Grant Guiley, LMHC
NPI 1366825283 · Mental Health Counselor · Spokane, WA
Enrolled with Medicare as Practitioner - Mental Health Counselor · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Grant Guiley, LMHC is a Mental Health Counselor provider in Spokane, WA (NPI 1366825283).
Provider details
- NPI number
- 1366825283
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Credential
- LMHC
- Sex
- Male
- Sole proprietor
- No
- License
- 3129 (TN)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
10 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
Mailing address
Registry dates
- Enumerated
- 2015-07-09
- Last updated
- 2023-01-19
- Certified
- 2023-01-19
Frequently asked questions
- What is Grant Guiley's NPI number?
- Grant Guiley's National Provider Identifier (NPI) is 1366825283, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Grant Guiley's specialty?
- Grant Guiley is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Grant Guiley located?
- Grant Guiley's practice location on file with NPPES is 505 E Stonewall Ave, Spokane, WA 99208-5747.
- What is Grant Guiley's phone number?
- The practice phone number listed in the NPPES registry for Grant Guiley is (509) 444-8200.
- Does Grant Guiley accept Medicare?
- Grant Guiley is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Grant Guiley's NPI active?
- Yes — Grant Guiley's NPI (1366825283) is active in the NPPES registry as of the last update on 2023-01-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.