MR. DOUGLAS NEWEL CALKIN JR. M.A.
NPI 1861715500
Counselor - Professional in Denver, CO
About Mr. Douglas Newel Calkin Jr. M.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. DOUGLAS NEWEL CALKIN JR. M.A. (NPI 1861715500) is an individual professional provider in Denver, Colorado, licensed in Colorado (4487) and active in the NPI registry since March 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. Douglas Newel Calkin Jr. M.a. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Douglas Calkin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Denver, CO 80205
- Reassigned Medicare billing, Colorado enrollment
- 18 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Other Providers at the Same Location NPPES 18
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DENVER, CO 80205
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Douglas Calkin's NPI number?
The NPI number for Douglas Calkin is 1861715500. It was assigned to this individual provider in the NPPES registry on March 9, 2010.
Where is Douglas Calkin located?
Douglas Calkin practices at 2100 N Broadway, Denver, CO 80205. The listed phone number is (303) 297-4069.
What is Douglas Calkin's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.
Is Douglas Calkin enrolled in Medicare?
Yes. Douglas Calkin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Douglas Calkin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Douglas Calkin reassigns Medicare benefits to Colorado Coalition For The Homeless (Denver, CO). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Douglas Calkin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Douglas Calkin was last updated on June 30, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.