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DR. GAEL LONERGAN MD
NPI 1700880549
Radiology - Pediatric Radiology in Austin, TX

Active since June 09, 2005PECOS EnrolledAccepts Medicare Assignment
92.71/100
CMS Quality Rating
12554 RIATA VISTA CIR, AUSTIN, TX 78727(512) 795-5100(512) 795-5122 Get Directions Write a Review

NPPES record last updated: January 12, 2015. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Dr. Gael Lonergan Md NPPES

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

DR. GAEL LONERGAN MD (NPI 1700880549) is an individual pediatric radiology provider in Austin, Texas, licensed in Texas (J2661) and active in the NPI registry since June 2005. She is enrolled in Medicare PECOS and is a graduate of Other (1985).

NPPES Registry Identity

NPI1700880549
Entity TypeIndividualFemale
Primary Taxonomy2085P0229X
Provider Legal NameDR. GAEL LONERGANCredential: MD
Location Address12554 RIATA VISTA CIRAustin, TX 78727-6431
Mailing Address12554 Riata Vista CirAustin, TX 78727-6431 · (512) 795-5100 · Fax (512) 795-5122
Phone(512) 795-5100
Fax(512) 795-5122
Sole ProprietorNo
Medical School CMSOtherGraduated 1985
Enumeration DateJune 9, 2005
Last NPPES UpdateJanuary 12, 2015
✔ NPI 1700880549 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Pediatric RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085P0229X
License✔ Licensed in TX · J2661
Definition
A radiologist who is proficient in all forms of diagnostic imaging as it pertains to the treatment of diseases in the newborn, infant, child and adolescent. This specialist has knowledge of both imaging and interventional procedures related to the care and management of diseases of children. A pediatric radiologist must be highly knowledgeable of all organ systems as they relate to growth and development, congenital malformations, diseases peculiar to infants and children and diseases that begin in childhood but cause substantial residual impairment in adulthood.
12554 RIATA VISTA CIR, Austin, TX 78727
Open in Google Maps ↗

Other Identifiers 9

Medicare UPINF33837
Medicare PIN8A5617TX
Medicaid039691304TX
Other039691306TX · Cshcn1
OtherP00070657Rrmcare
Other039691308TX · Cshcn2
Medicaid039691303TX
OtherP00282580Rrmcare2
Medicare PIN8A5616TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Arizona, Harbor Health 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. Gael Lonergan 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 ID5991768384
PECOS Enrollment IDI20041106000124, I20250728001051
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

5

Medicare enrollment records show Gael Lonergan reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Austin Radiological Association
Same address
Radiology
12554 RIATA VISTA CIR
Austin, TX 78727
  • Reassigned Medicare billing, Texas enrollment
  • 187 clinicians in this Medicare group
NPI 1033196464 (512) 795-5100
Singleton Associates PA
138 mi
Diagnostic Radiology
9250 PINECROFT DR
Shenandoah, TX 77380
  • Reassigned Medicare billing, Oregon and Texas enrollments
  • Also billed through NPI 1487811766 (Texas)
  • 10 clinicians in this Medicare group
NPI 1538107875 (915) 264-3174
Banner Imaging Services LLC
840 mi
Diagnostic Radiology
1828 E FLORENCE BLVD BLDG B, SUITE 118 & 128
Casa Grande, AZ 85122
  • Reassigned Medicare billing, Arizona enrollment
  • 211 clinicians in this Medicare group
NPI 1841846920 (480) 610-7400
Sonoran Radiology Ltd
855 mi
Vascular & Interventional Radiology
1400 S DOBSON RD
Mesa, AZ 85202
  • Reassigned Medicare billing, Oregon, Texas and Utah enrollments
  • 13 clinicians in this Medicare group
NPI 1033745708 (623) 299-8743
Associated Valley Radiologists Ltd
875 mi
Diagnostic Radiology
5605 W EUGIE AVE STE 110
Glendale, AZ 85304
  • Reassigned Medicare billing, Arizona, Oregon, Texas and Utah enrollments
  • 214 clinicians in this Medicare group
NPI 1932683257 (888) 571-7818

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.

X-ray of chest, 1 view 71045
A chest X-ray, 1 view, is a quick, painless test that produces images of the structures within your chest, such as your heart, lungs, and blood vessels. It helps in diagnosing conditions like pneumonia, heart problems, or lung cancer. You'll stand in front of a machine that emits X-rays, which pass through your body to create the image.
54 services54 patients

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.

92.71/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality91.42
Improvement Activities40

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.

DR. GREGORY CONNOR MD
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100
AUSTIN RADIOLOGICAL ASSOCIATION
Clinic/Center (Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100
DR. BRADLEY BRENNER MD
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100
DR. MAEGAN KELLIE GARCIA LAZAGA M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100
ERIC EDWARD MAHLMANN
Physician Assistant
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100
SETH D. O'BRIEN M.D.
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100
KAETHAN BYSANI DO
Radiology (Diagnostic Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100
MICHAEL A. JAIMES M.D.
Radiology (Vascular & Interventional Radiology)
12554 RIATA VISTA CIR
AUSTIN, TX 78727
Travis County (512) 795-5100

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 Gael Lonergan's NPI number?

The NPI number for Gael Lonergan is 1700880549. It was assigned to this individual provider in the NPPES registry on June 9, 2005.

Where is Gael Lonergan located?

Gael Lonergan practices at 12554 Riata Vista Cir, Austin, TX 78727. The listed phone number is (512) 795-5100.

What is Gael Lonergan's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Pediatric Radiology, with taxonomy code 2085P0229X.

Is Gael Lonergan enrolled in Medicare?

Yes. Gael Lonergan 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 Gael Lonergan's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gael Lonergan reassigns Medicare benefits to 5 organizations: Austin Radiological Association (Austin, TX), Singleton Associates PA (Shenandoah, TX), Banner Imaging Services LLC (Casa Grande, AZ), Sonoran Radiology Ltd (Mesa, AZ) and Associated Valley Radiologists Ltd (Glendale, AZ). 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 Gael Lonergan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gael Lonergan accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, Harbor Health, Oscar Health Plan, Inc. and Oscar Insurance Company and 1 other insurer list Gael Lonergan 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.

When was this NPI record last updated?

The NPPES record for Gael Lonergan was last updated on January 12, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.