NPI age
8 years
Enumerated 2018-01-23
● Active
Type 1 · Individual
Matthew Hallowell, LCSW
Hallowell is 1 of 576 social worker providers in Boise and 1 of 2000 in Idaho.
Primary specialty
Social Worker
Plus 1 subspecialty
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-10-24
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 2000 active social worker providers in Idaho.
NPI age
8 years
↓ 2 yr below median (10 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
1
In the 29% of peers with subspecialties
NPI lifetime · 2018 → 2026
2018-01Enumerated in NPPES
2018
2026
Where they practice
Practice location
1020 W Main St Ste 100-I
Boise, ID 837025789
Mailing address
3033 N Five Mile Rd Apt 101
Boise, ID 837135202
Specialties
-
Social Worker PrimaryA social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be...
-
CounselorDefinition to come...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (ID) | 1124526249 |
Practice context
Solo or small practice. No other active providers share this practice address in NPPES. This provider is listed as a sole proprietor.
Recently enumerated nearby: 12 new social worker providers have been added in Boise in the last 180 days.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.