Physician Profile
Maria S. Cortina, M.D
Unclaimed ProfileAbout Dr. Cortina
Maria S. Cortina, M.D is a healthcare provider in Chicago, IL specializing in ophthalmology. According to Medicare claims data, Maria cared for 1,067 Medicare patients across 1,355 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, and removal of cataract with insertion of prosthetic lens.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
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
- (312) 996-3937
- Email not available
Practice Locations
1855 W TAYLOR ST
Chicago, IL 60612
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
1,355 services · 1,067 patients · 15 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
102 | As often as other peers in Ophthalmology |
| Preparation of corneal tissue for transplant | Procedure | 65757 |
11 | Too few peers to compare |
| Transplantation of outer layer of corneal tissue | Procedure | 65756 |
11 | Less often than most peers in Ophthalmology |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
79 | More often than most peers in Ophthalmology |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
22 | As often as other peers in Ophthalmology |
| Ct scan of cornea | Treatment | 92025 |
86 | More often than most peers in Ophthalmology |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
66 | Less often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
44 | Less often than most peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
40 | Less often than most peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
37 | Less often than most 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 8
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
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.
More connections — 32 related providers in 4 groups
Other eye doctors in Chicago 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 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 is Maria S. Cortina's specialty?
Maria S. Cortina 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”.
NPI registry
Where can I find Maria S. Cortina?
Maria S. Cortina is listed at 1855 W Taylor St, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Maria S. Cortina?
The number on file is (312) 996-3937. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Maria S. Cortina's NPI number?
Maria S. Cortina's National Provider Identifier is 1376733774. 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
What is Maria S. Cortina's education?
Maria S. Cortina attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Maria S. Cortina been practicing?
Maria S. Cortina has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What is Maria S. Cortina known for?
According to Medicare billing data, Maria S. Cortina performs procedures including removal of cataract with insertion of prosthetic lens, preparation of corneal tissue for transplant and transplantation of outer layer of corneal tissue; reads or performs imaging such as ultrasound scan of cornea to determine thickness and 2d ultrasound scan of eye tissue and structures; provides treatments such as ct scan of cornea and measurement of corneal curvature and depth of eye, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Maria S. Cortina confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Maria S. Cortina. 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.