Doctor profile · Federal record

Dr. Chung-Kay Koh, MD

Endocrinology, Diabetes & Metabolism Physician (CMS: Endocrinology) · Park Ridge, IL

  • NPI 1841216843
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1775 Ballard RD
Park Ridge, IL 600681005
(847) 318-2400
fax (847) 318-2414
Mailing address
29373 Network Pl
Chicago, IL 606731293

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 5, 2025
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207RE0101X — NUCC code
State license (1)
Illinois #036-109946
Medicaid
IL #036109946

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841216843. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,165
Distinct HCPCS
10
Medicare allowed
$176,114
HCPCS Description Services Patients Avg allowed
J0897 Injection, denosumab, 1 mg 1,320 14 $23
99214 Established patient office or other outpatient visit, 30-39 minutes 771 524 $132
36415 Insertion of needle into vein for collection of blood sample 434 325 $8
G0108 Diabetes outpatient self-management training services, individual, per 30 minutes 193 78 $56
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 144 42 $52
83036 Hemoglobin a1c level 102 90 $9
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 80 48 $77
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 47 47 $182
99213 Established patient office or other outpatient visit, 20-29 minutes 27 27 $94
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 26 24 $134

In context: peer comparison

Among 3 peers in this city , average services per provider: 201. This provider delivers 16× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
3,719
Patients
1,157
Total drug cost
$2,172,691
Drug Type Claims Patients Total cost
Levothyroxine Sodium Generic 795 221 $15,620
Jardiance (Empagliflozin) Brand 441 132 $673,782
Metformin Hcl Generic 436 133 $5,481
Lantus Solostar (Insulin Glargine,hum.Rec.Anlog) Brand 375 122 $361,854
Humalog Kwikpen U-100 (Insulin Lispro) Brand 214 79 $315,581
Ozempic (Semaglutide) Brand 190 55 $371,148
Nano 2nd Gen Pen Needle (Pen Needle, Diabetic) Brand 171 92 $23,170
Glipizide Generic 159 50 $2,844
Metformin Hcl Er (Metformin Hcl) Brand 159 52 $3,821
Methimazole Generic 145 42 $2,098

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Chung-Kay Koh's medical specialty?
Dr. Chung-Kay Koh practices Endocrinology, Diabetes & Metabolism Physician in Park Ridge, IL.
Where does Dr. Chung-Kay Koh practice?
Dr. Chung-Kay Koh practices at 1775 Ballard RD, Park Ridge, IL 600681005. Office phone: 8473182400.
What is Dr. Chung-Kay Koh's NPI?
Dr. Chung-Kay Koh's National Provider Identifier (NPI) is 1841216843, issued by NPPES.
Does Dr. Chung-Kay Koh accept Medicare assignment?
Yes. Dr. Chung-Kay Koh accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Chung-Kay Koh commonly perform?
Top Medicare-reported procedures in 2023: Injection, denosumab, 1 mg (HCPCS J0897); 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.