What is Mary Fehn's NPI number?

Mary Fehn's National Provider Identifier (NPI) is 1912164674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Mary Fehn's specialty?

Mary Fehn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).

Where is Mary Fehn located?

Mary Fehn's practice location on file with NPPES is 10460 West Highway 24, Green Mountain Falls, CO 80819.

What is Mary Fehn's phone number?

The practice phone number listed in the NPPES registry for Mary Fehn is (719) 684-9511.

Is Mary Fehn's NPI active?

Yes — Mary Fehn's NPI (1912164674) is active in the NPPES registry as of the last update on 2008-05-20.

IndividualActive

Mary Fehn, L.C.S.W.

NPI 1912164674 · Clinical Social Worker · Green Mountain Falls, CO

Mary Fehn, L.C.S.W. is a Clinical Social Worker provider in Green Mountain Falls, CO (NPI 1912164674).

Provider details

NPI number: 1912164674
Entity type: Individual
Primary specialty: Clinical Social WorkerBehavioral Health & Social Service Providers
Credential: L.C.S.W.
Sex: Female
Sole proprietor: No
License: 391 (CO)

Specialties & taxonomies

Clinical Social WorkerPrimary1041C0700XLicense 391 (CO)
Behavioral Health & Social Service Providers

Profile Score

Detailed profile(87/100 index)

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

Registry tenure38% of score
18 yrs in NPPES registry
Profile completeness38% of score
100% 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

10460 West Highway 24

Green Mountain Falls, CO 80819

Phone: (719) 684-9511

Street-level locationGet directions

More CO providers

Mailing address

Po Box 1007

Green Mountain Falls, CO 80819-1007

Enumerated: 2008-05-20
Last updated: 2008-05-20

Frequently asked questions

What is Mary Fehn's NPI number?: Mary Fehn's National Provider Identifier (NPI) is 1912164674, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
What is Mary Fehn's specialty?: Mary Fehn is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
Where is Mary Fehn located?: Mary Fehn's practice location on file with NPPES is 10460 West Highway 24, Green Mountain Falls, CO 80819.
What is Mary Fehn's phone number?: The practice phone number listed in the NPPES registry for Mary Fehn is (719) 684-9511.
Is Mary Fehn's NPI active?: Yes — Mary Fehn's NPI (1912164674) is active in the NPPES registry as of the last update on 2008-05-20.

Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.