Healthcare Provider Details

I. General information

NPI: 1659210714
Provider Name (Legal Business Name): DIANNA GRANTHAM, P.C.
Entity Type: Organization
Gender:
Sole Proprietor:

II. Dates (important events)

Enumeration Date: 03/25/2026
Last Update Date: 03/25/2026
Certification Date: 03/25/2026
Deactivation Date:
Reactivation Date:

III. Provider practice location address

501 S 44TH ST W APT 1325
BILLINGS MT
59106-3916
US

IV. Provider business mailing address

PO BOX 30864
BILLINGS MT
59107-0864
US

V. Phone/Fax

Practice location:
  • Phone: 406-927-6119
  • Fax:
Mailing address:
  • Phone:
  • Fax:

VI. Provider taxonomy

Scope of Practice (Provider specialty)

# 1
Primary TaxonomyY
Taxonomy Code101YM0800X
TaxonomyMental Health Counselor
License Number
License Number State

VIII. Authorized Official

Name: DIANNA GRANTHAM
Title or Position: PROVIDER
Credential:
Phone: 406-927-6119