Physician Profile
Harold M. Sy, MD
Unclaimed ProfileAbout Dr. Sy
Harold M. Sy, MD is a healthcare provider in Chicago, IL specializing in ophthalmology — cornea & external disease. Harold trained at Rush Medical College of Rush University, graduating in 2002. According to Medicare claims data, Harold cared for 606 Medicare patients across 717 services. The services billed most often include established patient complete exam of visual system, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and new patient complete exam of visual system.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (773) 282-2000
- Email not available
Practice Locations
5086 N ELSTON AVE
Chicago, IL 60630
Conditions Commonly Evaluated or Treated
Within Ophthalmology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Procedures & services
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
717 services · 606 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
38 | |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
15 | |
| Established patient complete exam of visual system | Treatment | 92014 |
359 | More often than most peers in Ophthalmology — Cornea &… |
| New patient complete exam of visual system | Treatment | 92004 |
79 | More often than most peers in Ophthalmology — Cornea &… |
| Imaging of optic nerve | Treatment | 92133 |
38 | |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
29 | |
| Exam of visual field with extended testing | Treatment | 92083 |
22 | |
| Imaging of retina | Treatment | 92134 |
15 | |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
104 | As often as other peers in Ophthalmology — Cornea &… |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other eye doctors in Chicago 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Class of 2002 at Rush Medical College of Rush University 8
Providers who graduated from the same medical school in the same year.
Also performs Removal of cataract with insertion of prosthetic lens 8
Providers in IL who bill this service to Medicare most often.
Common questions
What does Dr. Sy specialize in?
Dr. Sy is an eye doctor in Chicago, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Cornea & External Disease”.
NPI registry
Where is Dr. Sy located?
Dr. Sy is listed at 5086 N Elston Ave, Chicago, IL 60630. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Sy's phone number?
The number on file is (773) 282-2000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Sy's NPI number?
Dr. Sy's National Provider Identifier is 1992730030. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Sy go to medical school?
Dr. Sy attended Rush Medical College of Rush University, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Sy been practicing?
Dr. Sy has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Sy do most often?
According to Medicare billing data, Dr. Sy performs procedures including removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; provides treatments such as established patient complete exam of visual system and new patient complete exam of visual system, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Sy confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sy. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.