Mrs Sarah Lynn Williams, FNP - Medicare Nurse Practitioner in Chula Vista, CA

Mrs Sarah Lynn Williams, FNP is a medicare enrolled "Nurse Practitioner - Family" in Chula Vista, California. Her current practice location is 645 E Palomar St, Chula Vista, California. You can reach out to her office (for appointments etc.) via phone at (619) 421-6500.

Mrs Sarah Lynn Williams is licensed to practice in California (license number 95027492) 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 1871351544.

Contact Information

Mrs Sarah Lynn Williams, FNP
645 E Palomar St,
Chula Vista, CA 91911-6974
(619) 421-6500
Not Available

Map and Direction




Provider's Profile

Full NameMrs Sarah Lynn Williams
GenderFemale
SpecialityNurse Practitioner - Family
Location645 E Palomar St, Chula Vista, California
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1871351544
  • Provider Enumeration Date: 03/07/2024
  • Last Update Date: 03/07/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 3375985310
  • Enrollment ID: I20240522003448

Medical Identifiers

Medical identifiers for Mrs Sarah Lynn Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1871351544NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363LF0000XNurse Practitioner - Family 95027492 (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. Mrs Sarah Lynn Williams allows following entities to bill medicare on her behalf.
Entity NameSharp Rees-stealy Medical Group Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1285616177
PECOS PAC ID: 8628972759
Enrollment ID: O20031120000996
Entity NameMinuteclinic Diagnostic Medical Group Of California Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1033309372
PECOS PAC ID: 8224191374
Enrollment ID: O20090115000289
Entity NameMinuteclinic Diagnostic Medical Group Of Orange County Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104013879
PECOS PAC ID: 5991868929
Enrollment ID: O20090116000214
Entity NameMinuteclinic Diagnostic Medical Group Of San Diego Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1568659233
PECOS PAC ID: 2567520414
Enrollment ID: O20090127000249

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. Mrs Sarah Lynn 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
Mrs Sarah Lynn Williams, FNP
941 Harry St,
El Cajon, CA 92020-6707

Ph: (619) 415-5077
Mrs Sarah Lynn Williams, FNP
645 E Palomar St,
Chula Vista, CA 91911-6974

Ph: (619) 421-6500

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).

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