NPI age
12 years
Enumerated 2014-05-09
● Active
Type 1 · Individual
Michael James Twomey, MD
Twomey is 1 of 385 family medicine providers in Boise and 1 of 1691 in Idaho.
Primary specialty
Family Medicine
Plus 2 subspecialties
Licensed in
ID, OR
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-01-05
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
12 years
↓ 5 yr below median (17 yr)
State licenses
2 states
Top 85% — 14% of peers are multi-state
Subspecialties
0
31% of peers hold subspecialties
NPI lifetime · 2014 → 2026
2014-05Enumerated in NPPES
2014
2026
Where they practice
Practice location
2141 E Parkcenter Blvd
Boise, ID 837066701
Mailing address
Po Box 190930
Boise, ID 837190930
Additional practice locations
3 secondary locations on file with NPPES.
Location 2
1510 12th Ave Rd Ste 200
Nampa, ID 836866008
Location 3
207 E 12th St
Emmett, ID 836173626
Location 4
3325 Pocahontas Rd
Baker City, OR 978141464
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...
Practice context
Part of a multi-provider practice. 5 other active providers share 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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- 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.