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SHIRLEY LI AA-S
NPI 1356847867
Anesthesiologist Assistant in Houston, TX

Active since April 03, 2018Accepts 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: May 6, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: May 6, 2020, Oct 22, 2019, Feb 22, 2019 (3 updates tracked since 2019).

About Shirley Li Aa-s NPPES

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

SHIRLEY LI AA-S (NPI 1356847867) is an individual anesthesiologist assistant in Houston, Texas, licensed in Texas (24570609) and active in the NPI registry since April 2018. She is affiliated with Womans Hospital Of Texas,the and is a graduate of Clvlnd Clinic Lerner College Of Med Of Case Wstn Rsv University (2018).

NPPES Registry Identity

NPI1356847867
Entity TypeIndividualFemale
Primary Taxonomy367H00000X
Provider Legal NameSHIRLEY LICredential: AA-S
Location Address1500 CITYWEST BLVD STE 300Houston, TX 77042-2549
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 CMSClvlnd Clinic Lerner College Of Med Of Case Wstn Rsv UniversityGraduated 2018
Enumeration DateApril 3, 2018
Last NPPES UpdateMay 6, 20203 updates tracked since enumeration
NPPES CertifiedMay 6, 2020
✔ NPI 1356847867 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologist AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code367H00000X
Licenses✔ Licensed in TX · 24570609✔ Licensed in MO · 2018017251
Definition
An individual certified by the state to perform anesthesia services under the direct supervision of an anesthesiologist. Anesthesiologist Assistants are required to have a bachelor's degree with a premed curriculum prior to entering a two-year anesthesiology assistant program, which is focused upon the delivery and maintenance of anesthesia care as well as advanced patient monitoring techniques. An Anesthesiologist Assistant must work as a member of the anesthesia care team under the direction of a qualified Anesthesiologist.
1500 CITYWEST BLVD STE 300, Houston, TX 77042
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Accepted Insurance

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

Shirley Li Aa-s 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 ID5395097588
PECOS Enrollment IDI20181017000683

Medicare Billing Reassignments

2

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

Austin Anesthesiology Group PLLC
78 mi
Anesthesiology
1737 BRIARCREST DR STE 14
Bryan, TX 77802
  • Reassigned Medicare billing, Texas enrollment
  • 840 clinicians in this Medicare group
NPI 1528326154 (979) 776-4777
Independent Physicians Network PLLC
223 mi
Anesthesiology
3625 N HALL ST # 800
Dallas, TX 75219
  • Reassigned Medicare billing, Texas enrollment
  • 495 clinicians in this Medicare group
NPI 1396274676 (214) 252-3500

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

Hospital Affiliations CMS Care Compare

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

Womans Hospital Of Texas,the

Acute Care Hospitals · Houston, TX
3/5 CMS rating
OwnershipProprietary
CMS Certification Number450674
Location7600 FanninHouston, TX 77054 · 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.

EDITHA A FLEMMING CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
JAMES NAST TRAHAN AA
Anesthesiologist Assistant
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
ALYSSA CIRILO ESTILL CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
RUSHI DILIP BRAHMBHATT CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-0000
LAUREN KATE NIKOLICH CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (972) 715-5000
DOMINIQUE H NGUYEN MD
Anesthesiology
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
DARLENE MARIE DOBSON
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (713) 620-4000
ERIN R DEPEW CRNA
Nurse Anesthetist, Certified Registered
1500 CITYWEST BLVD STE 300
HOUSTON, TX 77042
Harris County (972) 233-1999

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 Shirley Li's NPI number?

The NPI number for Shirley Li is 1356847867. It was assigned to this individual provider in the NPPES registry on April 3, 2018.

Where is Shirley Li located?

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

What is Shirley Li's specialty?

The primary specialty registered for this NPI is Anesthesiologist Assistant with taxonomy code 367H00000X.

Is Shirley Li enrolled in Medicare?

Yes. Shirley Li 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 Shirley Li's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Shirley Li reassigns Medicare benefits to 2 organizations: Austin Anesthesiology Group PLLC (Bryan, TX) and Independent Physicians Network PLLC (Dallas, 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 Shirley Li's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Shirley Li accept?

Health plans from Blue Cross and Blue Shield of Texas and Molina Healthcare list Shirley Li 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 Shirley Li affiliated with any hospitals?

According to CMS data, Shirley Li is affiliated with Womans Hospital Of Texas,the.

When was this NPI record last updated?

The NPPES record for Shirley Li was last updated on May 6, 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.