Holly Grennan, SUDPT
NPI 1235085341 · Addiction (Substance Use Disorder) Counselor · Wenatchee, WA
Holly Grennan, SUDPT is a Addiction (Substance Use Disorder) Counselor provider in Wenatchee, WA (NPI 1235085341).
Provider details
- NPI number
- 1235085341
- Entity type
- Individual
- Primary specialty
- Addiction (Substance Use Disorder) CounselorBehavioral Health & Social Service Providers
- Credential
- SUDPT
- Sex
- Female
- Sole proprietor
- No
- License
- CO70070799 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
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
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
Mailing address
Registry dates
- Enumerated
- 2026-03-10
- Last updated
- 2026-03-10
Frequently asked questions
- What is Holly Grennan's NPI number?
- Holly Grennan's National Provider Identifier (NPI) is 1235085341, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Holly Grennan's specialty?
- Holly Grennan is listed in the NPPES registry with a primary specialty of Addiction (Substance Use Disorder) Counselor (Behavioral Health & Social Service Providers).
- Where is Holly Grennan located?
- Holly Grennan's practice location on file with NPPES is 327 Okanogan Ave, Wenatchee, WA 98801.
- What is Holly Grennan's phone number?
- The practice phone number listed in the NPPES registry for Holly Grennan is (509) 662-9673.
- Is Holly Grennan's NPI active?
- Yes — Holly Grennan's NPI (1235085341) is active in the NPPES registry as of the last update on 2026-03-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.