Doctor profile · Federal record

Dr. Janice Ko, M.D.

Family Medicine Physician (CMS: Family Practice) · Hoffman Estates, IL

  • NPI 1124348339
  • Accepts Medicare
  • 16 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1555 Barrington RD, Dob 3, Suite 3450
Hoffman Estates, IL 601691019
(847) 882-2400
fax (847) 884-7222

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
March 19, 2021
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Illinois #125058058

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124348339. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,292
Distinct HCPCS
10
Medicare allowed
$133,482
HCPCS Description Services Patients Avg allowed
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 329 329 $134
99214 Established patient office or other outpatient visit, 30-39 minutes 284 214 $134
36415 Insertion of needle into vein for collection of blood sample 197 165 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 167 150 $94
G0009 Administration of pneumococcal vaccine 67 67 $32
90677 Pneumococcal conjugate vaccine, 20 valent (pcv20), for intramuscular use 66 66 $281
G0008 Administration of influenza virus vaccine 46 46 $32
90662 Influenza vaccine split virus, preservative free 42 42 $72
83036 Hemoglobin a1c level 36 32 $10
99495 Transitional care management services for problem of at least moderate complexity 16 16 $212

In context: peer comparison

Among 11 peers in this city , average services per provider: 106. This provider delivers 12× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,959
Patients
1,185
Total drug cost
$48,010
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 770 223 $9,278
Levothyroxine Sodium Generic 455 128 $6,936
Lisinopril Generic 387 111 $3,618
Losartan Potassium Generic 386 112 $5,215
Amlodipine Besylate Generic 363 104 $3,809
Rosuvastatin Calcium Generic 250 82 $4,060
Metoprolol Succinate Generic 217 65 $3,944
Hydrochlorothiazide Generic 179 59 $835
Metformin Hcl Generic 178 53 $1,763
Omeprazole Generic 141 54 $2,118

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Janice Ko's medical specialty?
Dr. Janice Ko practices Family Medicine Physician in Hoffman Estates, IL.
Where does Dr. Janice Ko practice?
Dr. Janice Ko practices at 1555 Barrington RD, Hoffman Estates, IL 601691019. Office phone: 8478822400.
What is Dr. Janice Ko's NPI?
Dr. Janice Ko's National Provider Identifier (NPI) is 1124348339, issued by NPPES.
Does Dr. Janice Ko accept Medicare assignment?
Yes. Dr. Janice Ko accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Janice Ko commonly perform?
Top Medicare-reported procedures in 2023: Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Established patient office or other outpatient visit (HCPCS 99214); Insertion of needle into vein for collection of blood sample (HCPCS 36415). Source: CMS Medicare Physician & Other Practitioners file.