Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Douglas B McMahon, DO

Individual provider Family Medicine Physician · NPI 1568555001

Dr. Douglas B McMahon, DO is registered under Family Practice in Boise, Idaho. Graduated from Philadelphia College of Osteopathic Medicine in 1993, 33 years ago. Practices with St Lukes Clinic-Treasure Valley LLC, a 1,150-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Idaho and Oregon.

Years since qualifying
33
Trained at
Philadelphia College of Osteopathic Medicine
Licensed in
ID, OR
In the registry since
2006
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

12080 W McMillan Rd
Boise, ID 83713-2462
Phone: (208) 375-4955
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2841 Avenue G, Suite 100, White City, OR 97503-3030 — (541) 826-5252

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 0-1839 (ID)
Family Medicine Physician Taxonomy 207Q00000X · Licence DO19768 (OR)

Record details

NPI number1568555001
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 2, 2006
Last updated in NPPESJanuary 16, 2026
Certification dateJanuary 16, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolPHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 1993 (33 years in practice)
Group practice St Lukes Clinic-Treasure Valley Llc — 1150 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients278
Services billed 505 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at St Lukes Clinic-Treasure Valley LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 1150 clinicians in the practice; 12 are shown here.

Other providers in Boise