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Psychiatry

Weldon J. Mallgren, DO

Sees patients in Claremore, OK · Oklahoma

Summary

Weldon J. Mallgren, DO (Psychiatry) is enrolled with Medicare at 1 practice location in Claremore, OK. NPI 1841384021. 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 Weldon J. Mallgren, 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

PsychiatryPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
33Years since medical school (graduated 1993)
Michigan College Of Medicine And SurgeryMedical school
MaleGender (as listed)
Grand Lake Mental Health Center, Inc.Group practice

Quick answers

Where does Weldon J. Mallgren see patients?
Medicare's clinician data lists 1 practice location in Claremore, OK. Call before your visit to confirm the address.
What is Weldon J. Mallgren's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Weldon J. Mallgren accept Medicare assignment?
Yes. Medicare's clinician data says Weldon J. Mallgren 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.
Does Weldon J. Mallgren offer telehealth?
Medicare's clinician data says Weldon J. Mallgren offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Weldon J. Mallgren?
(918) 342-8161, as listed in official Medicare / NPI Registry data.
What is Weldon J. Mallgren's NPI number?
1841384021. 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 Weldon J. Mallgren is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Weldon J. Mallgren as a member of this group (CMS data updated 2026-10-02).

  • Grand Lake Mental Health Center, Inc.127 clinicians in the group

Specialties

Find other Psychiatry doctors in Oklahoma →

Other psychiatrists in Claremore

Clinicians with the same Medicare primary specialty in Claremore, OK — not a recommendation.

All psychiatrists in Claremore →

Clinician information

CredentialDO
Medical schoolMichigan College Of Medicine And Surgery
Graduation year1993
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1841384021
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