Doctor profile · Federal record

Dr. James Koller, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Columbia, MO

  • NPI 1851338586
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
101 S Fairview RD
Columbia, MO 652037637
(573) 882-4464
fax (573) 884-8142
Mailing address
Po Box 843966
Kansas City, MO 641843966

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 2, 2022
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Missouri #110284
Medicaid
MO #208291203

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851338586. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
225
Distinct HCPCS
3
Medicare allowed
$25,324
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 106 71 $93
99215 Established patient office or other outpatient visit, 40-54 minutes 67 44 $137
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 52 52 $121

In context: peer comparison

Among 30 peers in Columbia Internal Medicine Physician, average services per provider: 94. This provider delivers 2.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,406
Patients
664
Total drug cost
$49,564
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 284 67 $4,892
Hydrochlorothiazide Generic 277 66 $2,273
Lisinopril Generic 222 62 $3,237
Levothyroxine Sodium Generic 207 47 $4,670
Rosuvastatin Calcium Generic 202 60 $5,611
Omeprazole Generic 181 50 $3,841
Losartan Potassium Generic 166 45 $3,316
Amlodipine Besylate Generic 140 40 $1,377
Tamsulosin Hcl Generic 133 40 $5,005
Gabapentin Generic 129 39 $4,761

Frequently asked questions

Auto-generated from federal data
What is Dr. James Koller's medical specialty?
Dr. James Koller practices Internal Medicine Physician in Columbia, MO.
Where does Dr. James Koller practice?
Dr. James Koller practices at 101 S Fairview RD, Columbia, MO 652037637. Office phone: 5738824464.
What is Dr. James Koller's NPI?
Dr. James Koller's National Provider Identifier (NPI) is 1851338586, issued by NPPES.
Does Dr. James Koller accept Medicare assignment?
Yes. Dr. James Koller accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Koller commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.