Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

WINNIE MONOHAN MS, CGC
NPI 1912860776
Genetic Counselor, MS in Longview, WA

Active since December 08, 2025
1615 DELAWARE ST, LONGVIEW, WA 98632(360) 414-7878(360) 414-7876 Get Directions Write a Review

NPPES record last updated: August 26, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Aug 26, 2026, Dec 9, 2025 (2 updates tracked since 2025).

About Winnie Monohan Ms, Cgc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

WINNIE MONOHAN MS, CGC (NPI 1912860776) is an individual genetic counselor, ms provider in Longview, Washington, licensed in Washington (70078113) and active in the NPI registry since December 2025. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1912860776
Entity TypeIndividualFemale
Primary Taxonomy170300000X
Provider Legal NameWINNIE MONOHANCredential: MS, CGC
Location Address1615 DELAWARE STLongview, WA 98632-2367
Mailing AddressPo Box 2649Olympia, WA 98507-2649
Fax(360) 414-7876
Sole ProprietorNo
Enumeration DateDecember 8, 2025
Last NPPES UpdateAugust 26, 20262 updates tracked since enumeration
NPPES CertifiedAugust 26, 2026
NPI 1912860776 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyGenetic Counselor, MSOther Service Providers
Taxonomy Code170300000X
License Licensed in WA · 70078113
Definition
A masters trained health care provider who collects and interprets genetic family histories; assesses the risk of disease occurrence or recurrence; identifies interventions to manage or ameliorate disease risk; educates about inheritance, testing, management, prevention, ethical issues, resources, and research; and counsels to promote informed choices and adaptation. Certification was established in 1993 by the American Board of Genetic Counseling and prior to that by the American Board of Medical Genetics. Requirements for experience, licensure, and job responsibilities vary among the states.
1615 DELAWARE ST, Longview, WA 98632

Secondary Practice Locations 2

Location 1505 NE 87th AveVancouver, WA 98664-1989 · Phone (360) 514-2550 · Fax (360) 514-1927
Location 22008 Caton Way SW Ste A2Olympia, WA 98502-2100 · Phone (844) 743-6384

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Radiology (Radiation Oncology)
1615 DELAWARE ST
LONGVIEW, WA 98632
Nurse Practitioner (Family)
1615 DELAWARE ST
LONGVIEW, WA 98632
Internal Medicine (Hematology)
1615 DELAWARE ST
LONGVIEW, WA 98632
Nurse Anesthetist, Certified Registered
1615 DELAWARE ST
LONGVIEW, WA 98632
Pharmacist
1615 DELAWARE ST
LONGVIEW, WA 98632
Nurse Practitioner (Family)
1615 DELAWARE ST
LONGVIEW, WA 98632
Surgery
1615 DELAWARE ST
LONGVIEW, WA 98632
Pharmacist
1615 DELAWARE ST
LONGVIEW, WA 98632

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Winnie Monohan's NPI number?

The NPI number for Winnie Monohan is 1912860776. It was assigned to this individual provider in the NPPES registry on December 8, 2025.

Where is Winnie Monohan located?

Winnie Monohan practices at 1615 Delaware St, Longview, WA 98632. The listed phone number is (360) 414-7878.

What is Winnie Monohan's specialty?

The primary specialty registered for this NPI is Genetic Counselor, MS with taxonomy code 170300000X.

When was this NPI record last updated?

The NPPES record for Winnie Monohan was last updated on August 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.