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

John A Baker, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1124061262

John A Baker, MD is an Internal Medicine in Twin Falls, Idaho. Graduated from University of South Florida College of Medicine in 1980, 46 years ago. Practices with St Lukes Clinic LLC, a 310-clinician group and accepts Medicare assignment. Licensed in Idaho.

Years since qualifying
46
Trained at
University of South Florida College of Medicine
Licensed in
ID
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

775 Pole Line Rd W Ste 302
Twin Falls, ID 83301-5814
Phone: (208) 814-8600
Fax: (208) 814-8942
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence M8866 (ID)
Geriatric Medicine (Internal Medicine) Physician Taxonomy 207RG0300X · Licence M8866 (ID)

Record details

NPI number1124061262
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 14, 2006
Last updated in NPPESDecember 4, 2014
Mailing addressPo Box 587, Twin Falls, ID 83303-0587

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF SOUTH FLORIDA COLLEGE OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice St Lukes Clinic Llc — 310 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare