KELLY ANN WILLIAMS FNP-BC
NPI 1972844371
Nurse Practitioner - Family in Harbor City, CA
About Kelly Ann Williams Fnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KELLY ANN WILLIAMS FNP-BC (NPI 1972844371) is an individual family provider in Harbor City, California, licensed in California (95000585) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Kelly Ann Williams Fnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Kelly Williams reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Harbor City, CA 90710
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 2,112 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90710 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 13
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARBOR CITY, CA 90710
HARBOR CITY, CA 90710
HARBOR CITY, CA 90710
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Kelly Williams's NPI number?
The NPI number for Kelly Williams is 1972844371. It was assigned to this individual provider in the NPPES registry on March 9, 2013.
Where is Kelly Williams located?
Kelly Williams practices at 1050 Pacific Coast Hwy, Harbor City, CA 90710. The listed phone number is (424) 328-2689.
What is Kelly Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kelly Williams enrolled in Medicare?
Yes. Kelly Williams is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Kelly Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kelly Williams reassigns Medicare benefits to 4 organizations: Southern California Permanente Medical Group (Harbor City, CA), Regents Of The University Of California (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Kelly Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Kelly Williams was last updated on December 4, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Kelly Ann Williams, FNP-BC · NPI 1972844371
Family physician in Harbor City, California. Individual provider, active in the CMS NPPES registry since March 9, 2013.
## Identity
- **NPI:** 1972844371 (Entity type: Individual)
- **Enumerated:** March 9, 2013
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95000585 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1050 PACIFIC COAST HWY, Harbor City, CA 90710-3509
- **Phone:** (424) 328-2689
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1598797011, Harbor City, CA); Regents Of The University Of California (NPI 1376613943, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** December 4, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1972844371) · Data from the CMS NPPES public registry.