Doctor profile · Federal record
Dr. Steven Koga, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Caldwell, ID
- NPI 1144275512
- Accepts Medicare
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
1906 Fairview Ave Ste 230
Caldwell, ID 836055432
(208) 459-4667
fax (208) 459-3372 - Mailing address
-
Po Box 277976
Atlanta, GA 303847976
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- January 28, 2022
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Idaho #M6779
- Medicaid
- ID #002349300
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1144275512. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
721
Distinct HCPCS
10
Medicare allowed
$68,816
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 303 | 170 | $119 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 143 | 143 | $122 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 106 | 79 | $84 | |
93010 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 81 | 67 | $8 | |
83036 |
Hemoglobin a1c level | 21 | 17 | $10 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 16 | 16 | $174 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 14 | 14 | $170 | |
94726 |
Test to determine lung volumes using sensors | 13 | 13 | $11 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 12 | 12 | $10 | |
94729 |
Test to examine how well the lungs exchange gases | 12 | 12 | $8 |
In context: peer comparison
Among 1 peers in this city , average services per provider: 72. This provider delivers 10× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
4,768
Patients
1,169
Total drug cost
$63,222
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Levothyroxine Sodium | Generic | 639 | 157 | $10,651 |
| Atorvastatin Calcium | Generic | 470 | 123 | $6,502 |
| Losartan Potassium | Generic | 431 | 101 | $5,870 |
| Lisinopril | Generic | 411 | 111 | $3,014 |
| Gabapentin | Generic | 407 | 81 | $6,870 |
| Amlodipine Besylate | Generic | 333 | 79 | $1,869 |
| Omeprazole | Generic | 306 | 84 | $3,662 |
| Metformin Hcl | Generic | 283 | 71 | $3,063 |
| Potassium Chloride | Generic | 232 | 54 | $5,609 |
| Furosemide | Generic | 229 | 60 | $1,314 |
Hospital affiliations
Frequently asked questions
What is Dr. Steven Koga's medical specialty?
Dr. Steven Koga practices Internal Medicine Physician in Caldwell, ID.
Where does Dr. Steven Koga practice?
Dr. Steven Koga practices at 1906 Fairview Ave Ste 230, Caldwell, ID 836055432. Office phone: 2084594667.
What is Dr. Steven Koga's NPI?
Dr. Steven Koga's National Provider Identifier (NPI) is 1144275512, issued by NPPES.
Does Dr. Steven Koga accept Medicare assignment?
Yes. Dr. Steven Koga accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Koga commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.