NPI age
19 years
Enumerated 2006-10-02
● Active
Type 1 · Individual
DR. Douglas B McMahon, DO
McMahon is 1 of 385 family medicine providers in Boise and 1 of 1691 in Idaho.
Primary specialty
Family Medicine
Plus 1 subspecialty
Licensed in
ID, OR
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-01-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1691 active family medicine providers in Idaho.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
2 states
Top 85% — 14% of peers are multi-state
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
12080 W McMillan Rd
Boise, ID 837132462
Mailing address
190 E Bannock St
Boise, ID 837126241
Additional practice locations
1 secondary location on file with NPPES.
Location 2
2841 Avenue G, Suite 100
White City, OR 975033030
Specialties
-
Family Medicine PrimaryFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (OR) | 079587 | |
| 01 (OR) | 4002804-02 | REGENCE PC 65 |
| 01 (OR) | 0237420-02 | REGENCE BLUE CROSS OF OR |
| 01 (OR) | H2549-02 | PACIFIC SOURCE |
| 01 (OR) | 122912 | DEPT OF LABOR WORK COMP |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 1 other active provider shares this practice address in NPPES.
Recently enumerated nearby: 13 new family medicine providers have been added in Boise in the last 180 days.
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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.