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Edit this profileWhere to find Cortney D. Duffy, PhD
- Duluth location main office
306 W Superior St Ste 405, Duluth, MN 55802 - Duluth location
2827 Jefferson St, Duluth, MN 55812
About Dr. Duffy
Cortney D. Duffy, PhD is a psychologist — clinical based in Duluth, MN. Cortney is also listed as specializing in psychologist. The provider's National Provider Identifier (NPI) is 1740763085.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (218) 203-9335
- Email not available
Practice Locations
306 W SUPERIOR ST STE 405
Duluth, MN 55802
2827 Jefferson St
Duluth, MN 55812
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 psychologists at this location 4
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 — 22 related providers in 3 groups
Other psychologists in Duluth 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Cortney D. Duffy?
Cortney D. Duffy is a psychologist in Duluth, MN. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
What is Cortney D. Duffy's address?
Cortney D. Duffy is listed at 306 W Superior St Ste 405, Duluth, MN 55802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Cortney D. Duffy?
The number on file is (218) 203-9335. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Cortney D. Duffy?
Cortney D. Duffy's National Provider Identifier is 1740763085. 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
Where did Cortney D. Duffy train?
Cortney D. Duffy attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Cortney D. Duffy have?
Cortney D. Duffy has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
Is Cortney D. Duffy's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Cortney D. Duffy. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.