Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Michael Massaro, DO

Individual provider Internal Medicine Physician · NPI 1043897481

Michael Massaro, DO is an 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 →

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

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
Mailing address190 E Bannock St, Boise, ID 83712-6241

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

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