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DR. ALEX CHIA CHANG M.D.
NPI 1164759064
Anesthesiology in Houston, TX

Active since November 13, 2009PECOS EnrolledAccepts Medicare Assignment
93.5/100
CMS Quality Rating
1500 CITYWEST BLVD, STE.300, HOUSTON, TX 77042(713) 620-4000(713) 458-4229 Get Directions Write a Review

NPPES record last updated: April 23, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Alex Chia Chang M.d. NPPES

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

DR. ALEX CHIA CHANG M.D. (NPI 1164759064) is an individual anesthesiology provider in Houston, Texas, licensed in Texas (P7749) and active in the NPI registry since November 2009. He is enrolled in Medicare PECOS, is affiliated with Houston Methodist Hospital, and is a graduate of University Of California, San Francisco School Of Medicine (2012).

NPPES Registry Identity

NPI1164759064
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. ALEX CHIA CHANGCredential: M.D.
Location Address1500 CITYWEST BLVD, STE.300Houston, TX 77042-2300
Mailing AddressPo Box 840853Dallas, TX 75284-0853 · (972) 715-5000 · Fax (972) 715-9976
Phone(713) 620-4000
Fax(713) 458-4229
Sole ProprietorNo
Medical School CMSUniversity Of California, San Francisco School Of MedicineGraduated 2012
Enumeration DateNovember 13, 2009
Last NPPES UpdateApril 23, 2020
NPPES CertifiedApril 23, 2020
✔ NPI 1164759064 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in TX · P7749
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
1500 CITYWEST BLVD, Houston, TX 77042
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Other Identifiers 4

Medicaid326095201TX
Other8EA726TX · Blue Cross Blue Shield
Medicaid326095202TX
OtherP01254935TX · Rr Medicare

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Oscar Insurance Company.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. Alex Chia Chang 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 ID1759516560
PECOS Enrollment IDI20131104000754
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 Alex Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

U. S. Anesthesia Partners Of Texas, P.A.,
Same address
Anesthesiology
1500 CITYWEST BLVD, SUITE 300
Houston, TX 77042
  • Reassigned Medicare billing, Texas enrollment
  • Medicare enrollment name: U S Anesthesia Partners Of Texas, PA
  • 3,804 clinicians in this Medicare group
NPI 1548208564 (877) 361-1809

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

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.

Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
21 services21 patients

Hospital Affiliations CMS Care Compare 4

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

Houston Methodist Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450358
Location6565 FanninHouston, TX 77030 · Harris County
Emergency services Birthing friendly

Memorial Hermann Memorial City Hospital

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number450610
Location921 GessnerHouston, TX 77024 · Harris County
Emergency services Birthing friendly

Hca Houston Healthcare West

Acute Care Hospitals · Houston, TX
2/5 CMS rating
OwnershipProprietary
CMS Certification Number450644
Location12141 Richmond AveHouston, TX 77082 · Harris County
Emergency services Birthing friendly

Houston Methodist West Hospital

Acute Care Hospitals · Houston, TX
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number670077
Location18500 Katy FreewayHouston, TX 77094 · Harris County
Emergency services Birthing friendly

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.

93.5/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality97.15
Improvement Activities40
Cost83.57

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.

DANIELLE THERESE GEORGE CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Harris County (713) 620-4000
RODRIQUE DEWYANE NELSON CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Harris County (713) 620-4000
PEDRO NAPOLES CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, SUITE 300
HOUSTON, TX 77042
Harris County (972) 715-5000
GEORGE LOUIS HERLIN MD
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Harris County (713) 620-4000
GREGORY RONALD CURFMAN
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Harris County (713) 620-4000
JENNIFER TERRASAS CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Harris County (713) 620-4000
DR. DON ELDON CHERRY M.D.
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Harris County (713) 620-4000
IGNATIUS PAUL DISTEFANO
Anesthesiology
1500 CITYWEST BLVD, STE. 300
HOUSTON, TX 77042
Harris County (713) 620-4000

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 Alex Chang's NPI number?

The NPI number for Alex Chang is 1164759064. It was assigned to this individual provider in the NPPES registry on November 13, 2009.

Where is Alex Chang located?

Alex Chang practices at 1500 Citywest Blvd Ste.300, Houston, TX 77042. The listed phone number is (713) 620-4000.

What is Alex Chang's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Alex Chang enrolled in Medicare?

Yes. Alex 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 organization bills Medicare for Alex Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alex Chang reassigns Medicare benefits to U. S. Anesthesia Partners Of Texas, P.A., (Houston, 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 Alex Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alex Chang accept?

Health plans from Blue Cross and Blue Shield of Texas and Oscar Insurance Company list Alex 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 Alex Chang affiliated with any hospitals?

According to CMS data, Alex Chang is affiliated with Houston Methodist Hospital, Memorial Hermann Memorial City Hospital, Hca Houston Healthcare West and Houston Methodist West Hospital.

When was this NPI record last updated?

The NPPES record for Alex Chang was last updated on April 23, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.