DR. BILL K CHANG MD
NPI 1043321698
Surgery - Vascular Surgery in Houston, TX

Q: What is Bill Chang's NPI number?

The NPI number for Bill Chang is 1043321698. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Q: What is Bill Chang's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Q: When was this NPI record last updated?

The NPPES record for Bill Chang was last updated on May 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.

Active since August 31, 2006PECOS EnrolledAccepts Medicare Assignment

100/100

CMS Quality Rating

1050 GEMINI ST STE 203, HOUSTON, TX 77058(281) 554-8919(281) 554-6045 Get Directions Write a Review

NPPES record last updated: May 17, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: May 17, 2024, Jul 23, 2021 (2 updates tracked since 2021).

On this page

About Dr. Bill K Chang Md NPPES

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

DR. BILL K CHANG MD (NPI 1043321698) is an individual vascular surgery provider in Houston, Texas, licensed in Texas (M3980) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Hca Houston Healthcare Clear Lake, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2000).

NPPES Registry Identity

NPI1043321698

Entity TypeIndividualMale

Primary Taxonomy2086S0129X

Provider Legal NameDR. BILL K CHANGCredential: MD

Location Address1050 GEMINI ST STE 203Houston, TX 77058-2706

Mailing AddressPo Box 58687Webster, TX 77598-8687 · (281) 554-8919 · Fax (281) 554-6045

Phone(281) 554-8919

Fax(281) 554-6045

Sole ProprietorNo

Medical School CMSUniversity Of Texas Southwestern Medical School At DallasGraduated 2000

Enumeration DateAugust 31, 2006

Last NPPES UpdateMay 17, 20242 updates tracked since enumeration

NPPES CertifiedMay 17, 2024

✔ NPI 1043321698 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgery · Vascular SurgeryAllopathic & Osteopathic Physicians

Taxonomy Code2086S0129X

License✔ Licensed in TX · M3980

Definition

A surgeon with expertise in the management of surgical disorders of the blood vessels, excluding the intracranial vessels or the heart.

1050 GEMINI ST STE 203, Houston, TX 77058

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and more.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

Dr. Bill K Chang 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 ID1557463866

PECOS Enrollment IDI20070216000219

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 Reassignments

Medicare enrollment records show Bill Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Bill K Chang MD PA

1.3 mi

Vascular Surgery

560 BLOSSOM ST, SUITE A
Webster, TX 77598

Reassigned Medicare billing, Texas enrollment

NPI 1982803433 (281) 554-8919

Q-Health Partners, PLLC

19 mi

Specialist

7015 ALMEDA RD STE 3
Houston, TX 77054

Reassigned Medicare billing, Texas enrollment
31 clinicians in this Medicare group

NPI 1346647260 (713) 520-6875

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 20

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 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.

332 services172 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.

129 services105 patients

Ultrasound of leg arteries or artery grafts 93925

An ultrasound of leg arteries or artery grafts is a non-invasive imaging test. It uses high-frequency sound waves to capture live images from inside your body, specifically your leg arteries or grafts. This helps in detecting any blockages or abnormalities.

89 services65 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

79 services56 patients

Ultrasonic guidance for blood vessel access 76937

Ultrasonic guidance for blood vessel access is a medical procedure where sound waves are used to create images of your blood vessels. This helps doctors to accurately locate and access the vessels for treatments or tests, ensuring safety and precision.

67 services49 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

61 services60 patients

Ultrasound study of arm or leg veins with compression and maneuvers 93970

An ultrasound study of arm or leg veins with compression and maneuvers is a non-invasive procedure that uses sound waves to create images of your veins. This helps identify blood clots or other vein problems. During the procedure, pressure is applied to the veins and certain movements are performed to assess blood flow.

61 services45 patients

New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204

This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.

52 services52 patients

Review by radiologist of arm or leg artery image 75710

This procedure involves a radiologist examining images of your arm or leg arteries. These images are obtained through a non-invasive method, like an ultrasound or CT scan. The radiologist reviews these images to identify any abnormalities, such as blockages or narrowing, which can affect blood flow.

41 services33 patients

Complete ultrasound of artery and vein blood flow pre-op assessment on side of body for hemodialysis access 93986

This procedure involves using ultrasound technology to evaluate the blood flow in your arteries and veins prior to a hemodialysis access operation. It helps ensure the selected site is suitable for creating a reliable access for dialysis treatment.

33 services32 patients

Insertion of non-tunneled central venous tube for infusion (5 years or older) 36556

This procedure involves placing a thin tube into a large vein, usually in the neck or chest, to administer medication or fluids. It's done under local anesthesia to minimize discomfort. It's a standard, safe procedure for individuals aged 5 and above.

28 services24 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

27 services20 patients

Fluoroscopic guidance for insertion or removal of central vein access device 77001

Fluoroscopic guidance for central vein access device insertion or removal is a procedure where a special X-ray, called a fluoroscope, is used to help accurately place or remove a device in a central vein. This device aids in delivering medications or collecting blood samples.

24 services21 patients

Insertion of tunneled central venous tube for infusion (5 years or older) 36558

The insertion of a tunneled central venous tube is a procedure where a thin, flexible tube is placed into a large vein, usually in the neck or chest. This tube allows healthcare providers to give medications, fluids, or nutrients directly into your bloodstream over a longer period.

23 services19 patients

Relocation of major upper arm vein with connection to arm artery for hemodialysis 36818

This procedure adjusts your upper arm vein's position and connects it to an arm artery to improve blood flow. It's used for hemodialysis, a treatment that cleans your blood when your kidneys can't. It makes the dialysis process more efficient and comfortable.

22 services21 patients

Insertion of needle or tube into artery of arm or leg 36140

This procedure involves inserting a needle or a small tube into an artery in your arm or leg. It's typically done to monitor blood pressure, take blood samples, or administer medication. You may feel a small prick or pressure. It's generally safe with minimal discomfort.

17 services16 patients

Removal of plaque in arteries of leg 37225

This procedure, known as atherectomy, involves clearing out plaque buildup in the leg arteries. Plaque can restrict blood flow, causing discomfort and potential health issues. A special device is inserted into the artery to carefully remove the plaque, improving blood circulation.

15 services13 patients

Review by radiologist of abdominal aorta and both leg arteries image 75630

This procedure involves a radiologist examining images of your abdominal aorta and leg arteries. These images help identify any abnormalities or blockages in the arteries, ensuring proper blood flow for optimal health.

15 services13 patients

Revision of hemodialysis graft 36832

A revision of a hemodialysis graft is a procedure to fix issues with the graft used for dialysis. This can involve clearing blockages or improving blood flow. It helps ensure the graft continues to work effectively for your dialysis treatments.

13 services12 patients

Removal of tunneled central venous tube 36589

A tunneled central venous tube removal is a procedure to take out a long, thin tube that was previously placed in a large vein in your body. This tube helps deliver medication or nutrition. The removal is usually quick and done under local anesthesia.

11 services11 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 Clear Lake

Acute Care Hospitals · Webster, TX

3/5 CMS rating

OwnershipProprietary

CMS Certification Number450617

Location500 W Medical Center BlvdWebster, TX 77598 · Harris County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77058 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

$90.40 typical visit price

range $58.24 – $176.98

Typical copayment $22.60 (range $14.56 – $44.24)

Most-billed visit code 99203

Established Patient

$72.62 typical visit price

range $18.60 – $143.93

Typical copayment $18.15 (range $4.65 – $35.98)

Most-billed visit code 99213

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.

100/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Individually scored

Quality

89.4

Promoting Interoperability

100

Improvement Activities

Reported Quality Measures

Advance Care Plan

100%572 patients5/55-star benchmark: 100%

Documentation of Current Medications in the Medical Record

100%1,964 patients5/55-star benchmark: 100%

e-Prescribing

96%54 patients3/55-star benchmark: 100%

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan

100%965 patients5/55-star benchmark: 100%

Preventive Care and Screening: Screening for High Blood Pressure and Follow-Up Documented

16%1,964 patients2/55-star benchmark: 61%

Preventive Care and Screening: Tobacco Use: Screening and Cessation Intervention

Patients combinedPopulations: 90% · 570 patients

Patients screened: 90% · 570 patients

100%101 patients5/55-star benchmark: 100%

Provide Patients Electronic Access to Their Health Information

100%359 patients5/55-star benchmark: 100%

Use of High-Risk Medications in Older Adults

Lower rates are better for this measure.

Patients appropriateDiagnosis: 1% · 581 patients

Patients totalRate: 1% · 581 patients

0%581 patients5/55-star benchmark: 100%

Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

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 Bill Chang's NPI number?

The NPI number for Bill Chang is 1043321698. It was assigned to this individual provider in the NPPES registry on August 31, 2006.

Where is Bill Chang located?

Bill Chang practices at 1050 Gemini St Ste 203, Houston, TX 77058. The listed phone number is (281) 554-8919.

What is Bill Chang's specialty?

The primary specialty registered for this NPI is Surgery, specializing in Vascular Surgery, with taxonomy code 2086S0129X.

Is Bill Chang enrolled in Medicare?

Yes. Bill Chang 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 organizations bill Medicare for Bill Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Bill Chang reassigns Medicare benefits to 2 organizations: Bill K Chang MD PA (Webster, TX) and Q-Health Partners, PLLC (Houston, TX). Each 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 Bill Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Bill Chang accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections and Ambetter from Superior HealthPlan and 3 other insurers list Bill Chang 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 Bill Chang affiliated with any hospitals?

According to CMS data, Bill Chang is affiliated with Hca Houston Healthcare Clear Lake.

When was this NPI record last updated?

The NPPES record for Bill Chang was last updated on May 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.