients
Annual depression screening, 5 to 15 minutes G0444
An annual depression screening is a short, routine evaluation to check for signs of depression. It involves answering a series of questions about your feelings, thoughts, and behaviors. The process takes about 15 minutes and helps detect depression early for better management.
193 services193 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
171 services142 patients

Hospital Affiliations CMS Care Compare 2

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

Houston Methodist Sugarland Hospital

Acute Care Hospitals · Sugar Land, TX
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450820
Location16655 Southwest FreewaySugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Memorial Hermann Sugar Land Hospital

Acute Care Hospitals · Sugar Land, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450848
Location17500 W Grand Parkway SouthSugar Land, TX 77479 · Fort Bend County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77479 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.

Referred Medical Equipment & Supplies CMS DME claims 3

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
11 suppliers41 claims83 services$5.73 avg. paid by Medicare
Lancets, per box of 100 A4259
DME-Medical/Surgical Supplies · category DA000N
6 suppliers18 claims20 services$0.78 avg. paid by Medicare
Elevating leg rests, pair (for use with capped rental wheelchair base) K0195
DME-Wheelchairs · category DD021N
3 suppliers14 claims14 services$5.67 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Xun Zhao's NPI number?

The NPI number for Xun Zhao is 1598735441. It was assigned to this individual provider in the NPPES registry on January 24, 2006.

Where is Xun Zhao located?

Xun Zhao practices at 16651 SW Freeway #330, Sugar Land, TX 77479. The listed phone number is (281) 265-4168.

What is Xun Zhao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Xun Zhao enrolled in Medicare?

Yes. Xun Zhao is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Xun Zhao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Xun Zhao reassigns Medicare benefits to Colony Internal Medicine Associates, PA (Sugar Land, TX). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Xun Zhao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Xun Zhao accept?

Health plans from Blue Cross and Blue Shield of Texas and UnitedHealthcare list Xun Zhao as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Xun Zhao affiliated with any hospitals?

According to CMS data, Xun Zhao is affiliated with Houston Methodist Sugarland Hospital and Memorial Hermann Sugar Land Hospital.

When was this NPI record last updated?

The NPPES record for Xun Zhao was last updated on January 30, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 years 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.