James Whittenburg Walker Jr, MD - Medicare Internal Medicine in Amarillo, TX

James Whittenburg Walker Jr, MD is a medicare enrolled "Internal Medicine" physician in Amarillo, Texas. He went to University Of Texas Southwestern Medical School At Dallas and graduated in 1990 and has 34 years of diverse experience with area of expertise as Internal Medicine. He is a member of the group practice Texas Tech University Health Sciences Center Amarillo and his current practice location is 1400 S Coulter St, Amarillo, Texas. You can reach out to his office (for appointments etc.) via phone at (806) 414-9100.

James Whittenburg Walker Jr is licensed to practice in Texas (license number H9584) 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 1144205568.

Contact Information

James Whittenburg Walker Jr, MD
1400 S Coulter St,
Amarillo, TX 79106-1786
(806) 414-9100
(806) 354-5717

Map and Direction




Physician's Profile

Full NameJames Whittenburg Walker Jr
GenderMale
SpecialityInternal Medicine
Experience34 Years
Location1400 S Coulter St, Amarillo, 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:
  • James Whittenburg Walker Jr attended and graduated from University Of Texas Southwestern Medical School At Dallas in 1990
  NPI Data:
  • NPI Number: 1144205568
  • Provider Enumeration Date: 12/08/2005
  • Last Update Date: 09/22/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 8224200381
  • Enrollment ID: I20111013000561

Medical Identifiers

Medical identifiers for James Whittenburg Walker Jr such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1144205568NPI-NPPES
200347260 AMedicaidOK
P089K7726MedicaidTX
132290108MedicaidTX
132290109MedicaidTX
64971589MedicaidNM

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine H9584 (Texas)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Encompass Hospice Of The PanhandleAmarillo, TXHospice
Northwest Texas HospitalAmarillo, TXHospital
Baptist St Anthony's HospitalAmarillo, TXHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Texas Tech University Health Sciences Center Amarillo923403784771

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. James Whittenburg Walker Jr allows following entities to bill medicare on his behalf.
Entity NameTexas Tech University Health Sciences Center Amarillo
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871525840
PECOS PAC ID: 9234037847
Enrollment ID: O20041124000080

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. James Whittenburg Walker Jr 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
James Whittenburg Walker Jr, MD
1400 Wallace Blvd,
Amarillo, TX 79106-1708

Ph: (806) 414-9100
James Whittenburg Walker Jr, MD
1400 S Coulter St,
Amarillo, TX 79106-1786

Ph: (806) 414-9100

Reviews and Comments


Internal Medicine Doctors in Amarillo, TX

James Edward Lusby, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 6700 W 9th Ave, Amarillo, TX 79106
Phone: 806-358-0200    Fax: 806-356-5590
Henry David Bruton, MD
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 6700 W 9th Ave, Amarillo, TX 79106
Phone: 806-358-0200    Fax: 806-356-5511
Dr. Anjali Subhash Kherdekar, MD
Internal Medicine
Medicare: Not Enrolled in Medicare
Practice Location: 12 Care Cir, Amarillo, TX 79124
Phone: 806-353-7417    Fax: 806-353-4007
James P.a. Yhip, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1660 Point West Pkwy, Amarillo, TX 79124
Phone: 806-510-4244    Fax: 806-510-7211
Dr. Michael John Lamanteer, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1600 Wallace Blvd, Amarillo, TX 79106
Phone: 806-212-2129    Fax: 806-212-2246
Thien Toan Vo, M.D.
Internal Medicine
Medicare: Accepting Medicare Assignments
Practice Location: 1400 S Coulter St, Amarillo, TX 79106
Phone: 806-414-9100    Fax: 806-354-5717
John Scott Milton, MD
Internal Medicine
Medicare: Medicare Enrolled
Practice Location: 1400 S Coulter St, Amarillo, TX 79106
Phone: 806-354-5480    Fax: 806-354-5764

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.