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MRS. HOLLY ELIZABETH GRENNAN SUDPT
NPI 1235085341
Counselor - Addiction (Substance Use Disorder) in Wenatchee, WA

Active since March 10, 2026
327 OKANOGAN AVE, WENATCHEE, WA 98801(509) 662-9673(509) 662-9441 Get Directions Write a Review

NPPES record last updated: March 10, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Mrs. Holly Elizabeth Grennan Sudpt NPPES

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

MRS. HOLLY ELIZABETH GRENNAN SUDPT (NPI 1235085341) is an individual addiction (substance use disorder) provider in Wenatchee, Washington, licensed in Washington (CO70070799) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1235085341
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMRS. HOLLY ELIZABETH GRENNANCredential: SUDPT
Location Address327 OKANOGAN AVEWenatchee, WA 98801
Mailing AddressP.o. Box 950, Wenatchee Wa 98807, 327 Okanogan AveWenatchee, WA 98801 · (509) 662-9673 · Fax (509) 662-9441
Phone(509) 662-9673
Fax(509) 662-9441
Sole ProprietorNo
Enumeration DateMarch 10, 2026
✔ NPI 1235085341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers
Taxonomy Code101YA0400X
License✔ Licensed in WA · CO70070799
327 OKANOGAN AVE, Wenatchee, WA 98801
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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.

THE CENTER FOR ALCOHOL AND DRUG TREATMENT
Clinic/Center (Rehabilitation, Substance Use Disorder)
327 OKANOGAN AVE
WENATCHEE, WA 98801
Chelan County (509) 662-9673
MR. CHRIS C. TIPPETT CDP
Counselor (Addiction (Substance Use Disorder))
327 OKANOGAN AVE
WINATCHEE, WA 98801
Chelan County (509) 662-9673
MS. LORETTA J STOVER CDP
Counselor (Addiction (Substance Use Disorder))
327 OKANOGAN AVE
WENATCHEE, WA 98801
Chelan County (509) 662-9673
MR. BENJAMIN MICHAEL VALDEZ CDPT
Counselor (Addiction (Substance Use Disorder))
327 OKANOGAN AVE
WENATCHEE, WA 98801
Chelan County (509) 662-9673
MS. AMANDA FAY BATES CDPT
Counselor (Addiction (Substance Use Disorder))
327 OKANOGAN AVE
WENATCHEE, WA 98801
Chelan County (509) 662-9673
MRS. TREESA K TUDESQUE C.D.P.T.
Counselor (Addiction (Substance Use Disorder))
327 OKANOGAN AVE
WENATCHEE, WA 98801
Chelan County (509) 662-9673
ARMENTIA MARIE TENNER MICHELSEN REED CDP
Counselor (Addiction (Substance Use Disorder))
327 OKANOGAN AVE
WENATCHEE, WA 98801
Chelan County (509) 662-9673
CAROLYN MARIE MARTINEZ CDP
Counselor (Addiction (Substance Use Disorder))
327 OKANOGAN AVE
WENATCHEE, WA 98801
Chelan County (509) 662-9673

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 Holly Grennan's NPI number?

The NPI number for Holly Grennan is 1235085341. It was assigned to this individual provider in the NPPES registry on March 10, 2026.

Where is Holly Grennan located?

Holly Grennan practices at 327 Okanogan Ave, Wenatchee, WA 98801. The listed phone number is (509) 662-9673.

What is Holly Grennan's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for Holly Grennan was last updated on March 10, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.