Provider Profile
John A. McGreal, OD
Unclaimed ProfileAbout Dr. Mcgreal
Listed in the NPI registry as an optometrist, John A. McGreal, OD practices in Saint Louis, MO. John graduated from Pennsylvania College of Optometry in 1985. According to Medicare claims data, John cared for 240 Medicare patients across 272 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 imaging of optic nerve.
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
Source: NPPES NPI Registry
Contact Information
- (314) 569-2020
- Email not available
Practice Locations
11710 OLD BALLAS RD SUITE 102
Saint Louis, MO 63141
Conditions Commonly Evaluated or Treated
Within Optometry 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
Contact lens issues
Cornea conditions
Corneal issues
Eye conditions
Eye discomfort
Eye diseases
Eye infections
Eye inflammation
Eye injuries
Eye irritation
Eye surface issues
Eyelid conditions
Eyelid issues
Pediatric eye conditions
Pupil issues
Tear duct issues
Vision changes
- Blurry Vision
- Color Blindness
- Distorted Vision
- Double Vision
- Eye Floaters and Flashes
- Eye Strain
- Farsightedness
- Halos Around Lights
- Light Sensitivity
- Night Blindness
- Posterior vitreous detachment
- Tunnel Vision
- Visual Migraines
Procedures & services
Most searched procedures
Contact lens exams
- Bifocal or Multifocal Contact Lens Fitting
- Contact Lens Training
- Plano (Non-Prescription) Colored Contact Lens Exam
- Toric Contact Lens Fitting
Dry eye treatments
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
Eyelid treatments
General exams
Glasses and eyewear
- Blue Light Glasses Consultation
- Eyeglass Frame Adjustment and Repair
- Prescription Sunglasses Consultation
- Prism Eyeglasses Fitting
Imaging & tests
- Color Vision Testing
- Corneal topography
- Coronary optical coherence tomography
- Eye-pressure measurement
- Pachymetry
- Retinal photography
- Visual Field Test
Imaging and scans
Minor procedures
Specialty lenses
Surgical evaluations
Tear duct procedures
Therapy
Urgent care
Vision correction
Procedures Most Often Billed to Medicare
272 services · 240 patients · 6 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Imaging of optic nerve | Treatment | 92133 |
36 |
| Imaging of retina | Treatment | 92134 |
21 |
| Exam of visual field with extended testing | Treatment | 92083 |
21 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
90 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
81 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
23 |
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 1
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 optometrists in Saint Louis 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Pennsylvania College of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Pennsylvania College of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Imaging of optic nerve 8
Providers in MO who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. McGreal?
Dr. McGreal is an optometrist in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. McGreal's address?
Dr. McGreal is listed at 11710 Old Ballas Rd Suite 102, Saint Louis, MO 63141. 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. McGreal?
The number on file is (314) 569-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. McGreal's NPI number?
Dr. McGreal's National Provider Identifier is 1689661886. 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. McGreal train?
Dr. McGreal attended Pennsylvania College of Optometry, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. McGreal been practicing?
Dr. McGreal has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. McGreal perform?
According to Medicare billing data, Dr. McGreal provides treatments such as imaging of optic nerve and imaging of retina, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. McGreal confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. McGreal. 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.