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DR. MARIAH KARYN WHITE DNP, CPNP-PC
NPI 1407354244
Nurse Practitioner - Pediatrics in Phoenix, AZ

Active since January 26, 2018PECOS EnrolledAccepts Medicare Assignment
1919 E THOMAS RD, PHOENIX, AZ 85016(602) 933-2263(602) 933-4256 Get Directions Write a Review

NPPES record last updated: December 10, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Dec 10, 2020, Aug 31, 2020, Jul 17, 2020 (3 updates tracked since 2020).

About Dr. Mariah Karyn White Dnp, Cpnp-pc NPPES

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

DR. MARIAH KARYN WHITE DNP, CPNP-PC (NPI 1407354244) is an individual pediatrics provider in Phoenix, Arizona, licensed in Arizona (AP10940) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS, maintains a secondary practice location in Avondale, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1407354244
Entity TypeIndividualFemale
Primary Taxonomy363LP0200X
Provider Legal NameDR. MARIAH KARYN WHITECredential: DNP, CPNP-PC
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address3200 E Camelback Rd, Ste 250Phoenix, AZ 85018-2327 · (602) 933-1814 · Fax (602) 933-8972
Phone(602) 933-2263
Fax(602) 933-4256
Sole ProprietorYes
Medical School CMSOtherGraduated 2017
Enumeration DateJanuary 26, 2018
Last NPPES UpdateDecember 10, 20203 updates tracked since enumeration
NPPES CertifiedDecember 10, 2020
✔ NPI 1407354244 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · PediatricsPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0200X
License✔ Licensed in AZ · AP10940
1919 E THOMAS RD, Phoenix, AZ 85016
Open in Google Maps ↗

Secondary Practice Location 1

Location 113065 W McDowell Rd Ste C130Avondale, AZ 85392-6448 · Phone (623) 363-8703

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter Health, Premera Blue Cross Blue Shield of Alaska, Providence Health Plan.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

Dr. Mariah Karyn White Dnp, Cpnp-pc 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 ID8628495900
PECOS Enrollment IDI20220110002331
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 Mariah White reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Phoenix Children's Hospital
Same address
Pediatrics
1919 E THOMAS RD
Phoenix, AZ 85016
  • Reassigned Medicare billing, Arizona enrollment
  • 1,416 clinicians in this Medicare group
NPI 1922112044 (602) 933-1000
Seattle Children's Hospital
1,108 mi
Primary Care
3939 S OTHELLO ST STE 101
Seattle, WA 98118
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Seattle Childrens Hospital
  • 912 clinicians in this Medicare group
NPI 1134251747 (206) 987-7200

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 85016 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.

DR. TIMUR RAGHIB M.D.
Hospitalist
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0777
MRS. MARIA T ESCOBAR CSP, RD
Dietitian, Registered
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (480) 440-2787
DR. AHMAR HUSAIN MD
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
MRS. SOLEE R COWLEY LCSW
Social Worker (Clinical)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0414
MR. SEAN PATRICK BRADY DO
Anesthesiology (Pediatric Anesthesiology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-4660
PRIYA PRASHER M.D.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1900
DR. AMIT RAJARAM D.O.
Pediatrics
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-0198
LAURA GARDNER HAMANT
Pediatrics (Pediatric Gastroenterology)
1919 E THOMAS RD
PHOENIX, AZ 85016
Maricopa County (602) 933-1000

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 Mariah White's NPI number?

The NPI number for Mariah White is 1407354244. It was assigned to this individual provider in the NPPES registry on January 26, 2018.

Where is Mariah White located?

Mariah White practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (602) 933-2263.

What is Mariah White's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Pediatrics, with taxonomy code 363LP0200X.

Is Mariah White enrolled in Medicare?

Yes. Mariah White 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 Mariah White's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariah White reassigns Medicare benefits to 2 organizations: Phoenix Children's Hospital (Phoenix, AZ) and Seattle Children's Hospital (Seattle, WA). 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 Mariah White's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mariah White accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Mariah White 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 Mariah White was last updated on December 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.