DIANA PETROS FNP-C
NPI 1831703552
Nurse Practitioner - Family in Grass Valley, CA
About Diana Petros Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA PETROS FNP-C (NPI 1831703552) is an individual family provider in Grass Valley, California, licensed in California (F08200578) and active in the NPI registry since August 2020. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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 Petros Fnp-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 Petros reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 44 clinicians in this Medicare group
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 6 clinicians in this Medicare group
Grass Valley, CA 95945
- Reassigned Medicare billing, California enrollment
- 3 clinicians in this Medicare group
Cerritos, CA 90703
- Reassigned Medicare billing, Nevada enrollment
- 2 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
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 95945 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.
GRASS VALLEY, CA 95945
GRASS VALLEY, CA 95945
GRASS VALLEY, CA 95945
GRASS VALLEY, CA 95945
GRASS VALLEY, CA 95945
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 Petros's NPI number?
The NPI number for Diana Petros is 1831703552. It was assigned to this individual provider in the NPPES registry on August 31, 2020.
Where is Diana Petros located?
Diana Petros practices at 844 Old Tunnel Rd, Grass Valley, CA 95945. The listed phone number is (310) 650-8661.
What is Diana Petros's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Diana Petros enrolled in Medicare?
Yes. Diana Petros 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 Petros's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Petros reassigns Medicare benefits to 4 organizations: Western Sierra Medical Clinic, Inc. (Grass Valley, CA), (Grass Valley, CA), Pulse Primary Care Of California PC (Grass Valley, CA) and Albion Medical Partners Of California West P C (Cerritos, 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 Petros'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 Petros was last updated on November 3, 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.
# Diana Petros, FNP-C · NPI 1831703552
Family physician in Grass Valley, California. Individual provider, active in the CMS NPPES registry since August 31, 2020.
## Identity
- **NPI:** 1831703552 (Entity type: Individual)
- **Enumerated:** August 31, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** F08200578 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 844 OLD TUNNEL RD, Grass Valley, CA 95945-8524
- **Phone:** (310) 650-8661
## 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): Western Sierra Medical Clinic, Inc. (NPI 1063496396, Grass Valley, CA); (NPI 1265487383, Grass Valley, CA); Pulse Primary Care Of California PC (NPI 1942127899, Grass Valley, CA); Albion Medical Partners Of California West P C (NPI 1073110607, Cerritos, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** November 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1831703552) · Data from the CMS NPPES public registry.