John Baker, M.D.
NPI 1124061262 · Internal Medicine Physician · Twin Falls, ID
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Baker, M.D. is a Internal Medicine Physician provider in Twin Falls, ID (NPI 1124061262).
Provider details
- NPI number
- 1124061262
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- M8866 (ID)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,469 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 672 | $90 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 615 | $7 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 95 | $61 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report Only93010 | 38 | $8 |
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 27 | $133 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 182 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Levothyroxine Sodium | 887 | 200 |
| Omeprazole | 572 | 148 |
| Atorvastatin Calcium | 545 | 143 |
| Amlodipine Besylate | 481 | 128 |
| Lisinopril | 468 | 121 |
| Rosuvastatin Calcium | 314 | 88 |
| Losartan Potassium |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-14
- Last updated
- 2014-12-04
Frequently asked questions
- What is John Baker's NPI number?
- John Baker's National Provider Identifier (NPI) is 1124061262, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Baker's specialty?
- John Baker is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is John Baker located?
- John Baker's practice location on file with NPPES is 775 Pole Line Rd W, Twin Falls, ID 83301-5814.
- What is John Baker's phone number?
- The practice phone number listed in the NPPES registry for John Baker is (208) 814-8600.
- Does John Baker accept Medicare?
- John Baker is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Baker's NPI active?
- Yes — John Baker's NPI (1124061262) is active in the NPPES registry as of the last update on 2014-12-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.