MELISSA WILLIAMS FNP
NPI 1831924240
Nurse Practitioner - Family in Phoenix, AZ
About Melissa Williams Fnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MELISSA WILLIAMS FNP (NPI 1831924240) is an individual family provider in Phoenix, Arizona, licensed in Arizona (270554) and active in the NPI registry since September 2024. She is enrolled in Medicare PECOS, maintains a secondary practice location in Cave Creek, and is a graduate of Other (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
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 Williams 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 Reassignment
Medicare enrollment records show Melissa Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Rockville, MD 20854
- Reassigned Medicare billing, Arizona enrollment
- 163 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 85018 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 10
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 Melissa Williams's NPI number?
The NPI number for Melissa Williams is 1831924240. It was assigned to this individual provider in the NPPES registry on September 5, 2024.
Where is Melissa Williams located?
Melissa Williams practices at 4742 E Indian School Rd, Phoenix, AZ 85018. The listed phone number is (866) 389-2727.
What is Melissa Williams's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Melissa Williams enrolled in Medicare?
Yes. Melissa Williams 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 Melissa Williams's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Melissa Williams reassigns Medicare benefits to Minuteclinic LLC (Rockville, MD). 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 Melissa Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Melissa Williams accept?
Health plans from Blue Cross Blue Shield of Arizona list Melissa Williams as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Melissa Williams was last updated on September 5, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Melissa Williams, FNP · NPI 1831924240
Family physician in Phoenix, Arizona. Individual provider, active in the CMS NPPES registry since September 5, 2024.
## Identity
- **NPI:** 1831924240 (Entity type: Individual)
- **Enumerated:** September 5, 2024
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 270554 (Arizona)
- **Sole proprietor:** No
## Practice location
- **Address:** 4742 E INDIAN SCHOOL RD, Phoenix, AZ 85018-5496
- **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:** Minuteclinic LLC (NPI 1134191836, Rockville, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2021
## Record status
- **NPPES last updated:** September 5, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1831924240) · Data from the CMS NPPES public registry.