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Internal Medicine

James T. Whitfill, MD

Sees patients in Phoenix, AZ · Glendale, AZ · Arizona

Summary

James T. Whitfill, MD (Internal Medicine) is enrolled with Medicare at 2 practice locations in Phoenix, AZ and Glendale, AZ. NPI 1326280405. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about James T. Whitfill, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
32Years since medical school (graduated 1994)
Perelman School Of Med At The University Of PennsylvaniaMedical school
MaleGender (as listed)
HonorHealth Medical Group, LLCGroup practice

Quick answers

Where does James T. Whitfill see patients?
Medicare's clinician data lists 2 practice locations, including Phoenix, AZ and Glendale, AZ. Call before your visit to confirm the address.
What is James T. Whitfill's specialty?
Medicare lists Internal Medicine as the primary specialty, and also Preventive Medicine.
Does James T. Whitfill accept Medicare assignment?
Yes. Medicare's clinician data says James T. Whitfill accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for James T. Whitfill?
(602) 992-1900, as listed in official Medicare / NPI Registry data.
What is James T. Whitfill's NPI number?
1326280405. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where James T. Whitfill is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists James T. Whitfill as a member of this group (CMS data updated 2026-10-02).

  • HonorHealth Medical Group, LLC332 clinicians in the group

Specialties

Find other Internal Medicine doctors in Arizona →

Other internal medicine doctors in Phoenix

Clinicians with the same Medicare primary specialty in Phoenix, AZ — not a recommendation.

All internal medicine doctors in Phoenix →

Clinician information

CredentialMD
Medical schoolPerelman School Of Med At The University Of Pennsylvania
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1326280405
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians