Physician Profile
Listed in the NPI registry as an ophthalmology — retina specialist, Ryan Constantine, M.D., PhD practices in Erie, PA. Ryan graduated from University of Utah School of Medicine in 2014. Medicare claims data shows Ryan provided 52,093 services to 2,940 patients. The services billed most often include injection, faricimab-svoa, 0.1 mg, imaging of retina, and injection of drug into eye.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Source: NPPES NPI Registry
300 STATE ST
Erie, PA 16507
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.
Most searched conditions
Cornea and external eye
Eyelid and tear drainage
Refractive and focusing
Retina and vitreous
Eye injuries
Inflammation, neurologic, and orbit
Retina & vitreous
Most searched procedures
Examination and imaging
Cataract and lens
Corneal procedures
Eye diagnostics
Eye injuries
Eyelid surgery
Eyelid, tear duct, and muscle
Glaucoma
Laser eye surgery
Laser procedures
Laser vision correction
Refractive surgery
Tear duct & Orbit
52,093 services · 2,940 patients · 18 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,591 |
| Repair of detached retina with drainage and removal of eye fluid between lens and retina | Procedure | 67108 |
21 |
| Removal of eye fluid (vitreous) between lens and retina | Procedure | 67036 |
21 |
| Photocoagulation treatment to prevent detachment of retina | Procedure | 67145 |
12 |
| Imaging of retina | Treatment | 92134 |
2,499 |
| Established patient complete exam of visual system | Treatment | 92014 |
516 |
| New patient complete exam of visual system | Treatment | 92004 |
87 |
| Extended exam of the back part of the eye with retinal drawing | Treatment | 92201 |
37 |
| Exam of visual field with extended testing | Treatment | 92083 |
24 |
| Photography of the retina | Treatment | 92250 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Constantine is an eye doctor in Erie, PA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology — Retina Specialist”.
NPI registry
Dr. Constantine is listed at 300 State St, Erie, PA 16507. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (814) 456-4241. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Constantine's National Provider Identifier is 1932527199. 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
Dr. Constantine attended University of Utah School of Medicine, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
Dr. Constantine has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Constantine performs procedures including injection of drug into eye, repair of detached retina with drainage and removal of eye fluid between lens and retina and removal of eye fluid between lens and retina; provides treatments such as imaging of retina and established 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
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Constantine. 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.