Dianna Grantham, LAC, LCPC
NPI 1639578974 · Professional Counselor · Billings, MT
Dianna Grantham, LAC, LCPC is a Professional Counselor provider in Billings, MT (NPI 1639578974).
Provider details
- NPI number
- 1639578974
- Entity type
- Individual
- Primary specialty
- Professional CounselorBehavioral Health & Social Service Providers
- Credential
- LAC, LCPC
- Sex
- Female
- Sole proprietor
- Yes
- License
- 0100919564120 (MT)
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
11 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
- 2014-08-21
- Last updated
- 2017-08-29
Frequently asked questions
- What is Dianna Grantham's NPI number?
- Dianna Grantham's National Provider Identifier (NPI) is 1639578974, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dianna Grantham's specialty?
- Dianna Grantham is listed in the NPPES registry with a primary specialty of Professional Counselor (Behavioral Health & Social Service Providers).
- Where is Dianna Grantham located?
- Dianna Grantham's practice location on file with NPPES is 2475 Village Ln Ste 101, Billings, MT 59102-2497.
- What is Dianna Grantham's phone number?
- The practice phone number listed in the NPPES registry for Dianna Grantham is (406) 927-6119.
- Is Dianna Grantham's NPI active?
- Yes — Dianna Grantham's NPI (1639578974) is active in the NPPES registry as of the last update on 2017-08-29.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.