Nancy Riley-williams, FNP-BC - Medicare Nurse Practitioner in Green Valley, AZ

Nancy Riley-williams, FNP-BC is a medicare enrolled "Nurse Practitioner - Family" in Green Valley, Arizona. She graduated from nursing school in 2015 and has 9 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice United Community Health Center-maria Auxiliadora Inc and her current practice location is 1260 S Campbell Ave Bldg 2, Green Valley, Arizona. You can reach out to her office (for appointments etc.) via phone at (520) 407-5600.

Nancy Riley-williams is licensed to practice in Arizona (license number AP8348) 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 1790140945.

Contact Information

Nancy Riley-williams, FNP-BC
1260 S Campbell Ave Bldg 2,
Green Valley, AZ 85614-0503
(520) 407-5600
(520) 625-8504

Map and Direction




Provider's Profile

Full NameNancy Riley-williams
GenderFemale
SpecialityNurse Practitioner
Experience9 Years
Location1260 S Campbell Ave Bldg 2, Green Valley, Arizona
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:
  • Nancy Riley-williams graduated from nursing school in 2015
  NPI Data:
  • NPI Number: 1790140945
  • Provider Enumeration Date: 12/15/2015
  • Last Update Date: 01/31/2020
  Medicare PECOS Information:
  • PECOS PAC ID: 2860796307
  • Enrollment ID: I20160203002765

Medical Identifiers

Medical identifiers for Nancy Riley-williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1790140945NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family AP8348 (Arizona)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
United Community Health Center-maria Auxiliadora Inc458763447225

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. Nancy Riley-williams allows following entities to bill medicare on her behalf.
Entity NameUnited Community Health Center-maria Auxiliadora Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1093766867
PECOS PAC ID: 4587634472
Enrollment ID: O20040930000548

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. Nancy Riley-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
Nancy Riley-williams, FNP-BC
1260 S Campbell Ave Bldg 2,
Green Valley, AZ 85614-0503

Ph: () -
Nancy Riley-williams, FNP-BC
1260 S Campbell Ave Bldg 2,
Green Valley, AZ 85614-0503

Ph: (520) 407-5600

Reviews and Comments


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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.