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Emergency Medicine

Douglas Carlson, DO

Works at hospitals in Clarksville, AR · Ada, OK · Arkansas, Oklahoma

Summary

Douglas Carlson, DO (Emergency Medicine) is listed by Medicare at 2 hospitals in Clarksville, AR and Ada, OK. NPI 1396707808. 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 Douglas Carlson, 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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
25Years since medical school (graduated 2001)
Oklahoma State University College Of Osteopathic MedicineMedical school
MaleGender (as listed)
Mercy Clinic Oklahoma CommunitiesGroup practice (+2 more)

Quick answers

Which hospitals does Douglas Carlson work at?
Medicare's official clinician data lists Douglas Carlson at 2 hospitals: Johnson Regional Medical Center and Mercy Hospital Ada. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Douglas Carlson see patients?
Medicare's clinician data lists 4 practice locations, including Clarksville, AR, Blytheville, AR and Ada, OK. Call before your visit to confirm the address.
What is Douglas Carlson's specialty?
Medicare lists Emergency Medicine as the primary specialty, and also General Practice.
Does Douglas Carlson accept Medicare assignment?
Yes. Medicare's clinician data says Douglas Carlson 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 Douglas Carlson?
(479) 754-5454, as listed in official Medicare / NPI Registry data.
What is Douglas Carlson's NPI number?
1396707808. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Douglas Carlson works

Medicare's Facility Affiliation Data lists Douglas Carlson 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 Douglas Carlson is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Douglas Carlson as a member of these groups (CMS data updated 2026-10-02).

  • Mercy Clinic Oklahoma Communities649 clinicians in the group
  • East Arkansas Emergency Physicians PLLC26 clinicians in the group
  • Newgen of Arkansas LLC13 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Arkansas →

Other emergency medicine doctors in Clarksville

Clinicians with the same Medicare primary specialty in Clarksville, AR — not a recommendation.

All emergency medicine doctors in Clarksville →

Clinician information

CredentialDO
Medical schoolOklahoma State University College Of Osteopathic Medicine
Graduation year2001
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1396707808
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