Margaret Eileen Cook, MD - Medicare Nephrology in Austin, TX

Margaret Eileen Cook, MD is a medicare enrolled "Internal Medicine - Nephrology" physician in Austin, Texas. She went to University Of Oklahoma College Of Medicine and graduated in 1980 and has 44 years of diverse experience with area of expertise as Nephrology. She is a member of the group practice The Austin Diagnostic Clinic, Pllc and her current practice location is 12221 N Mopac Expy, Austin, Texas. You can reach out to her office (for appointments etc.) via phone at (512) 901-4010.

Margaret Eileen Cook is licensed to practice in Texas (license number K6827) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1932174299.

Contact Information

Margaret Eileen Cook, MD
12221 N Mopac Expy,
Austin, TX 78758-2401
(512) 901-4010
(512) 901-3910

Map and Direction




Physician's Profile

Full NameMargaret Eileen Cook
GenderFemale
SpecialityNephrology
Experience44 Years
Location12221 N Mopac Expy, Austin, Texas
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Margaret Eileen Cook attended and graduated from University Of Oklahoma College Of Medicine in 1980
  NPI Data:
  • NPI Number: 1932174299
  • Provider Enumeration Date: 02/21/2006
  • Last Update Date: 01/21/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 8426183211
  • Enrollment ID: I20100318000467

Medical Identifiers

Medical identifiers for Margaret Eileen Cook such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932174299NPI-NPPES
045454801MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RN0300XInternal Medicine - Nephrology K6827 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Nna - NorthAustin, TXDialysis facility
North Austin Medical CenterAustin, TXHospital
St David's Medical CenterAustin, TXHospital
Round Rock Medical CenterRound rock, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Austin Diagnostic Clinic, Pllc125424455188

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. Margaret Eileen Cook allows following entities to bill medicare on her behalf.
Entity NameThe Austin Diagnostic Clinic, Pllc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1003259763
PECOS PAC ID: 1254244551
Enrollment ID: O20031112000236

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. Margaret Eileen Cook 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
Margaret Eileen Cook, MD
12221 N Mopac Expy,
Austin, TX 78758-2401

Ph: (512) 901-4010
Margaret Eileen Cook, MD
12221 N Mopac Expy,
Austin, TX 78758-2401

Ph: (512) 901-4010

Reviews and Comments


Internal Medicine Doctors in Austin, TX

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Phone: 512-293-0247    

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.