Valerie L Williams, NP - Medicare Nurse Practitioner in Fontana, CA

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Valerie L Williams, NP is a medicare enrolled "Nurse Practitioner" in Fontana, California. Her current practice location is 9961 Sierra Ave, Fontana, California. You can reach out to her office (for appointments etc.) via phone at (909) 427-3910.

Valerie L Williams is licensed to practice in California (license number NP9691) 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 1093882847.

Contact Information

Valerie L Williams, NP
9961 Sierra Ave,
Fontana, CA 92335-6720
(909) 427-3910
Not Available

Map and Direction




Provider's Profile

Full NameValerie L Williams
GenderFemale
SpecialityNurse Practitioner
Location9961 Sierra Ave, Fontana, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1093882847
  • Provider Enumeration Date: 11/29/2006
  • Last Update Date: 12/01/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 8820027444
  • Enrollment ID: I20050804000340

Medical Identifiers

Medical identifiers for Valerie L Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1093882847NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner NP9691 (California)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. Valerie L Williams allows following entities to bill medicare on her behalf.
Entity NameSouthern California Permanente Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316979834
PECOS PAC ID: 6002729175
Enrollment ID: O20040126000823

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. Valerie L 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
Valerie L Williams, NP
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-3910		Valerie L Williams, NP
9961 Sierra Ave,
Fontana, CA 92335-6720

Ph: (909) 427-3910

Reviews and Comments


Nurse Practitioner Nurses in Fontana, CA

Cherry Patricia Thangaraj, FNP-C
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 7965 Sierra Ave, Fontana, CA 92336
Phone: 909-356-4459    
Yael Steinfeld, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Scott Swartz, NP
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-3910    
Cory Michael Layvas, AGACNP-BC
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 9961 Sierra Ave, Fontana, CA 92335
Phone: 909-427-5000    
Lisa Marie Hanson,
Nurse Practitioner
Medicare: Not Enrolled in Medicare
Practice Location: 16465 Sierra Lakes Pkwy Ste 275, Fontana, CA 92336
Phone: 909-823-8000    
Fabiola Sianturi, MSN, FNP
Nurse Practitioner
Medicare: Accepting Medicare Assignments
Practice Location: 8110 Mango Ave, Fontana, CA 92335
Phone: 909-854-0430    
Nadia Le Flore,
Nurse Practitioner
Medicare: Medicare Enrolled
Practice Location: 17051 Sierra Lakes Pkwy # 103, Fontana, CA 92336
Phone: 909-770-1000    

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.