Doctor profile · Federal record
Dr. GENE CHIAO, MD
Internal Medicine Physician · NORTHBROOK, IL
- NPI 1699733188
- MIPS 90.4 / 100 · 2023
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
40 SKOKIE BLVD., SUITE 110
NORTHBROOK, IL 600621614
(224) 207-4400
fax (224) 407-2255 - Mailing address
-
950 TECHNOLOGY WAY, SUITE 250
LIBERTYVILLE, IL 600485366
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- September 26, 2025
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-079891
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1699733188. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
888
Distinct HCPCS
10
Medicare allowed
$122,483
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 171 | 171 | $266 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 135 | 135 | $74 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 122 | 61 | $125 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 78 | 78 | $96 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 78 | 78 | $102 | |
G0500 |
Moderate sedation services provided by the same physician or other qualified health care professional performing a gastrointestinal endoscopic service that sedation supports, requiring the presence of an independent trained observer to assist in the monito | 67 | 67 | $6 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 63 | 62 | $150 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 60 | 60 | $194 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 30 | 30 | $182 | |
91010 |
Study of esophagus to assess movement | 23 | 22 | $65 |
In context: peer comparison
Among 8 peers in this city , average services per provider: 94. This provider delivers 9.4× the peer median.Open Payments
Industry payments received
All-time total
$3,480
Transactions
136
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | 28 | $610.77 | |
| Janssen Biotech, Inc. | 15 | $603.82 | |
| ABBVIE INC. | 25 | $579.79 | |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC | 10 | $185.35 | |
| PFIZER INC. | 11 | $184.79 | |
| Phathom Pharmaceuticals, Inc. | 7 | $151.15 | |
| Ardelyx, Inc. | 8 | $148.25 | |
| Lilly USA, LLC | 5 | $130.31 | |
| Regeneron Healthcare Solutions, Inc. | 4 | $126.12 | |
| Madrigal Pharmaceuticals | 5 | $103.48 | |
| Celltrion USA Inc. | 4 | $101.63 | |
| Celgene Corporation | 6 | $101.55 | |
| Intercept Pharmaceuticals, Inc. | 3 | $76.27 | |
| Merck Sharp & Dohme LLC | 3 | $64.73 | |
| GENZYME CORPORATION | 2 | $62.09 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,179
Patients
529
Total drug cost
$86,221
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Gavilyte-C (Peg3350/Sod Sulf,bicarb,cl/Kcl) | Brand | 203 | 202 | $3,992 |
| Escitalopram Oxalate | Generic | 184 | 50 | $3,217 |
| Citalopram Hbr (Citalopram Hydrobromide) | Brand | 102 | 34 | $1,240 |
| Omeprazole | Generic | 97 | 29 | $2,503 |
| Pantoprazole Sodium | Generic | 96 | 36 | $2,272 |
| Dicyclomine Hcl | Generic | 95 | 29 | $2,500 |
| Desvenlafaxine Succinate Er (Desvenlafaxine Succinate) | Brand | 78 | 19 | $5,439 |
| Sertraline Hcl | Generic | 72 | 25 | $878 |
| Clonazepam | Generic | 53 | 0 | $1,140 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 49 | 49 | $1,049 |