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Edit this profileAt a glance
- 1300 N Highland Ave Ste 1, Aurora, IL 60506
About Dr. Differding
Based in Aurora, IL, Patrick M. Differding, MD is listed in the NPI registry under ophthalmology. Patrick graduated from University of Chicago, Pritzker School of Medicine in 2017. Patrick is also listed as specializing in student in an organized health care education program. According to Medicare claims data, Patrick cared for 855 Medicare patients across 1,598 services. The services billed most often include complex removal of cataract with insertion of prosthetic lens, removal of cataract with insertion of prosthetic lens, and established patient problem focused exam of visual system. NPI 1356871016 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (630) 897-5104
- Email not available
Practice Locations
1300 N HIGHLAND AVE STE 1
Aurora, IL 60506
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
1,598 services · 855 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Complex removal of cataract with insertion of prosthetic lens | Procedure | 66982 |
382 | More than most peers in Ophthalmology |
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
297 | More often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
32 | As often as other peers in Ophthalmology |
| Laser repair to improve eye fluid flow | Procedure | 65855 |
29 | As often as other peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
15 | Less often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
220 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
150 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
93 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
83 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
69 | As often as other peers in Ophthalmology |
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.
Other eye doctors at this location 5
Same specialty, same street address — most likely the same department or group.
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 Aurora 4
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Chicago, Pritzker School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at University of Chicago, Pritzker School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Complex removal of cataract with insertion of prosthetic lens 8
Providers in IL who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Differding?
Dr. Differding is an eye doctor in Aurora, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is Dr. Differding's address?
Dr. Differding is listed at 1300 N Highland Ave Ste 1, Aurora, IL 60506. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Differding?
The number on file is (630) 897-5104. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Differding's NPI number?
Dr. Differding's National Provider Identifier is 1356871016. 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. Differding train?
Dr. Differding attended University of Chicago, Pritzker School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Differding been practicing?
Dr. Differding has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Differding perform?
According to Medicare billing data, Dr. Differding performs procedures including complex removal of cataract with insertion of prosthetic lens, removal of cataract with insertion of prosthetic lens and removal of recurring cataract in lens capsule using a laser; reads or performs imaging such as ultrasound scan to determine eye length and lens power; provides treatments such as established patient problem focused exam of visual system and new patient complete exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Differding confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Differding. If this is you, claiming it is free.
Guide.md
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