Doctor profile · Federal record

Dr. Harold Sy, MD

Cornea and External Diseases Specialist Physician (CMS: Ophthalmology) · Chicago, IL

  • NPI 1992730030
  • Accepts Medicare
  • 24 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5086 N Elston Ave
Chicago, IL 606302427
(773) 282-2000

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
August 6, 2024
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207WX0120X — NUCC code
State license (1)
Illinois #036113980
Medicaid
GA #936953955A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992730030. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
916
Distinct HCPCS
10
Medicare allowed
$120,482
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 306 268 $129
99213 Established patient office or other outpatient visit, 20-29 minutes 148 100 $94
92136 Measurement of corneal curvature and depth of eye 86 47 $32
92004 New patient complete exam of visual system 82 82 $153
99214 Established patient office or other outpatient visit, 30-39 minutes 73 61 $134
66984 Removal of cataract with insertion of prosthetic lens 61 42 $546
92133 Imaging of optic nerve 55 52 $37
92083 Exam of visual field with extended testing 36 32 $64
99212 Established patient office or other outpatient visit, 10-19 minutes 23 22 $59
92134 Imaging of retina 17 13 $40

In context: peer comparison

Among 2 peers in Chicago Cornea and External Diseases Specialist Physician, average services per provider: 67. This provider delivers 14× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$937
Transactions
38
Manufacturers
11
Payer (manufacturer) Industry Txns Amount
Glaukos Corporation 3 $270.79
Abbvie INC. 14 $196.61
Harrow Eye, LLC 5 $118.66
Mallinckrodt Hospital Products INC. 4 $90.81
Biotissue Holdings INC. 4 $82.18
Tarsus Pharmaceuticals, INC. 2 $55.37
Dompe US, INC. 2 $43.60
Sun Pharmaceutical Industries INC. 1 $26.45
Galderma Laboratories, L.P. 1 $18.83
Alcon Vision LLC 1 $18.05
Bausch & Lomb Americas INC. 1 $16.14

By nature of payment

Food and Beverage
$937

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,076
Patients
886
Total drug cost
$109,807
Drug Type Claims Patients Total cost
Latanoprost Generic 572 146 $12,686
Ketorolac Tromethamine Generic 292 161 $6,419
Erythromycin (Erythromycin Base) Brand 260 160 $3,198
Prednisolone Acetate Generic 222 144 $10,385
Moxifloxacin (Moxifloxacin Hcl) Brand 166 109 $4,782
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 113 26 $3,602
Timolol Maleate Generic 98 26 $1,629
Brimonidine Tartrate Generic 81 23 $3,467
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 77 56 $6,196
Azelastine Hcl Generic 53 24 $2,291

Frequently asked questions

Auto-generated from federal data
What is Dr. Harold Sy's medical specialty?
Dr. Harold Sy practices Cornea and External Diseases Specialist Physician in Chicago, IL.
Where does Dr. Harold Sy practice?
Dr. Harold Sy practices at 5086 N Elston Ave, Chicago, IL 606302427. Office phone: 7732822000.
What is Dr. Harold Sy's NPI?
Dr. Harold Sy's National Provider Identifier (NPI) is 1992730030, issued by NPPES.
Does Dr. Harold Sy accept Medicare assignment?
Yes. Dr. Harold Sy accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Harold Sy commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Measurement of corneal curvature and depth of eye (HCPCS 92136). Source: CMS Medicare Physician & Other Practitioners file.