What is Shelby Duffer's NPI number?

Shelby Duffer's National Provider Identifier (NPI) is 1720078538, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Shelby Duffer's specialty?

Shelby Duffer is listed in the NPPES registry with a primary specialty of Genetic Counselor (M.S.) (Other Service Providers).

Where is Shelby Duffer located?

Shelby Duffer's practice location on file with NPPES is 3015 Williams Dr, Fairfax, VA 22031-4623.

What is Shelby Duffer's phone number?

The practice phone number listed in the NPPES registry for Shelby Duffer is (703) 698-3916.

Is Shelby Duffer's NPI active?

Yes — Shelby Duffer's NPI (1720078538) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Shelby Duffer, MS, CGC

NPI 1720078538 · Genetic Counselor (M.S.) · Fairfax, VA

Shelby Duffer, MS, CGC is a Genetic Counselor (M.S.) provider in Fairfax, VA (NPI 1720078538).

Provider details

NPI number: 1720078538
Entity type: Individual
Primary specialty: Genetic Counselor (M.S.)Other Service Providers
Credential: MS, CGC
Sex: Female

Specialties & taxonomies

Genetic Counselor (M.S.)Primary170300000X
Other Service Providers

Profile Score

Detailed profile(84/100 index)

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

Registry tenure38% of score
20 yrs in NPPES 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

3015 Williams Dr

Fairfax, VA 22031-4623

Phone: (703) 698-3916

Fax: (703) 698-1137

Approximate (ZIP-level) locationGet directions

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Mailing address