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Mental Health Counselor

Douglas N. Calkin

Sees patients in Denver, CO · Colorado

Summary

Douglas N. Calkin (Mental Health Counselor) is enrolled with Medicare at 2 practice locations in Denver, CO. NPI 1861715500. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Douglas N. Calkin, 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
May acceptAccepts Medicare assignment
25Years since medical school (graduated 2001)
MaleGender (as listed)
Colorado Coalition for the HomelessGroup practice

Quick answers

Where does Douglas N. Calkin see patients?
Medicare's clinician data lists 2 practice locations, including Denver, CO. Call before your visit to confirm the address.
What is Douglas N. Calkin's specialty?
Medicare lists Mental Health Counselor as the primary specialty.
Does Douglas N. Calkin accept Medicare assignment?
Medicare's clinician data says Douglas N. Calkin may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
What is the phone number for Douglas N. Calkin?
(303) 293-2220, as listed in official Medicare / NPI Registry data.
What is Douglas N. Calkin's NPI number?
1861715500. 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 Douglas N. Calkin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Douglas N. Calkin as a member of this group (CMS data updated 2026-10-02).

  • Colorado Coalition for the Homeless46 clinicians in the group

Specialties

Find other clinicians: Mental Health Counselor, Colorado →

Other mental health counselors in Denver

Clinicians with the same Medicare primary specialty in Denver, CO — not a recommendation.

All mental health counselors in Denver →

Clinician information

Graduation year2001
Gender (as listed)Male
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1861715500
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