Dr Mckenna Alexis Williamson, DO - Medicare Obstetrics & Gynecology in Austin, TX

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Dr Mckenna Alexis Williamson, DO is a medicare enrolled "Obstetrics & Gynecology" physician in Austin, Texas. Her current practice location is 4315 James Casey St Ste 105, Austin, Texas. You can reach out to her office (for appointments etc.) via phone at (512) 383-9752.

Dr Mckenna Alexis Williamson is licensed to practice in Texas (license number T6413) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1225527773.

Contact Information

Dr Mckenna Alexis Williamson, DO
4315 James Casey St Ste 105,
Austin, TX 78745-3364
(512) 383-9752
(512) 406-7336

Map and Direction




Physician's Profile

Full NameDr Mckenna Alexis Williamson
GenderFemale
SpecialityObstetrics & Gynecology
Location4315 James Casey St Ste 105, Austin, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1225527773
  • Provider Enumeration Date: 05/09/2018
  • Last Update Date: 03/07/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 5092063164
  • Enrollment ID: I20220908001781

Medical Identifiers

Medical identifiers for Dr Mckenna Alexis Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1225527773NPI-NPPES
T6413OtherTXPHYSICIAN MEDICAL LICENSE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207V00000XObstetrics & Gynecology T6413 (Texas)Primary

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 Mckenna Alexis Williamson allows following entities to bill medicare on her behalf.
Entity NameAustin Regional Clinic Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1821157579
PECOS PAC ID: 3072507789
Enrollment ID: O20040414000198
Entity NameObhg Texas Holdings Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1083917769
PECOS PAC ID: 3577713072
Enrollment ID: O20121018000279

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 Mckenna Alexis Williamson 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 Mckenna Alexis Williamson, DO
4315 James Casey St Ste 105,
Austin, TX 78745-3364

Ph: (512) 383-9752		Dr Mckenna Alexis Williamson, DO
4315 James Casey St Ste 105,
Austin, TX 78745-3364

Ph: (512) 383-9752

Reviews and Comments


Obstetrics & Gynecology Doctors in Austin, TX

Dr. Chris C Hart, M.D.
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Practice Location: 9805 Brodie Ln, Austin, TX 78748
Phone: 512-462-1936    Fax: 512-394-9388
Dr. Robert C Johnston, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 12200 Renfert Way Ste G-3, Austin, TX 78758
Phone: 512-821-2540    Fax: 512-973-3533
Dr. Keikhosrow M Kavoussi, MD
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Medicare: Medicare Enrolled
Practice Location: 4303 James Casey St, Suite A, Austin, TX 78745
Phone: 512-444-1414    Fax: 512-444-5621
Dr. Andrea L. Campaigne, MD
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 12201 Renfert Way Ste 250, Austin, TX 78758
Phone: 512-994-2662    Fax: 512-406-6202
Jonathan Edmond Pepper, M.D.
Obstetrics & Gynecology
Medicare: Accepting Medicare Assignments
Practice Location: 6611 River Place Blvd Ste 202, Austin, TX 78730
Phone: 512-473-8300    
Akua Tiwaa Afriyie-gray, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 1301 Barbara Jordan Blvd Ste 303, Austin, TX 78723
Phone: 512-324-0970    
Mr. Sasan Askari, M.D.
Obstetrics & Gynecology
Medicare: Medicare Enrolled
Practice Location: 4007 James Casey St, Suite A-250, Austin, TX 78745
Phone: 512-444-2111    Fax: 512-444-2114

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).

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