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Mental Health Counselor

John L. Sundeen

Sees patients in Taos, NM · Las Vegas, NM · New Mexico

Summary

John L. Sundeen (Mental Health Counselor) is enrolled with Medicare at 2 practice locations in Taos, NM and Las Vegas, NM. NPI 1487904884. 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 John L. Sundeen, 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

Mental Health CounselorPrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
MaleGender (as listed)
Rio Grande Alcoholism Treatment Center IncorporatedGroup practice

Quick answers

Where does John L. Sundeen see patients?
Medicare's clinician data lists 2 practice locations, including Taos, NM and Las Vegas, NM. Call before your visit to confirm the address.
What is John L. Sundeen's specialty?
Medicare lists Mental Health Counselor as the primary specialty.
Does John L. Sundeen accept Medicare assignment?
Yes. Medicare's clinician data says John L. Sundeen 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 L. Sundeen?
(575) 737-5533, as listed in official Medicare / NPI Registry data.
What is John L. Sundeen's NPI number?
1487904884. 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 John L. Sundeen is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Rio Grande Alcoholism Treatment Center Incorporated4 clinicians in the group

Specialties

Find other clinicians: Mental Health Counselor, New Mexico →

Other mental health counselors in Taos

Clinicians with the same Medicare primary specialty in Taos, NM — not a recommendation.

All mental health counselors in Taos →

Clinician information

Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1487904884
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