Tomoko Hirabayashi Williams, MSN, RN, FNP-C - Medicare Nurse Practitioner in Cedar Park, TX

Tomoko Hirabayashi Williams, MSN, RN, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in Cedar Park, Texas. She graduated from nursing school in 2018 and has 6 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Texas Oncology Pa and her current practice location is 1401 Medical Pkwy Ste 200, Cedar Park, Texas. You can reach out to her office (for appointments etc.) via phone at (512) 260-6050.

Tomoko Hirabayashi Williams is licensed to practice in Texas (license number AP140322) 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 1255896262.

Contact Information

Tomoko Hirabayashi Williams, MSN, RN, FNP-C
1401 Medical Pkwy Ste 200,
Cedar Park, TX 78613-5026
(512) 260-6050
(512) 260-6080

Map and Direction




Provider's Profile

Full NameTomoko Hirabayashi Williams
GenderFemale
SpecialityNurse Practitioner
Experience6 Years
Location1401 Medical Pkwy Ste 200, Cedar Park, 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:
  • Tomoko Hirabayashi Williams graduated from nursing school in 2018
  NPI Data:
  • NPI Number: 1255896262
  • Provider Enumeration Date: 02/04/2019
  • Last Update Date: 05/19/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 2668712555
  • Enrollment ID: I20190312001972

Medical Identifiers

Medical identifiers for Tomoko Hirabayashi Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1255896262NPI-NPPES
394497702MedicaidTX
394497701MedicaidTX

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family AP140322 (Texas)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Texas Oncology Pa5395658934855

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. Tomoko Hirabayashi Williams allows following entities to bill medicare on her behalf.
Entity NameTexas Oncology Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1811944101
PECOS PAC ID: 5395658934
Enrollment ID: O20031124000323

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. Tomoko Hirabayashi Williams 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
Tomoko Hirabayashi Williams, MSN, RN, FNP-C
Po Box 911230,
Dallas, TX 75391-1230

Ph: (972) 997-8000
Tomoko Hirabayashi Williams, MSN, RN, FNP-C
1401 Medical Pkwy Ste 200,
Cedar Park, TX 78613-5026

Ph: (512) 260-6050

Reviews and Comments


Nurse Practitioner Nurses in Cedar Park, TX

Hetal Rathod, N.P
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1401 Medical Pkwy, B Suite 407, Cedar Park, TX 78613
Phone: 512-249-7190    
Brittany Stanton, CPNP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 2304 S Lakeline Blvd Unit 353, Cedar Park, TX 78613
Phone: 816-786-6506    
Mrs. Monica Lane, FNP-BC
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 345 Cypress Creek Rd Ste 104, Cedar Park, TX 78613
Phone: 512-336-2777    Fax: 512-336-2778
Ms. Kelsey Marie Watson, FNP-C
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 2829 S. Lakeline Blvd #525, Cedar Park, TX 78613
Phone: 512-785-6195    
Mrs. Gabrielle Louise Teumer, DNP, APRN, FNP-BC
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 2500 S Lakeline Blvd Ste 100, Cedar Park, TX 78613
Phone: 512-345-8970    
Kristen Faith Young,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 801 E Whitestone Blvd Ste 201, Cedar Park, TX 78613
Phone: 512-341-0900    
Ashley Erika Hollister, APRN, FNP-C
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 345 Cypress Creek Rd, Suite 104, Cedar Park, TX 78613
Phone: 512-336-2777    

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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