Are you Mark J. Fritz, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 212 N Larkin Ave, Joliet, IL 60435
About Dr. Fritz
Mark J. Fritz, M.D. practices ophthalmology in Joliet, IL. Mark is a 1995 graduate of Northwestern University Feinberg Medical School. According to Medicare claims data, Mark cared for 1,428 Medicare patients across 1,727 services. The services billed most often include established patient complete exam of visual system, established patient problem focused exam of visual system, and imaging of optic nerve. The provider's National Provider Identifier (NPI) is 1669509550.
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
- (815) 741-0666
- Email not available
Practice Locations
212 N LARKIN AVE
Joliet, IL 60435
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
Eye injury and cancer
Inflammation, neurologic, and orbit
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
Retina & vitreous
Procedures & services
Cataract and lens
- Cataract surgery with lens implant
- Laser-assisted cataract surgery
- Intraocular lens exchange
- YAG laser capsulotomy
Cornea and refractive
Emergency and minor
- Corneal rust-ring removal
- Removal of an eye foreign body
- Repair of an eye or eyelid laceration
- Repair of ruptured globe
Examination and imaging
- Eye ultrasound
- Slit-lamp examination
- Visual-field testing
- Corneal topography
- Fluorescein angiography
Eyelid, tear duct, and muscle
- Chalazion removal
- Ectropion repair
- Eyelid surgery
- Tear-duct probing
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Tear-duct bypass surgery
Glaucoma
- Cyclophotocoagulation
- Trabeculectomy
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Retina
Most searched procedures
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
Procedures Most Often Billed to Medicare
1,727 services · 1,428 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
55 | Less often than most peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
63 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
578 | More often than most peers in Ophthalmology |
| Established patient problem focused exam of visual system | Treatment | 92012 |
567 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
172 | More often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
151 | More often than most peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
68 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
55 | Less often than most peers in Ophthalmology |
| New patient problem focused exam of visual system | Treatment | 92002 |
18 | 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.
Also at this address 1
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 Joliet 7
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1995 at Northwestern University Feinberg Medical School 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 Mark J. Fritz specialize in?
Mark J. Fritz is an eye doctor in Joliet, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Mark J. Fritz located?
Mark J. Fritz is listed at 212 N Larkin Ave, Joliet, IL 60435. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Mark J. Fritz's phone number?
The number on file is (815) 741-0666. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Mark J. Fritz's NPI number?
Mark J. Fritz's National Provider Identifier is 1669509550. 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 Mark J. Fritz train?
Mark J. Fritz attended Northwestern University Feinberg Medical School, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Mark J. Fritz been practicing?
Mark J. Fritz has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Mark J. Fritz do most often?
According to Medicare billing data, Mark J. Fritz performs procedures including removal of cataract with insertion of prosthetic lens; reads or performs imaging such as ultrasound scan to determine eye length and lens power; provides treatments such as established patient complete exam of visual system and established patient problem focused exam of visual system. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Mark J. Fritz confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Mark J. Fritz. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.