Doctor profile · Federal record

Dr. John Baker, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Geriatric Medicine (Internal Medicine) Physician · Twin Falls, ID

  • NPI 1124061262
  • Accepts Medicare
  • 46 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
775 Pole Line RD W, Suite 302
Twin Falls, ID 833015814
(208) 814-8600
fax (208) 814-8942
Mailing address
Po Box 587
Twin Falls, ID 833030587

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 4, 2014
Year of graduation
1980 — 46 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Idaho #M8866
Medicaid
ID #806703100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124061262. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,642
Distinct HCPCS
6
Medicare allowed
$87,430
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 743 333 $91
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 685 605 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 120 103 $61
93010 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 40 39 $8
99215 Established patient office or other outpatient visit, 40-54 minutes 34 30 $133
99495 Transitional care management services for problem of at least moderate complexity 20 17 $130

In context: peer comparison

Among 9 peers in this city , average services per provider: 116. This provider delivers 14× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
5,529
Patients
1,341
Total drug cost
$86,137
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 934 207 $16,252
Omeprazole Generic 586 149 $7,680
Atorvastatin Calcium Generic 544 138 $6,751
Lisinopril Generic 519 126 $3,729
Amlodipine Besylate Generic 513 124 $3,112
Losartan Potassium Generic 304 82 $3,991
Pantoprazole Sodium Generic 272 70 $4,935
Furosemide Generic 267 69 $1,042
Gabapentin Generic 260 52 $5,412
Metoprolol Succinate Generic 244 70 $5,460

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. John Baker's medical specialty?
Dr. John Baker practices Internal Medicine Physician in Twin Falls, ID.
Where does Dr. John Baker practice?
Dr. John Baker practices at 775 Pole Line RD W, Twin Falls, ID 833015814. Office phone: 2088148600.
What is Dr. John Baker's NPI?
Dr. John Baker's National Provider Identifier (NPI) is 1124061262, issued by NPPES.
Does Dr. John Baker accept Medicare assignment?
Yes. Dr. John Baker accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Baker commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only (HCPCS 93010); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.