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Clinical Psychologist

Mark J. Detzer

Sees patients in St Johnsbury, VT · Vermont

Summary

Mark J. Detzer (Clinical Psychologist) is enrolled with Medicare at 1 practice location in St Johnsbury, VT. NPI 1215032214. 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 Mark J. Detzer, 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

Clinical PsychologistPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
34Years since medical school (graduated 1992)
University Of Vermont College Of MedicineMedical school
MaleGender (as listed)
Northeastern Vermont Regional Hospital IncGroup practice

Quick answers

Where does Mark J. Detzer see patients?
Medicare's clinician data lists 1 practice location in St Johnsbury, VT. Call before your visit to confirm the address.
What is Mark J. Detzer's specialty?
Medicare lists Clinical Psychologist as the primary specialty.
Does Mark J. Detzer accept Medicare assignment?
Yes. Medicare's clinician data says Mark J. Detzer 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 Mark J. Detzer offer telehealth?
Medicare's clinician data says Mark J. Detzer offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mark J. Detzer?
(802) 748-8141, as listed in official Medicare / NPI Registry data.
What is Mark J. Detzer's NPI number?
1215032214. 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 Mark J. Detzer is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

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

  • Northeastern Vermont Regional Hospital Inc100 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Vermont →

Other clinical psychologists in Vermont

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

All clinical psychologists in Vermont →

Clinician information

Medical schoolUniversity Of Vermont College Of Medicine
Graduation year1992
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1215032214
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