JAMES ALTON WILLIAMS MD
NPI 1316930837
Pediatrics - Pediatric Hematology-Oncology in Mesa, AZ

Active since August 30, 2005PECOS EnrolledAccepts Medicare Assignment
5131 E SOUTHERN AVE, MESA, AZ 85206(602) 546-0920(602) 546-0276 Get Directions Write a Review

NPPES record last updated: September 13, 2017. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About James Alton Williams Md NPPES

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

JAMES ALTON WILLIAMS MD (NPI 1316930837) is an individual pediatric hematology-oncology provider in Mesa, Arizona, licensed in Arizona (333911) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Wayne State University School Of Medicine (1993).

NPPES Registry Identity

NPI1316930837
Entity TypeIndividualMale
Primary Taxonomy2080P0207X
Provider Legal NameJAMES ALTON WILLIAMSCredential: MD
Location Address5131 E SOUTHERN AVEMesa, AZ 85206-2799
Mailing Address3200 E Camelback Rd, Ste 250Phoenix, AZ 85018-2327 · (602) 933-1814 · Fax (602) 933-1820
Fax(602) 546-0276
Sole ProprietorNo
Medical School CMSWayne State University School Of MedicineGraduated 1993
Enumeration DateAugust 30, 2005
Last NPPES UpdateSeptember 13, 2017
NPI 1316930837 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
License Licensed in AZ · 333911
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
5131 E SOUTHERN AVE, Mesa, AZ 85206

Other Identifiers 3

Medicaid905036AZ
Medicare UPINH02605
Medicare ID-Type Unspecified101884AZ · Individual

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

James Alton Williams Md 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 ID7618923996
PECOS Enrollment IDI20050330000218
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.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pediatrics
5131 E SOUTHERN AVE
MESA, AZ 85206
Speech-Language Pathologist
5131 E SOUTHERN AVE
MESA, AZ 85206
Pediatrics
5131 E SOUTHERN AVE
MESA, AZ 85206
Clinic/Center (Urgent Care)
5131 E SOUTHERN AVE
MESA, AZ 85206
General Acute Care Hospital (Children)
5131 E SOUTHERN AVE
MESA, AZ 85206
Physician Assistant
5131 E SOUTHERN AVE
MESA, AZ 85206
Clinic/Center (Multi-Specialty)
5131 E SOUTHERN AVE
MESA, AZ 85206
Pediatrics (Pediatric Hematology-Oncology)
5131 E SOUTHERN AVE
MESA, AZ 85206

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 James Williams's NPI number?

The NPI number for James Williams is 1316930837. It was assigned to this individual provider in the NPPES registry on August 30, 2005.

Where is James Williams located?

James Williams practices at 5131 E Southern Ave, Mesa, AZ 85206. The listed phone number is (602) 546-0920.

What is James Williams's specialty?

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

Is James Williams enrolled in Medicare?

Yes. James 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.

What insurance does James Williams accept?

Health plans from Blue Cross Blue Shield of Arizona list James 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 James Williams was last updated on September 13, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.