Dianna Grantham, PC
Dianna Grantham, PC is a Mental Health Counselor in Billings, Montana. Registered with an NPI since 2026.
- In the registry since
- 2026
What do these letters mean?
- PC — Professional corporation
- A form of business registration, not a clinical qualification.
Practice location Address checks out
501 S 44th St W Apt 1325Billings, MT 59106-3916
Phone: (406) 927-6119
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Mental Health Counselor (primary) | Taxonomy 101YM0800X |
|---|
Record details
| NPI number | 1659210714 |
|---|---|
| Entity type | Organization (Type 2) |
| Organization subpart | No |
| Authorized official | Dianna Grantham — Provider · (406) 927-6119 |
| NPI enumerated | March 25, 2026 |
| Last updated in NPPES | March 25, 2026 |
| Certification date | March 25, 2026 |
| Mailing address | Po Box 30864, Billings, MT 59107-0864 |
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