Provider Profile
Based in Morrow, GA, John Coghlan Allen is listed in the NPI registry under ophthalmology. Medicare claims data shows John provided 3,498 services to 2,903 patients.
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
1000 CORPORATE CENTER DR STE 100
Morrow, GA 30260
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.
Cornea and external eye
Eyelid and tear drainage
Glaucoma
Lens and cataract
Refractive and focusing
Retina and vitreous
Eye injury and cancer
Inflammation, neurologic, and orbit
Emergency and minor
Examination and imaging
Cataract and lens
Eyelid, tear duct, and muscle
Glaucoma
3,498 services · 2,903 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
121 |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
30 |
| Ultrasound scan of cornea to determine thickness | Imaging | 76514 |
95 |
| Established patient complete exam of visual system | Treatment | 92014 |
1,152 |
| Exam of visual field with extended testing | Treatment | 92083 |
561 |
| Imaging of optic nerve | Treatment | 92133 |
553 |
| Photography of the retina | Treatment | 92250 |
406 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
255 |
| Exam of the internal drainage system of eye | Treatment | 92020 |
131 |
| Measurement of corneal curvature and depth of eye | Treatment | 92136 |
78 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Allen is an ophthalmology in Morrow, GA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “OPHTHALMOLOGY”.
NPI registry
Dr. Allen is listed at 1000 CORPORATE CENTER DR STE 100, Morrow, GA 30260. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (770) 968-8888. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Allen's National Provider Identifier is 1679969935. 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. Allen attended Other, graduating in 2015. This comes from the CMS National Downloadable File.
CMS public data
Dr. Allen has 11 years experience. Calculated from a graduation year of 2015, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Allen performs procedures including 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 of cornea to determine thickness; provides treatments such as established patient complete exam of visual system and exam of visual field with extended testing, 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. Allen. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.