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DR. DUANE CLAASSEN M.D.
NPI 1497759880
Family Medicine in Golden, CO

Active since June 13, 2005
1707 COLE BLVD, STE 150, GOLDEN, CO 80401(303) 233-8295(303) 233-8443 Get Directions Write a Review

NPPES record last updated: July 20, 2010. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Duane Claassen M.d. NPPES

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

DR. DUANE CLAASSEN M.D. (NPI 1497759880) is an individual family medicine provider in Golden, Colorado, licensed in Colorado (25366) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1497759880
Entity TypeIndividualMale
Primary Taxonomy207Q00000X
Provider Legal NameDR. DUANE CLAASSENCredential: M.D.
Location Address1707 COLE BLVD, STE 150Golden, CO 80401
Mailing Address1707 Cole Blvd, Ste 250Golden, CO 80401 · (303) 716-8013 · Fax (303) 716-8056
Phone(303) 233-8295
Fax(303) 233-8443
Sole ProprietorNo
Enumeration DateJune 13, 2005
Last NPPES UpdateJuly 20, 2010
✔ NPI 1497759880 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License✔ Licensed in CO · 25366
Definition
Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.
1707 COLE BLVD, Golden, CO 80401
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Other Identifiers 3

Medicare ID-Type UnspecifiedN1034CO
Medicaid01253665CO
Medicare UPIND24621CO

Other Providers at the Same Location NPPES 19

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

MS. MICHELLE TORI CDR
Dietitian, Registered
1707 COLE BLVD, SUITE 250
GOLDEN, CO 80401
Jefferson County (303) 763-4900
GOLDEN PSYCHIATRY, LLC
Clinic/Center (Adult Mental Health)
1707 COLE BLVD, SUITE 150
GOLDEN, CO 80401
Jefferson County (303) 763-4900
DR. TATIANA O TSVETKOVA M.D.
Internal Medicine (Cardiovascular Disease)
1707 COLE BLVD, SUITE 210
GOLDEN, CO 80401
Jefferson County (303) 274-3311
ELIZABETH RAUBE RN, CDE
Registered Nurse
1707 COLE BLVD, SUITE 100
GOLDEN, CO 80401
Jefferson County (303) 763-4900
DR. ARTI KARNA MD
Internal Medicine
1707 COLE BLVD, STE #100
GOLDEN, CO 80401
Jefferson County (303) 763-4900
FRONT RANGE PSYCHIATRY
Psychologist
1707 COLE BLVD, SUITE 100
GOLDEN, CO 80401
Jefferson County (303) 716-8013
JULIE ANN HSU
Physician Assistant
1707 COLE BLVD, STE #100
GOLDEN, CO 80401
Jefferson County (303) 716-8018
NEW WEST PHYSICIANS INC
Internal Medicine
1707 COLE BLVD, SUITE 100
GOLDEN, CO 80401
Jefferson County (303) 716-8018

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 Duane Claassen's NPI number?

The NPI number for Duane Claassen is 1497759880. It was assigned to this individual provider in the NPPES registry on June 13, 2005.

Where is Duane Claassen located?

Duane Claassen practices at 1707 Cole Blvd Ste 150, Golden, CO 80401. The listed phone number is (303) 233-8295.

What is Duane Claassen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

When was this NPI record last updated?

The NPPES record for Duane Claassen was last updated on July 20, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.