What is Jeffrey Duncan's NPI number?

Jeffrey Duncan's National Provider Identifier (NPI) is 1669321220, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jeffrey Duncan's specialty?

Jeffrey Duncan is listed in the NPPES registry with a primary specialty of Peer Specialist (Other Service Providers).

Where is Jeffrey Duncan located?

Jeffrey Duncan's practice location on file with NPPES is 104 S Front Ave, Prestonsburg, KY 41653-1614.

What is Jeffrey Duncan's phone number?

The practice phone number listed in the NPPES registry for Jeffrey Duncan is (606) 886-8572.

Is Jeffrey Duncan's NPI active?

Yes — Jeffrey Duncan's NPI (1669321220) is active in the NPPES registry as of the last update on 2026-01-27.

IndividualActive

Jeffrey Duncan, PERSP

NPI 1669321220 · Peer Specialist · Prestonsburg, KY

Jeffrey Duncan, PERSP is a Peer Specialist provider in Prestonsburg, KY (NPI 1669321220).

Provider details

NPI number: 1669321220
Entity type: Individual
Primary specialty: Peer SpecialistOther Service Providers
Credential: PERSP
Sex: Male
Sole proprietor: No

Specialties & taxonomies

Peer SpecialistPrimary175T00000X
Other Service Providers

Profile Score

Basic profile(47/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
83% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

104 S Front Ave

Prestonsburg, KY 41653-1614

Phone: (606) 886-8572

Fax: (606) 886-4433

Street-level locationGet directions

More KY providers

Mailing address