CASSIE LI XU M.D.
NPI 1770947509
Internal Medicine in Tomball, TX

Active since April 07, 2016PECOS EnrolledAccepts Medicare Assignment
91.66/100
CMS Quality Rating
605 HOLDERRIETH BLVD, TOMBALL, TX 77375(832) 794-0044 Get Directions Write a Review

NPPES record last updated: September 13, 2021. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Sep 13, 2021, Aug 19, 2019 (2 updates tracked since 2019).

About Cassie Li Xu M.d. NPPES

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

CASSIE LI XU M.D. (NPI 1770947509) is an individual internal medicine provider in Tomball, Texas, licensed in Texas (R9704) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Tomball, and maintains a secondary practice location in West Lafayette.

NPPES Registry Identity

NPI1770947509
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameCASSIE LI XUCredential: M.D.
Location Address605 HOLDERRIETH BLVDTomball, TX 77375-6445
Mailing Address605 Holderrieth BlvdTomball, TX 77375-6445 · (832) 794-0044
Sole ProprietorYes
Medical School CMSIndiana University School Of MedicineGraduated 2016
Enumeration DateApril 7, 2016
Last NPPES UpdateSeptember 13, 20212 updates tracked since enumeration
NPPES CertifiedAugust 29, 2021
NPI 1770947509 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License Licensed in TX · R9704
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.
Also ListedHospitalistTaxonomy 208M00000X · License R9704 (TX)
605 HOLDERRIETH BLVD, Tomball, TX 77375

Secondary Practice Location 1

Location 12845 Ashland StWest Lafayette, IN 47906-1509 · Phone (765) 404-0056

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Cassie Li Xu M.d. 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 ID4284963794
PECOS Enrollment IDI20190909003494
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.

Areas of Expertise CMS Part B claims 4

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 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.
463 services178 patients
Hospital discharge day management, more than 30 minutes 99239
Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.
164 services149 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.
122 services111 patients
Initial hospital care with same-day admission and discharge with high level of medical decision making, per day, if using time, at least 85 minutes 99236
This service involves a brief hospital stay for a serious health issue. Patients are admitted and discharged on the same day, typically within 55 minutes. It allows for close monitoring and immediate treatment, ensuring optimal care.
39 services39 patients

Hospital Affiliations CMS Care Compare

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

Hca Houston Healthcare Tomball

Acute Care Hospitals · Tomball, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450670
Location605 HolderriethTomball, TX 77375 · Harris County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77375 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
$134.06 typical visit price
range $58.24 – $176.98
Typical copayment $33.51 (range $14.56 – $44.24)
Most-billed visit code 99204
Established Patient
$102.71 typical visit price
range $18.60 – $143.93
Typical copayment $25.67 (range $4.65 – $35.98)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

91.66/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality88.9
Improvement Activities40
Cost70.34

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.

Portable gaseous oxygen system, rental; includes portable container, regulator, flowmeter, humidifier, cannula or mask, and tubing E0431
DME-Oxygen and Supplies · category DC000N
3 suppliers68 claims69 services$14.34 avg. paid by Medicare
Oxygen concentrator, single delivery port, capable of delivering 85 percent or greater oxygen concentration at the prescribed flow rate E1390
DME-Oxygen and Supplies · category DC002N
3 suppliers84 claims86 services$59.82 avg. paid by Medicare
Portable oxygen concentrator, rental E1392
DME-Oxygen and Supplies · category DC002N
1 supplier12 claims12 services$31.15 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

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

Family Medicine
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Radiology (Diagnostic Radiology)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Emergency Medicine
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Nurse Practitioner
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Internal Medicine (Infectious Disease)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Emergency Medicine
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Pathology (Anatomic Pathology & Clinical Pathology)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375
Nurse Practitioner (Acute Care)
605 HOLDERRIETH BLVD
TOMBALL, TX 77375

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 Cassie Xu's NPI number?

The NPI number for Cassie Xu is 1770947509. It was assigned to this individual provider in the NPPES registry on April 7, 2016.

Where is Cassie Xu located?

Cassie Xu practices at 605 Holderrieth Blvd, Tomball, TX 77375. The listed phone number is (832) 794-0044.

What is Cassie Xu's specialty?

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

Is Cassie Xu enrolled in Medicare?

Yes. Cassie Xu 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.

What insurance does Cassie Xu accept?

Health plans from Blue Cross and Blue Shield of Texas, Molina Healthcare, Oscar Insurance Company, Providence Health Plan and UnitedHealthcare and 1 other insurer list Cassie Xu 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 Cassie Xu affiliated with any hospitals?

According to CMS data, Cassie Xu is affiliated with Hca Houston Healthcare Tomball.

When was this NPI record last updated?

The NPPES record for Cassie Xu was last updated on September 13, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.