John A. Baker, M.D.
NPI 1124061262ActiveIndividual· Internal Medicine· Twin Falls, ID
Internal Medicine (M.D.) in Twin Falls, Idaho, trained at University of South Florida College of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $1,022,450 for 13,876 claims, against $55,926 paid for services in 2024. Exact Sciences Corporation reported $26.07 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1124061262 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 14, 2006 |
| Last updated in NPPES | Dec 4, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | M8866 | ID |
| Internal Medicine, Geriatric Medicine | 207RG0300X | M8866 | ID |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (ID) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 894 |
|---|---|
| Services billed | 1,499 across 17 procedure codes |
| Paid by Medicare | $55,926 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,876 · 28,522 30-day fills |
|---|---|
| Patients | 785 |
| Total drug cost | $1,022,450 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of South Florida College of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Internal Medicine |
Medical group
- St Lukes Clinic LLCTwin Falls, ID · 316 clinicians
Hospital affiliations
- Cassia Regional HospitalBurley, ID
- St Luke's JeromeJerome, ID
- St Luke's Regional Medical CenterBoise, ID
- St Luke's Wood River Medical CenterKetchum, ID
- St Lukes Magic Valley Medical CenterTwin Falls, ID
Other facilities
- Idaho Home Health & HospiceHome health agency · Twin Falls, ID
- St Lukes Home Care and HospiceHome health agency · Meridian, ID
- Visions Home Health & Visions Home Care LLCHome health agency · Twin Falls, ID
- Hospice VisionsHospice · Twin Falls, ID
Industry payments (Open Payments)
- 2025$26.07 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $26.07 | 1 |
What the 2025 payments were for
- Food and Beverage$26.07 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Twin Falls
- 1972367340
- 1467274944
- 1710865852
- 1245866185
- 1821038282
- 1336188267
- 1255575619
- 1265472781
- 1346213303
- 1740221191
- 1619931227
- 1477710838