Dennis H. Olson, M.D.
Specialist · Thornton, CO
Dennis H. Olson, M.D. is a specialist with a practice address in Thornton, Colorado, and NPI 1841397254, issued on Sep 20, 2006. Check the license (Colorado 16794, as entered in NPPES) with the Colorado board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Dennis H. Olson
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- 16794 CO
Self-reported in NPPES; status is on the state search - Practice location
- 9141 Grant St Ste B40, Thornton, CO 80229
- Phone
- (303) 452-7700
- Enumerated
- Sep 20, 2006
- Record last updated
- Dec 28, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicaid ID
- 01-167949 CO
- Entity
- Type 1 · individual
8 nearest specialist records → All 1,105 in Colorado → Look up another NPI →
Verify Dennis H. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Colorado board licenses this profession
Search for license 16794Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Dennis H. Olson among 1,105 specialist records in Colorado
Dennis H. Olson, M.D. is one of 1,105 specialist records with a practice address in Colorado. 12% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 76% newer
- In a Medicare fileNo · 12% of these records are
- In the CMS Doctors and Clinicians fileNo · 8% of these records are
- Record last updated2021 · 89% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Colorado practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in Colorado
There are 1,105 specialist records in Colorado. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,105 in Colorado → Every provider in Thornton → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Jennifer CoxThornton, CO 802291497299655
- Lelia JeffriesThornton, CO 802291487198669
- Jeremy Law, MDThornton, CO 802291164446076
- Lisa MackThornton, CO 802291154855872
- Michael Striplin, M.D.Thornton, CO 802291407927692
- Brianne Black, RNLakewood, CO 802281528253879
- Michael Charney, M.D.Denver, CO 802301174518609
- Mark Ebadi, MDDenver, CO 802301639140247
Common questions
What is Dennis H. Olson, M.D.'s NPI number?
Dennis H. Olson, M.D.'s National Provider Identifier (NPI) is 1841397254, issued on Sep 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis H. Olson, M.D. located?
The NPPES record lists a practice address at 9141 Grant St Ste B40, Thornton, CO, 80229. Phone: (303) 452-7700. Providers update this record themselves, so call before visiting.
How can I verify Dennis H. Olson, M.D.'s license?
NPPES lists Colorado license number 16794, as entered by the provider. Search the Colorado board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.