Dr Gregory C Karnaze, MD - Medicare Interventional Radiology in Austin, TX

Dr Gregory C Karnaze, MD is a medicare enrolled "Radiology - Vascular & Interventional Radiology" physician in Austin, Texas. He went to University Of Kansas School Of Med (kc/wich/sal) and graduated in 1976 and has 48 years of diverse experience with area of expertise as Interventional Radiology. He is a member of the group practice Austin Radiological Association, Singleton Associates Pa and his current practice location is 12554 Riata Vista Cir, Austin, Texas. You can reach out to his office (for appointments etc.) via phone at (512) 795-5100.

Dr Gregory C Karnaze is licensed to practice in Texas (license number G4320) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1245233519.

Contact Information

Dr Gregory C Karnaze, MD
12554 Riata Vista Cir,
Austin, TX 78727-6431
(512) 795-5100
(512) 795-5122

Map and Direction




Physician's Profile

Full NameDr Gregory C Karnaze
GenderMale
SpecialityInterventional Radiology
Experience48 Years
Location12554 Riata Vista Cir, Austin, Texas
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Gregory C Karnaze attended and graduated from University Of Kansas School Of Med (kc/wich/sal) in 1976
  NPI Data:
  • NPI Number: 1245233519
  • Provider Enumeration Date: 05/31/2005
  • Last Update Date: 01/12/2015
  Medicare PECOS Information:
  • PECOS PAC ID: 3678565215
  • Enrollment ID: I20090618000130

Medical Identifiers

Medical identifiers for Dr Gregory C Karnaze such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1245233519NPI-NPPES
300127108OtherRRMCARE2
134424406MedicaidTX
134424404MedicaidTX
300034071OtherRRMCARE
134424405OtherTXCSHCN2
134424403OtherTXCSHCN1

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
2085R0204XRadiology - Vascular & Interventional Radiology G4320 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Ascension Seton Medical Center AustinAustin, TXHospital
St David's Medical CenterAustin, TXHospital
Ascension Seton HaysKyle, TXHospital
St David's South Austin Medical CenterAustin, TXHospital
Seton Medical Center WilliamsonRound rock, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Austin Radiological Association4880686179114
Singleton Associates Pa6305731118681

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Gregory C Karnaze allows following entities to bill medicare on his behalf.
Entity NameSingleton Associates Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1538107875
PECOS PAC ID: 6305731118
Enrollment ID: O20040315000385
Entity NameAustin Radiological Association
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033196464
PECOS PAC ID: 4880686179
Enrollment ID: O20040330000453

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Gregory C Karnaze is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Gregory C Karnaze, MD
12554 Riata Vista Cir,
Austin, TX 78727-6431

Ph: (512) 795-5100
Dr Gregory C Karnaze, MD
12554 Riata Vista Cir,
Austin, TX 78727-6431

Ph: (512) 795-5100

Reviews and Comments


Radiology Doctors in Austin, TX

Jason R. Wallace, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 12554 Riata Vista Circle, Austin, TX 78727
Phone: 512-795-5100    Fax: 512-795-5122
Dr. Gregory Connor, MD
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 12554 Riata Vista Cir, Austin, TX 78727
Phone: 512-795-5100    Fax: 512-795-5122
Dr. Catherine Suchia Wu, MD
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 4101 James Casey Blvd, #100, Austin, TX 78745
Phone: 512-447-2202    Fax: 512-447-5337
Dr. Michael Troy Harper, M.D.
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 12554 Riata Vista Circle, Austin, TX 78727
Phone: 512-795-5100    Fax: 512-795-5122
Ian L. Love, MD
Radiology
Medicare: Not Enrolled in Medicare
Practice Location: 8038 Mesa Dr, Austin, TX 78731
Phone: 512-901-8748    Fax: 512-901-8755
Dr. Bradley Brenner, MD
Radiology
Medicare: Accepting Medicare Assignments
Practice Location: 12554 Riata Vista Cir, Austin, TX 78727
Phone: 512-795-5100    Fax: 512-795-5122
Dr. Gordon A. Witwer, M.D.
Radiology
Medicare: Medicare Enrolled
Practice Location: 12554 Riata Vista Circle, Austin, TX 78727
Phone: 512-795-5100    Fax: 512-795-5122

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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