Doctor profile · Federal record

Dr. Colin Kao, D.O.

Family Medicine Physician (CMS: Family Practice) · Family Medicine Physician · Seneca, IL

  • NPI 1023129897
  • Accepts Medicare
  • 26 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
271 N Main St
Seneca, IL 613609323
(815) 357-8511
fax (815) 357-1238
Additional location
150 W High St
Morris, IL 604501497
(815) 942-2932
Mailing address
725 School St Ste A
Morris, IL 604501207

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
April 28, 2020
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State licenses (2)
Illinois #036118116 · Kansas #05-31585

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1023129897. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
624
Distinct HCPCS
7
Medicare allowed
$69,568
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 249 147 $124
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 157 157 $126
99213 Established patient office or other outpatient visit, 20-29 minutes 152 114 $88
G0008 Administration of influenza virus vaccine 20 20 $25
90662 Influenza vaccine split virus, preservative free 19 19 $72
99495 Transitional care management services for problem of at least moderate complexity 15 14 $198
99212 Established patient office or other outpatient visit, 10-19 minutes 12 12 $55

In context: peer comparison

Among 1 peers in Seneca Family Medicine Physician, average services per provider: 89. This provider delivers 7.0× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,176
Patients
688
Total drug cost
$33,023
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 376 117 $6,455
Levothyroxine Sodium Generic 269 73 $4,084
Amlodipine Besylate Generic 203 67 $2,365
Lisinopril Generic 173 60 $2,058
Omeprazole Generic 168 58 $2,799
Metformin Hcl ER (Metformin Hcl) Brand 150 53 $1,370
Losartan Potassium Generic 123 36 $1,945
Gabapentin Generic 112 31 $2,183
Metformin Hcl Generic 100 30 $1,476
Metoprolol Succinate Generic 95 32 $1,660

Frequently asked questions

Auto-generated from federal data
What is Dr. Colin Kao's medical specialty?
Dr. Colin Kao practices Family Medicine Physician in Seneca, IL.
Where does Dr. Colin Kao practice?
Dr. Colin Kao practices at 271 N Main St, Seneca, IL 613609323. Office phone: 8153578511.
What is Dr. Colin Kao's NPI?
Dr. Colin Kao's National Provider Identifier (NPI) is 1023129897, issued by NPPES.
Does Dr. Colin Kao accept Medicare assignment?
Yes. Dr. Colin Kao accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Colin Kao 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.