FRANCES EPLER
NPI 1609922186
Nurse Practitioner in San Mateo, CA
About Frances Epler NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FRANCES EPLER (NPI 1609922186) is an individual nurse practitioner in San Mateo, California, licensed in California (RN596233) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS and is a graduate of Other (2002).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Frances Epler 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 Reassignment
Medicare enrollment records show Frances Epler reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Walnut Creek, CA 94597
- Reassigned Medicare billing, California enrollment
- 650 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 94403 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 20
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 Frances Epler's NPI number?
The NPI number for Frances Epler is 1609922186. It was assigned to this individual provider in the NPPES registry on January 26, 2007.
Where is Frances Epler located?
Frances Epler practices at 222 W 39th Ave, San Mateo, CA 94403. The listed phone number is (650) 573-2222.
What is Frances Epler's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Frances Epler enrolled in Medicare?
Yes. Frances Epler 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 organization bills Medicare for Frances Epler's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Frances Epler reassigns Medicare benefits to John Muir Physician Network (Walnut Creek, CA). The 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 Frances Epler'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 Frances Epler was last updated on March 27, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.
# Frances Epler · NPI 1609922186
Nurse Practitioner physician in San Mateo, California. Individual provider, active in the CMS NPPES registry since January 26, 2007.
## Identity
- **NPI:** 1609922186 (Entity type: Individual)
- **Enumerated:** January 26, 2007
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** RN596233 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 222 W 39TH AVE, San Mateo, CA 94403-4364
- **Phone:** (650) 573-2222
## 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:** John Muir Physician Network (NPI 1841407665, Walnut Creek, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2002
## Record status
- **NPPES last updated:** March 27, 2008
- **Other identifiers:** Medicaid 1609922186 (CA); Medicare UPIN Q02432 (CA); Medicare ID-Type Unspecified ZZZ27387Z (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1609922186) · Data from the CMS NPPES public registry.