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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

AMBER NUNN PMHNP
NPI 1184429904
Nurse Practitioner - Psychiatric/Mental Health in Phoenix, AZ

Active since February 17, 2025PECOS Enrolled
20440 N 27TH AVE, PHOENIX, AZ 85027(480) 882-4545(602) 910-2949 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 13, 2025, Feb 17, 2025 (2 updates tracked since 2025).

About Amber Nunn Pmhnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

AMBER NUNN PMHNP (NPI 1184429904) is an individual psychiatric/mental health provider in Phoenix, Arizona, licensed in Arizona (320018) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2021).

NPPES Registry Identity

NPI1184429904
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameAMBER NUNNCredential: PMHNP
Location Address20440 N 27TH AVEPhoenix, AZ 85027-3240
Mailing Address7500 N Dreamy Draw Dr Ste 145Phoenix, AZ 85020-4668 · (480) 882-4545
Phone(480) 882-4545
Fax(602) 910-2949
Sole ProprietorYes
Medical School CMSOtherGraduated 2021
Enumeration DateFebruary 17, 2025
Last NPPES UpdateOctober 20, 20262 updates tracked since enumeration
NPPES CertifiedOctober 20, 2026
✔ NPI 1184429904 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in AZ · 320018
20440 N 27TH AVE, Phoenix, AZ 85027
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.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

Amber Nunn Pmhnp 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.

PECOS PAC ID9032620638
PECOS Enrollment IDI20250619000253
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Amber Nunn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Roya Health, LLC
20 mi
Psychiatry
825 W SOUTHERN AVE
Phoenix, AZ 85041
  • Reassigned Medicare billing, Arizona enrollment
  • 9 clinicians in this Medicare group
NPI 1396453916 (480) 300-4741
Prescott Healthcare Solutions LLC
64 mi
Family Medicine
743 MILLER VALLEY RD
Prescott, AZ 86301
  • Reassigned Medicare billing, Arizona enrollment
  • 214 clinicians in this Medicare group
NPI 1821454505 (928) 777-9600

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 85027 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

NANETTE M KLAUS LPC
Counselor (Mental Health)
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545
DR. MELISSA MOLYNEUX MD
Family Medicine
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545
LESE LACKEY LPC
Counselor (Professional)
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545
SARAH HUBER FNP
Nurse Practitioner (Family)
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545
ALYSSA L FAGAN-CLARK LCSW
Social Worker (Clinical)
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545
CARLA BOAN PA-C
Physician Assistant
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545
DR. GEORGINA A ADJEI MD
Family Medicine
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545
GRACEANNE CAREW FNP-C
Nurse Practitioner (Family)
20440 N 27TH AVE
PHOENIX, AZ 85027
Maricopa County (480) 882-4545

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 Amber Nunn's NPI number?

The NPI number for Amber Nunn is 1184429904. It was assigned to this individual provider in the NPPES registry on February 17, 2025.

Where is Amber Nunn located?

Amber Nunn practices at 20440 N 27th Ave, Phoenix, AZ 85027. The listed phone number is (480) 882-4545.

What is Amber Nunn's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Amber Nunn enrolled in Medicare?

Yes. Amber Nunn 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 Amber Nunn's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Amber Nunn reassigns Medicare benefits to 2 organizations: Roya Health, LLC (Phoenix, AZ) and Prescott Healthcare Solutions LLC (Prescott, AZ). 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 Amber Nunn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Amber Nunn accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and UnitedHealthcare list Amber Nunn 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 Amber Nunn was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.