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Hospitalist

John Long Iii, MD

Works at hospitals in Ada, OK · Oklahoma City, OK · Oklahoma

Summary

John Long Iii, MD (Hospitalist) is listed by Medicare at 2 hospitals in Ada, OK and Oklahoma City, OK. NPI 1396195277. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about John Long Iii, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
10Years since medical school (graduated 2016)
University Of Kansas School Of Med (kc/wich/sal)Medical school
MaleGender (as listed)
Chickasaw Nation Division of Health Chickasaw Nation Medical CenterGroup practice

Quick answers

Which hospitals does John Long Iii work at?
Medicare's official clinician data lists John Long Iii at 2 hospitals: Chickasaw Nation Medical Center and O U Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Long Iii see patients?
Medicare's clinician data lists 1 practice location in Ada, OK. Call before your visit to confirm the address.
What is John Long Iii's specialty?
Medicare lists Hospitalist as the primary specialty, and also Family Practice.
Does John Long Iii accept Medicare assignment?
Yes. Medicare's clinician data says John Long Iii 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 John Long Iii?
(580) 436-3980, as listed in official Medicare / NPI Registry data.
What is John Long Iii's NPI number?
1396195277. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Long Iii works

Medicare's Facility Affiliation Data lists John Long Iii at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where John Long Iii is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists John Long Iii as a member of this group (CMS data updated 2026-10-02).

  • Chickasaw Nation Division of Health Chickasaw Nation Medical Center240 clinicians in the group

Specialties

Find other Hospitalist doctors in Oklahoma →

Other hospitalists in Oklahoma

Clinicians with the same Medicare primary specialty in Oklahoma — not a recommendation.

All hospitalists in Oklahoma →

Clinician information

CredentialMD
Medical schoolUniversity Of Kansas School Of Med (kc/wich/sal)
Graduation year2016
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396195277
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians