NPI age
20 years
Enumerated 2006-03-31
● Active
Type 1 · Individual
Mark Allen McCullough, LCSW
McCullough is 1 of 576 social worker providers in Boise and 1 of 2000 in Idaho.
Primary specialty
Social Worker
Licensed in
ID
1 state
Status
Active
No deactivations on record
Last NPPES update
2008-07-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 2000 active social worker providers in Idaho.
NPI age
20 years
↑ 10 yr above median (10 yr)
State licenses
1 state
9% of peers hold multiple states
Subspecialties
0
29% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-03Enumerated in NPPES
2006
2026
Where they practice
Practice location
5400 W Franklin Road, Suite H
Boise, ID 83705
Mailing address
Po Box 9, 211 16th Avenue North
Nampa, ID 836530009
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...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (ID) | 1690636 | CIGNA MEDICARE |
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 12 new social worker providers have been added in Boise in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 2000 Social Worker providers in Idaho?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- 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.