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LISA MARIE CHARGUALAF-SINGA M.D.
NPI 1255569661
Anesthesiology in Austin, TX

Active since June 24, 2009PECOS EnrolledAccepts Medicare Assignment
12221 N MOPAC EXPY, AUSTIN, TX 78758(925) 378-4022 Get Directions Write a Review

NPPES record last updated: July 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 29, 2021, Jun 9, 2020 (2 updates tracked since 2020).

About Lisa Marie Chargualaf-singa M.d. NPPES

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

LISA MARIE CHARGUALAF-SINGA M.D. (NPI 1255569661) is an individual anesthesiology provider in Austin, Texas, licensed in Texas (T2138) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS, is affiliated with Round Rock Medical Center, and is a graduate of Other (2009).

NPPES Registry Identity

NPI1255569661
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameLISA MARIE CHARGUALAF-SINGACredential: M.D.
Location Address12221 N MOPAC EXPYAustin, TX 78758-2401
Mailing Address2175 N California Blvd Ste 425Walnut Creek, CA 94596-7164 · (925) 543-0140 · Fax (844) 874-6310
Phone(925) 378-4022
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJune 24, 2009
Last NPPES UpdateJuly 29, 20212 updates tracked since enumeration
NPPES CertifiedJuly 29, 2021
✔ NPI 1255569661 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in TX · T2138✔ Licensed in CA · A150055
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.
12221 N MOPAC EXPY, Austin, TX 78758
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Other Names 1

Former Name (1)Lisa Marie Chargualaf M.d.

Accepted Insurance

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

Lisa Marie Chargualaf-singa 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 ID9436421682
PECOS Enrollment IDI20210722003047
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

6

Medicare enrollment records show Lisa Chargualaf-singa reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Austin Anesthesiology Group, PLLC
3.8 mi
Anesthesiology
8140 N MOPAC EXPY STE 3-210
Austin, TX 78759
  • Reassigned Medicare billing, Texas enrollment
  • 840 clinicians in this Medicare group
NPI 1598724304 (512) 343-2292
Austin Gastroenterology Anesthesia Associates PLLC
14 mi
Anesthesiology
4310 JAMES CASEY ST STE 4B
Austin, TX 78745
  • Reassigned Medicare billing, Texas enrollment
  • 175 clinicians in this Medicare group
NPI 1427405810 (800) 242-5080
Emergenchealth PLLC
158 mi
Anesthesiology
4100 INTERNATIONAL PLZ STE 800
Fort Worth, TX 76109
  • Reassigned Medicare billing, Texas enrollment
  • 1,612 clinicians in this Medicare group
NPI 1467970897 (972) 861-1270
Youngs Professional Services LLC
355 mi
Nurse Anesthetist, Certified Registered
1100 ANDRE ST, SUITE 300
New Iberia, LA 70563
  • Reassigned Medicare billing, Texas enrollment
  • 282 clinicians in this Medicare group
NPI 1922178599 (337) 364-9225
Anesthesia Dynamics LLC
938 mi
Anesthesiology
206 2ND ST E
Bradenton, FL 34208
  • Reassigned Medicare billing, Texas enrollment
  • 195 clinicians in this Medicare group
NPI 1073001012 (888) 851-4642
John Muir Trauma Physicians Billing Service
1,482 mi
Trauma Surgery
1601 YGNACIO VALLEY RD
Walnut Creek, CA 94598
  • Reassigned Medicare billing, California enrollment
  • 810 clinicians in this Medicare group
NPI 1962551861 (925) 947-5331

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.

Round Rock Medical Center

Acute Care Hospitals · Round Rock, TX
4/5 CMS rating
OwnershipProprietary
CMS Certification Number450718
Location2400 Round Rock AveRound Rock, TX 78681 · Williamson 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.

Reported Quality Measures

Post-Anesthetic Transfer of Care Measure: Procedure Room to a Post Anesthesia Care Unit (PACU)
Percentage of patients, regardless of age, who are under the care of an anesthesia practitioner and are admitted to a PACU or other non-ICU location in which a post-anesthetic formal transfer of care protocol or checklist which includes the key transfer of…
78%137 patients4/55-star benchmark: 100%
Pre-operative OSA assessment
Percentage of patients who undergo a surgical procedure in the operating room/procedure room that have a pre-operative assessment for Obstructive Sleep Apnea (OSA)
51%605 patients2/55-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.

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.

THE AUSTIN DIAGNOSTIC CLINIC, PLLC
Pathology (Anatomic Pathology & Clinical Pathology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1111
LAUREN VAN ORDEN CCC-SLP
Speech-Language Pathologist
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-6481
JULIE A BELL OTR/L
Occupational Therapist (Physical Rehabilitation)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000
MR. MATTHEW JEFFREY DOHERTY CRNA
Nurse Anesthetist, Certified Registered
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000
FATIMOH OYEDELE MD
Emergency Medicine
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000
DR. TARIQ E THANNOUN MD
Internal Medicine (Interventional Cardiology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 334-8999
RICHARD D. TALLMAN MD
Psychiatry & Neurology (Neurology)
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-4011
DR. BERNARD A. LYNCH M.D.
Obstetrics & Gynecology
12221 N MOPAC EXPY
AUSTIN, TX 78758
Travis County (512) 901-1000

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 Lisa Chargualaf-singa's NPI number?

The NPI number for Lisa Chargualaf-singa is 1255569661. It was assigned to this individual provider in the NPPES registry on June 24, 2009. The provider is also known as Lisa Marie Chargualaf M.D..

Where is Lisa Chargualaf-singa located?

Lisa Chargualaf-singa practices at 12221 N Mopac Expy, Austin, TX 78758. The listed phone number is (925) 378-4022.

What is Lisa Chargualaf-singa's specialty?

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

Is Lisa Chargualaf-singa enrolled in Medicare?

Yes. Lisa Chargualaf-singa 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 Lisa Chargualaf-singa's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lisa Chargualaf-singa reassigns Medicare benefits to 6 organizations: Austin Anesthesiology Group, PLLC (Austin, TX), Austin Gastroenterology Anesthesia Associates PLLC (Austin, TX), Emergenchealth PLLC (Fort Worth, TX), Youngs Professional Services LLC (New Iberia, LA), Anesthesia Dynamics LLC (Bradenton, FL) and 1 more organization, listed in the Medicare section above. 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 Lisa Chargualaf-singa's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lisa Chargualaf-singa accept?

Health plans from Blue Cross and Blue Shield of Texas, Sendero Health Plans, Local Nonprofit and UnitedHealthcare list Lisa Chargualaf-singa 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 Lisa Chargualaf-singa affiliated with any hospitals?

According to CMS data, Lisa Chargualaf-singa is affiliated with Round Rock Medical Center.

When was this NPI record last updated?

The NPPES record for Lisa Chargualaf-singa was last updated on July 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.