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DR. CLAYTON W LONG MD
NPI 1568027647
Pediatrics - Pediatric Hematology-Oncology in Phoenix, AZ

Active since May 05, 2019PECOS Enrolled
1919 E THOMAS RD, PHOENIX, AZ 85016(515) 460-6232 Get Directions Write a Review

NPPES record last updated: April 30, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 30, 2026, Sep 28, 2022, May 5, 2019 (3 updates tracked since 2019).

About Dr. Clayton W Long Md NPPES

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

DR. CLAYTON W LONG MD (NPI 1568027647) is an individual pediatric hematology-oncology provider in Phoenix, Arizona, licensed in Arizona (67305) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS and is a graduate of Other (2019).

NPPES Registry Identity

NPI1568027647
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameDR. CLAYTON W LONGCredential: MD
Location Address1919 E THOMAS RDPhoenix, AZ 85016-7710
Mailing Address1919 E Thomas RdPhoenix, AZ 85016-7710 · (515) 460-6232
Phone(515) 460-6232
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 5, 2019
Last NPPES UpdateApril 30, 20263 updates tracked since enumeration
NPPES CertifiedApril 30, 2026
✔ NPI 1568027647 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License✔ Licensed in AZ · 67305
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
Also ListedPediatricsTaxonomy 208000000X · License 67305 (AZ)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
1919 E THOMAS RD, Phoenix, AZ 85016
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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 (PECOS)

Dr. Clayton W Long Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID547645012
PECOS Enrollment IDI20260611003722
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

4

Medicare enrollment records show Clayton Long reassigns Medicare billing to 4 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
District Medical Group, Inc
1.7 mi
Surgery
2525 E ROOSEVELT ST, MED CLINIC - INFECTIOUS DISEASE
Phoenix, AZ 85008
  • Reassigned Medicare billing, Arizona enrollment
  • 1,490 clinicians in this Medicare group
NPI 1174856280 (602) 344-1095
Association Of Chmc And University Physicians
962 mi
Pediatrics
969 STEVENS DR, SUITE 1B
Richland, WA 99352
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: The Association Of Chrmc And University Physicians
  • 1,443 clinicians in this Medicare group
NPI 1851680664 (509) 946-0976
The Association Of University Physicians
1,113 mi
Anesthesiology
701 5TH AVE, SUITE 700
Seattle, WA 98104
  • Reassigned Medicare billing, Washington enrollment
  • 4,364 clinicians in this Medicare group
NPI 1023041159 (206) 543-6420

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Clayton Long's NPI number?

The NPI number for Clayton Long is 1568027647. It was assigned to this individual provider in the NPPES registry on May 5, 2019.

Where is Clayton Long located?

Clayton Long practices at 1919 E Thomas Rd, Phoenix, AZ 85016. The listed phone number is (515) 460-6232.

What is Clayton Long's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Clayton Long enrolled in Medicare?

Yes. Clayton Long is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Clayton Long's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Clayton Long reassigns Medicare benefits to 4 organizations: Phoenix Children's Hospital (Phoenix, AZ), District Medical Group, Inc (Phoenix, AZ), Association Of Chmc And University Physicians (Richland, WA) and The Association Of University Physicians (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 Clayton Long's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Clayton Long accept?

Health plans from Ambetter Health, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Clayton Long 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 Clayton Long was last updated on April 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.