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

Michael Massaro, DO

Individual provider Internal Medicine Physician · NPI 1043897481

Michael Massaro, DO practises Internal Medicine in Twin Falls, Idaho. Graduated from Marian University College of Osteopathic Medicine in 2021, 5 years ago. Practices with St Lukes Clinic-Treasure Valley LLC, a 1,150-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Idaho and Indiana.

Years since qualifying
5
Trained at
Marian University College of Osteopathic Medicine
Licensed in
ID, IN
In the registry since
2021
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

801 Pole Line Rd W
Twin Falls, ID 83301-5799
Phone: (208) 814-4100
Fax: (208) 814-4908
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (3)

  • 190 E Bannock St, Boise, ID 83712-6241 — (208) 381-5015
  • 2001 W 86th St, Indianapolis, IN 46260-1902 — (317) 338-2345
  • 8414 Naab Rd Ste 100, Indianapolis, IN 46260-1972 — (317) 338-7510

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 7971137 (ID)
Internal Medicine Physician Taxonomy 207R00000X · Licence 02007224A (IN)

Record details

NPI number1043897481
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedMarch 24, 2021
Last updated in NPPESJuly 1, 2026
Certification dateJuly 1, 2026

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolMARIAN UNIVERSITY COLLEGE OF OSTEOPATHIC MEDICINE
Graduated 2021 (5 years in practice)
Group practice St Lukes Clinic-Treasure Valley Llc — 1150 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 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 patients90
Services billed 267 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 Twin Falls