Physician Profile
Duane Claassen, M.D.
Unclaimed ProfileAbout Dr. Claassen
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Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Contact Information
- (303) 233-8295
- Email not available
Practice Locations
1707 COLE BLVD STE 150
Golden, CO 80401
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other family doctors at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 8 related providers in 1 group
Common questions
What does Duane Claassen specialize in?
Duane Claassen is a family doctor in Golden, CO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Family Medicine”.
NPI registry
Where is Duane Claassen located?
Duane Claassen is listed at 1707 Cole Blvd Ste 150, Golden, CO 80401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Duane Claassen's phone number?
The number on file is (303) 233-8295. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Duane Claassen's NPI number?
Duane Claassen's National Provider Identifier is 1497759880. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
How long has Duane Claassen been practicing?
Duane Claassen has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Duane Claassen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Duane Claassen. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.