SUSAN DONNA WILLIS RN, FNP
NPI 1396080396
Nurse Practitioner - Family in Fair Oaks, CA
About Susan Donna Willis Rn, Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SUSAN DONNA WILLIS RN, FNP (NPI 1396080396) is an individual family provider in Fair Oaks, California, licensed in California (22615) and active in the NPI registry since December 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Susan Donna Willis Rn, Fnp 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
2Medicare enrollment records show Susan Willis reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Westlake Village, CA 91361
- Reassigned Medicare billing, California enrollment
- 77 clinicians in this Medicare group
Dallas, TX 75244
- Reassigned Medicare billing, Florida and Iowa enrollments
- 168 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.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95628 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 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Susan Willis's NPI number?
The NPI number for Susan Willis is 1396080396. It was assigned to this individual provider in the NPPES registry on December 1, 2012. The provider is also known as Susan Donna Leinweber Rn.
Where is Susan Willis located?
Susan Willis practices at 6608 Mercy Ct Ste C, Fair Oaks, CA 95628. The listed phone number is (916) 966-8585.
What is Susan Willis's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Susan Willis enrolled in Medicare?
Yes. Susan Willis 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 Susan Willis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Susan Willis reassigns Medicare benefits to 2 organizations: Onclick Healthcare Incorporated (Westlake Village, CA) and Signify Health Medical Associates, PLLC (Dallas, TX). 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 Susan Willis'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 Susan Willis was last updated on December 1, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.
# Susan Donna Willis, RN, FNP · NPI 1396080396
Family physician in Fair Oaks, California. Individual provider, active in the CMS NPPES registry since December 1, 2012.
## Identity
- **NPI:** 1396080396 (Entity type: Individual)
- **Enumerated:** December 1, 2012
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 22615 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 6608 MERCY CT STE C, Fair Oaks, CA 95628-3171
- **Phone:** (916) 966-8585
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Onclick Healthcare Incorporated (NPI 1467074963, Westlake Village, CA); Signify Health Medical Associates, PLLC (NPI 1750845863, Dallas, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** December 1, 2012
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Source: [NPI Profile](https://npiprofile.com/npi/1396080396) · Data from the CMS NPPES public registry.