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Internal Medicine

Allan B. Ohman, MD

Sees patients in Richland Hills, TX · Texas

Summary

Allan B. Ohman, MD (Internal Medicine) is enrolled with Medicare at 1 practice location in Richland Hills, TX. NPI 1144281171. 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 Allan B. Ohman, 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)
University Of Texas Southwestern Medical School At DallasMedical school
MaleGender (as listed)
Catalyst Physician Group - NTX, PLLCGroup practice

Quick answers

Where does Allan B. Ohman see patients?
Medicare's clinician data lists 1 practice location in Richland Hills, TX. Call before your visit to confirm the address.
What is Allan B. Ohman's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Allan B. Ohman accept Medicare assignment?
Yes. Medicare's clinician data says Allan B. Ohman 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 Allan B. Ohman?
(817) 274-2578, as listed in official Medicare / NPI Registry data.
What is Allan B. Ohman's NPI number?
1144281171. 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 Allan B. Ohman is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Allan B. Ohman as a member of this group (CMS data updated 2026-10-02).

  • Catalyst Physician Group - NTX, PLLC86 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Texas

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

All internal medicine doctors in Texas →

Clinician information

CredentialMD
Medical schoolUniversity Of Texas Southwestern Medical School At Dallas
Graduation year1994
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144281171
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