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JOE BLUNT BAKER IV M.D.
NPI 1265756233
Radiology - Vascular & Interventional Radiology in Austin, TX

Active since March 19, 2010PECOS EnrolledAccepts Medicare Assignment
12554 RIATA VISTA CIR, AUSTIN, TX 78727(512) 795-5100(512) 795-5122 Get Directions Write a Review

NPPES record last updated: September 16, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 16, 2021, Jun 15, 2018, Jul 5, 2017 and 1 more (4 updates tracked since 2016).

About Joe Blunt Baker Iv M.d. NPPES

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

JOE BLUNT BAKER IV M.D. (NPI 1265756233) is an individual vascular & interventional radiology provider in Austin, Texas, licensed in Illinois (036.140204) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS, is affiliated with Ann & Robert H Lurie Childrens Hospital Of Chicago, and is a graduate of University Of New Mexico School Of Medicine (2010).

NPPES Registry Identity

NPI1265756233
Entity TypeIndividualMale
Primary Taxonomy2085R0204X
Provider Legal NameJOE BLUNT BAKER IVCredential: M.D.
Location Address12554 RIATA VISTA CIRAustin, TX 78727
Mailing Address817 Central AveWilmette, IL 60091-2605 · (505) 715-7477
Phone(512) 795-5100
Fax(512) 795-5122
Sole ProprietorYes
Medical School CMSUniversity Of New Mexico School Of MedicineGraduated 2010
Enumeration DateMarch 19, 2010
Last NPPES UpdateSeptember 16, 20214 updates tracked since enumeration
NPPES CertifiedSeptember 16, 2021
✔ NPI 1265756233 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyRadiology · Vascular & Interventional RadiologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0204X
License✔ Licensed in IL · 036.140204
Definition
A radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
Also ListedRadiology · Pediatric RadiologyTaxonomy 2085P0229X · License R1929 (TX), 036.140204 (IL)
Also ListedRadiology · Diagnostic RadiologyTaxonomy 2085R0202X · License R1929 (TX)
12554 RIATA VISTA CIR, Austin, TX 78727
Open in Google Maps ↗

Other Identifiers 1

Medicaid371577301TX

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

Joe Blunt Baker Iv 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 ID2668613860
PECOS Enrollment IDI20211029001546
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

4

Medicare enrollment records show Joe Baker reassigns Medicare billing to 4 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, Texas enrollment
  • 1,278 clinicians in this Medicare group
NPI 1487811766 (936) 266-2000
Shriners Hospitals For Children
966 mi
Anesthesiology
2211 N OAK PARK AVE
Chicago, IL 60707
  • Reassigned Medicare billing, Illinois enrollment
  • 99 clinicians in this Medicare group
NPI 1326536574 (773) 622-3351
Lurie Children's Medical Group Inc
970 mi
Pediatrics
225 E CHICAGO AVE
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 826 clinicians in this Medicare group
NPI 1518064716 (312) 227-6412

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.

OwnershipVoluntary non-profit - Private
CMS Certification Number143300
Location225 E Chicago Ave, Box 140Chicago, IL 60611 · Cook County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 78727 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
$89.03 typical visit price
range $57.88 – $174.00
Typical copayment $22.25 (range $14.47 – $43.50)
Most-billed visit code 99203
Established Patient
$71.95 typical visit price
range $18.88 – $142.23
Typical copayment $17.98 (range $4.72 – $35.55)
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.

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 Joe Baker's NPI number?

The NPI number for Joe Baker is 1265756233. It was assigned to this individual provider in the NPPES registry on March 19, 2010.

Where is Joe Baker located?

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

What is Joe Baker's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Vascular & Interventional Radiology, with taxonomy code 2085R0204X.

Is Joe Baker enrolled in Medicare?

Yes. Joe Baker 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 Joe Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Joe Baker reassigns Medicare benefits to 4 organizations: Austin Radiological Association (Austin, TX), Singleton Associates PA (Shenandoah, TX), Shriners Hospitals For Children (Chicago, IL) and Lurie Children's Medical Group Inc (Chicago, IL). 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 Joe Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Joe Baker accept?

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

According to CMS data, Joe Baker is affiliated with Ann & Robert H Lurie Childrens Hospital Of Chicago.

When was this NPI record last updated?

The NPPES record for Joe Baker was last updated on September 16, 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.