DIANA FOUST NP-C
NPI 1285199091
Nurse Practitioner - Family in San Diego, CA
About Diana Foust Np-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA FOUST NP-C (NPI 1285199091) is an individual family provider in San Diego, California, licensed in California (95011701) and active in the NPI registry since February 2019. She is enrolled in Medicare PECOS and is a graduate of Other (2018).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Diana Foust Np-c 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 Diana Foust reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
El Cajon, CA 92020
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Irvine, CA 92604
- Reassigned Medicare billing, California enrollment
- 212 clinicians in this Medicare group
Irvine, CA 92604
- Reassigned Medicare billing, California enrollment
- 71 clinicians in this Medicare group
Burbank, CA 91505
- Reassigned Medicare billing, California enrollment
- 236 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 92128 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 Diana Foust's NPI number?
The NPI number for Diana Foust is 1285199091. It was assigned to this individual provider in the NPPES registry on February 6, 2019.
Where is Diana Foust located?
Diana Foust practices at 16773 Bernardo Center Dr, San Diego, CA 92128. The listed phone number is (866) 389-2727.
What is Diana Foust's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Diana Foust enrolled in Medicare?
Yes. Diana Foust 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 Diana Foust's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Foust reassigns Medicare benefits to 4 organizations: Minuteclinic Diagnostic Medical Group Of San Diego Inc (El Cajon, CA), Minuteclinic Diagnostic Medical Group Of Orange County Inc (Irvine, CA), Minuteclinic Primary Care California (Irvine, CA) and Minuteclinic Diagnostic Medical Group Of California Inc (Burbank, 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 Diana Foust'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 Diana Foust was last updated on December 17, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.
# Diana Foust, NP-C · NPI 1285199091
Family physician in San Diego, California. Individual provider, active in the CMS NPPES registry since February 6, 2019.
## Identity
- **NPI:** 1285199091 (Entity type: Individual)
- **Enumerated:** February 6, 2019
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95011701 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 16773 BERNARDO CENTER DR, San Diego, CA 92128-2525
- **Phone:** (866) 389-2727
## 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): Minuteclinic Diagnostic Medical Group Of San Diego Inc (NPI 1568659233, El Cajon, CA); Minuteclinic Diagnostic Medical Group Of Orange County Inc (NPI 1104013879, Irvine, CA); Minuteclinic Primary Care California (NPI 1083421614, Irvine, CA); Minuteclinic Diagnostic Medical Group Of California Inc (NPI 1033309372, Burbank, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2018
## Record status
- **NPPES last updated:** December 17, 2025
- **Other identifiers:** Medicaid A142106 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1285199091) · Data from the CMS NPPES public registry.