William J Mast, FNP-C - Medicare Nurse Practitioner in Bonham, TX

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William J Mast, FNP-C is a medicare enrolled "Nurse Practitioner - Family" in Bonham, Texas. His current practice location is 1211 E 6th St Ste 150, Bonham, Texas. You can reach out to his office (for appointments etc.) via phone at (903) 583-3376.

William J Mast is licensed to practice in Texas (license number 1098502) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1659089811.

Contact Information

William J Mast, FNP-C
1211 E 6th St Ste 150,
Bonham, TX 75418-4072
(903) 583-3376
(903) 640-4524

Map and Direction




Provider's Profile

Full NameWilliam J Mast
GenderMale
SpecialityNurse Practitioner - Family
Location1211 E 6th St Ste 150, Bonham, Texas
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1659089811
  • Provider Enumeration Date: 11/07/2022
  • Last Update Date: 11/07/2022
  Medicare PECOS Information:
  • PECOS PAC ID: 3779952320
  • Enrollment ID: I20221203000591

Medical Identifiers

Medical identifiers for William J Mast such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1659089811NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 1098502 (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. William J Mast allows following entities to bill medicare on his behalf.
Entity NameMatthew D Barrows Md Pa
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1699763490
PECOS PAC ID: 6305894171
Enrollment ID: O20050107000786

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. William J Mast 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
William J Mast, FNP-C
1790 N Stonebridge Dr,
Mckinney, TX 75071-7437

Ph: (972) 390-9002		William J Mast, FNP-C
1211 E 6th St Ste 150,
Bonham, TX 75418-4072

Ph: (903) 583-3376

Reviews and Comments


Nurse Practitioner Nurses in Bonham, TX

Mrs. Shannon Morgan Mayville, APN
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1201 E 9th St, Bonham, TX 75418
Phone: 903-583-6320    
Benjamin Hanssen, FNP-C
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 1211 E 6th St Ste 300, Bonham, TX 75418
Phone: 903-583-6155    
Ms. Margaret Ann Williams,
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1201 E 9th St, Bonham, TX 75418
Phone: 903-583-6241    Fax: 903-583-6226
Mrs. Nancy Gray Cook, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 1201 E 9th St, Bonham, TX 75418
Phone: 903-583-6716    Fax: 903-583-6625
Courtney Rene Kissling,
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 2140 N Hwy 121, Bonham, TX 75418
Phone: 430-703-1550    
Lillie Heidari Bigvand, NP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 1201 E 9th St, Bonham, TX 75418
Phone: 903-583-2111    
Mrs. Lisa Brittmon, APN, FNP-BC
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 920 N Center St, Bonham, TX 75418
Phone: 903-583-6155    Fax: 903-583-3158

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.