DOUGLAS MCLENNAN CALKIN JR.
NPI 1134468119
Counselor - Addiction (Substance Use Disorder) in Napa, CA

Active since February 11, 2013
2100 NAPA VALLEJO HWY, BLDG. 253 M1 AND M2, NAPA, CA 94558(707) 257-7395(707) 257-7524 Get Directions Write a Review

NPPES record last updated: February 11, 2013. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Douglas Mclennan Calkin Jr. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DOUGLAS MCLENNAN CALKIN JR. (NPI 1134468119) is an individual addiction (substance use disorder) provider in Napa, California and active in the NPI registry since February 2013.

NPPES Registry Identity

NPI1134468119
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameDOUGLAS MCLENNAN CALKIN JR.
Location Address2100 NAPA VALLEJO HWY, BLDG. 253 M1 AND M2Napa, CA 94558-6234
Mailing Address2100 Napa Vallejo Hwy, Bldg. 253 M1 And M2Napa, CA 94558-6234 · (707) 257-7395 · Fax (707) 257-7524
Fax(707) 257-7524
Sole ProprietorYes
Enumeration DateFebruary 11, 2013
NPI 1134468119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
2100 NAPA VALLEJO HWY, Napa, CA 94558

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Substance Abuse Rehabilitation Facility
2100 NAPA VALLEJO HWY, M-1 M-2
NAPA, CA 94558
Psychologist (Clinical)
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist (Clinical)
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Internal Medicine
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Social Worker (Clinical)
2100 NAPA VALLEJO HWY
NAPA, CA 94558
Psychologist
2100 NAPA VALLEJO HWY
NAPA, CA 94558

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 1134468119. It was assigned to this individual provider in the NPPES registry on February 11, 2013.

Where is Douglas Calkin located?

Douglas Calkin practices at 2100 Napa Vallejo Hwy Bldg. 253 M1 And M2, Napa, CA 94558. The listed phone number is (707) 257-7395.

What is Douglas Calkin's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Douglas Calkin was last updated on February 11, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.