MELISSA LAUREN PEYTON FNP
NPI 1679315295
Nurse Practitioner - Primary Care in Vacaville, CA
About Melissa Lauren Peyton Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA LAUREN PEYTON FNP (NPI 1679315295) is an individual primary care provider in Vacaville, California, licensed in California (95036792) and active in the NPI registry since June 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2024).
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
Melissa Lauren Peyton 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
3Medicare enrollment records show Melissa Peyton reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Vacaville, CA 95687
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: Northbay Physicians Surgery Center, LLC
- 516 clinicians in this Medicare group
Fairfield, CA 94534
- Reassigned Medicare billing, California enrollment
- 225 clinicians in this Medicare group
Wichita Falls, TX 76308
- Reassigned Medicare billing, Texas enrollment
- 14 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 2
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 95687 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.
VACAVILLE, CA 95687
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 Melissa Peyton's NPI number?
The NPI number for Melissa Peyton is 1679315295. It was assigned to this individual provider in the NPPES registry on June 12, 2024.
Where is Melissa Peyton located?
Melissa Peyton practices at 421 Nut Tree Rd, Vacaville, CA 95687. The listed phone number is (707) 646-5500.
What is Melissa Peyton's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.
Is Melissa Peyton enrolled in Medicare?
Yes. Melissa Peyton 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 Melissa Peyton's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Peyton reassigns Medicare benefits to 3 organizations: Northbay Healthcare Group (Vacaville, CA), Northbay Health Medical Foundation (Fairfield, CA) and Family Practice Associates LLP (Wichita Falls, 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 Melissa Peyton'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 Melissa Peyton was last updated on October 26, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Melissa Lauren Peyton, FNP · NPI 1679315295
Primary Care physician in Vacaville, California. Individual provider, active in the CMS NPPES registry since June 12, 2024.
## Identity
- **NPI:** 1679315295 (Entity type: Individual)
- **Enumerated:** June 12, 2024
- **Primary specialty:** Nurse Practitioner - Primary Care · taxonomy 363LP2300X
- **State license:** 95036792 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 421 NUT TREE RD, Vacaville, CA 95687-3508
- **Phone:** (707) 646-5500
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Northbay Healthcare Group (NPI 1255483202, Vacaville, CA); Northbay Health Medical Foundation (NPI 1760283527, Fairfield, CA); Family Practice Associates LLP (NPI 1386772978, Wichita Falls, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2024
## Record status
- **NPPES last updated:** October 26, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1679315295) · Data from the CMS NPPES public registry.