Katelyn L Williams, NP-C - Medicare Nurse Practitioner in Visalia, CA

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Katelyn L Williams, NP-C is a medicare enrolled "Nurse Practitioner" in Visalia, California. She graduated from nursing school in 2021 and has 5 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Hany Nasr Md Inc, Bass Medical Group and her current practice location is 5127 W Noble Ave, Visalia, California. You can reach out to her office (for appointments etc.) via phone at (559) 713-6515.

Katelyn L Williams is licensed to practice in California (license number 95020121) 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 1639821655.

Contact Information

Katelyn L Williams, NP-C
5127 W Noble Ave,
Visalia, CA 93277-8354
(559) 713-6515
(559) 713-6516

Map and Direction




Provider's Profile

Full NameKatelyn L Williams
GenderFemale
SpecialityNurse Practitioner
Experience5 Years
Location5127 W Noble Ave, Visalia, 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:
  • Katelyn L Williams graduated from nursing school in 2021
  NPI Data:
  • NPI Number: 1639821655
  • Provider Enumeration Date: 01/20/2022
  • Last Update Date: 12/02/2025
  Medicare PECOS Information:
  • PECOS PAC ID: 7911391974
  • Enrollment ID: I20220308002416

Medical Identifiers

Medical identifiers for Katelyn L Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1639821655NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363L00000XNurse Practitioner 95020121 (California)Primary
363LA2100XNurse Practitioner - Acute Care 95020121 (California)Secondary
363LC0200XNurse Practitioner - Critical Care Medicine PENDING (California)Secondary
363LC0200XNurse Practitioner - Critical Care Medicine 95020121 (California)Secondary
363LG0600XNurse Practitioner - Gerontology PENDING (California)Secondary
364SG0600XClinical Nurse Specialist - Gerontology 95020121 (California)Secondary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Hany Nasr Md Inc39717881752
Bass Medical Group9032111281292

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. Katelyn L Williams allows following entities to bill medicare on her behalf.
Entity NameBass Medical Group
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1174253405
PECOS PAC ID: 9032111281
Enrollment ID: O20070201000181
Entity NameHany Nasr MD Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1104123892
PECOS PAC ID: 3971788175
Enrollment ID: O20110504000114
Entity NameUniversity Faculty Associates Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1073911137
PECOS PAC ID: 6507181708
Enrollment ID: O20150211000164
Entity NameInpatient Specialists of California PC
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1952792475
PECOS PAC ID: 3476864448
Enrollment ID: O20150617000915

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. Katelyn 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
Katelyn L Williams, NP-C
5127 W Noble Ave,
Visalia, CA 93277-8354

Ph: (559) 713-6515		Katelyn L Williams, NP-C
5127 W Noble Ave,
Visalia, CA 93277-8354

Ph: (559) 713-6515

Reviews and Comments


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Melissa D. Gerardo, NP-C
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Phone: 559-738-7500    

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.