Provider Profile
Clark Duffy
Unclaimed ProfileAbout Clark Duffy
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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
- (971) 244-9000
- Email not available
Practice Locations
914 NW 13TH AVE
Portland, OR 97209
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 physical therapists at this location 6
Same specialty, same street address — most likely the same department or group.
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.
Common questions
What is Clark Duffy's specialty?
Clark Duffy is a physical therapist in Portland, OR. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Clark Duffy?
Clark Duffy is listed at 914 Nw 13Th Ave, Portland, OR 97209. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Clark Duffy?
The number on file is (971) 244-9000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Clark Duffy's NPI number?
Clark Duffy's National Provider Identifier is 1619102928. 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 Clark Duffy been practicing?
Clark Duffy has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Clark Duffy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Clark Duffy. 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.