Charlaine Ida Williamson, NP - Medicare Nurse Practitioner in Rancho Cucamonga, CA

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Charlaine Ida Williamson, NP is a medicare enrolled "Nurse Practitioner - Family" in Rancho Cucamonga, California. She graduated from nursing school in 2010 and has 16 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Providence Medical Foundation and her current practice location is 9170 Haven Ave Ste 120, Rancho Cucamonga, California. You can reach out to her office (for appointments etc.) via phone at (909) 476-8700.

Charlaine Ida Williamson is licensed to practice in California (license number 19923) 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 1932408960.

Contact Information

Charlaine Ida Williamson, NP
9170 Haven Ave Ste 120,
Rancho Cucamonga, CA 91730-5416
(909) 476-8700
(909) 987-1400

Map and Direction




Provider's Profile

Full NameCharlaine Ida Williamson
GenderFemale
SpecialityNurse Practitioner
Experience16 Years
Location9170 Haven Ave Ste 120, Rancho Cucamonga, California
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:
  • Charlaine Ida Williamson graduated from nursing school in 2010
  NPI Data:
  • NPI Number: 1932408960
  • Provider Enumeration Date: 03/16/2011
  • Last Update Date: 04/13/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 7113188293
  • Enrollment ID: I20120417000482

Medical Identifiers

Medical identifiers for Charlaine Ida Williamson such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1932408960NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 19923 (California)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Providence St. Jude Medical CenterFullerton, CAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Providence Medical Foundation89219932051461

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. Charlaine Ida Williamson allows following entities to bill medicare on her behalf.
Entity NameChaparral Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1477733624
PECOS PAC ID: 6800709403
Enrollment ID: O20031110000605
Entity NameProvidence Medical Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1871607762
PECOS PAC ID: 8921993205
Enrollment ID: O20040216001346

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. Charlaine Ida 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
Charlaine Ida Williamson, NP
11422 Anzio Ct,
Rancho Cucamonga, CA 91701-8500

Ph: (909) 996-9903		Charlaine Ida Williamson, NP
9170 Haven Ave Ste 120,
Rancho Cucamonga, CA 91730-5416

Ph: (909) 476-8700

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.