DR. DENNIS H OLSON M.D.
NPI 1841397254
Specialist in Thornton, CO

Active since September 20, 2006PECOS Enrolled
9141 GRANT ST STE B40, THORNTON, CO 80229(303) 452-7700 Get Directions Write a Review

NPPES record last updated: December 28, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 28, 2021, Dec 1, 2021 (2 updates tracked since 2021).

About Dr. Dennis H Olson M.d. NPPES

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

DR. DENNIS H OLSON M.D. (NPI 1841397254) is an individual specialist in Thornton, Colorado, licensed in Colorado (16794) and active in the NPI registry since September 2006. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1841397254
Entity TypeIndividualMale
Primary Taxonomy174400000X
Provider Legal NameDR. DENNIS H OLSONCredential: M.D.
Location Address9141 GRANT ST STE B40Thornton, CO 80229-4367
Mailing Address1103 Woodland LaneEvergreen, CO 80439-9732 · (303) 439-7400 · Fax (303) 465-3543
Sole ProprietorYes
Enumeration DateSeptember 20, 2006
Last NPPES UpdateDecember 28, 20212 updates tracked since enumeration
NPPES CertifiedDecember 28, 2021
NPI 1841397254 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License Licensed in CO · 16794
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
9141 GRANT ST STE B40, Thornton, CO 80229

Other Identifiers 3

Other632901CO · Cigna
Medicaid01-167949CO
Other1C4338CO · Medicare

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Dennis H Olson M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES

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

Surgery
9141 GRANT ST STE B40
THORNTON, CO 80229

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 Dennis Olson's NPI number?

The NPI number for Dennis Olson is 1841397254. It was assigned to this individual provider in the NPPES registry on September 20, 2006.

Where is Dennis Olson located?

Dennis Olson practices at 9141 Grant St Ste B40, Thornton, CO 80229. The listed phone number is (303) 452-7700.

What is Dennis Olson's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

Is Dennis Olson enrolled in Medicare?

Yes. Dennis Olson is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Dennis Olson was last updated on December 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.