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Edit this profileAt a glance
- 3794 Olentangy River Rd., Columbus, OH 43214
About Dr. Allen
John G. Allen, M.D. practices ophthalmology in Columbus, OH. John is a 1986 graduate of Ohio State University College of Medicine. According to Medicare claims data, John cared for 795 Medicare patients across 961 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. The provider's National Provider Identifier (NPI) is 1821084096.
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
- (614) 267-4122
- Email not available
Practice Locations
3794 OLENTANGY RIVER RD.
Columbus, OH 43214
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
961 services · 795 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Removal of cataract with insertion of prosthetic lens | Procedure | 66984 |
34 | Less often than most peers in Ophthalmology |
| Removal of recurring cataract in lens capsule using a laser | Procedure | 66821 |
17 | Less often than most peers in Ophthalmology |
| Ultrasound scan to determine eye length and lens power | Imaging | 76519 |
69 | More often than most peers in Ophthalmology |
| Imaging of optic nerve | Treatment | 92133 |
85 | As often as other peers in Ophthalmology |
| Exam of visual field with extended testing | Treatment | 92083 |
85 | As often as other peers in Ophthalmology |
| Imaging of retina | Treatment | 92134 |
76 | As often as other peers in Ophthalmology |
| Exam of the internal drainage system of eye | Treatment | 92020 |
27 | As often as other peers in Ophthalmology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
394 | More often than most peers in Ophthalmology |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
150 | As often as other peers in Ophthalmology |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
24 | 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.
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 Columbus 8
Same specialty, same city.
Trained at Ohio State University College of Medicine 7
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1986 at Ohio State University College of Medicine 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 OH who bill this service to Medicare most often.
Common questions
What is John G. Allen's specialty?
John G. Allen is an eye doctor in Columbus, OH. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where can I find John G. Allen?
John G. Allen is listed at 3794 Olentangy River Rd., Columbus, OH 43214. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact John G. Allen?
The number on file is (614) 267-4122. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John G. Allen's NPI number?
John G. Allen's National Provider Identifier is 1821084096. 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 John G. Allen's education?
John G. Allen attended Ohio State University College of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has John G. Allen been practicing?
John G. Allen has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is John G. Allen known for?
According to Medicare billing data, John G. 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 to determine eye length and lens power; provides treatments such as imaging of optic nerve 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
Has John G. Allen confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John G. Allen. If this is you, claiming it is free.
Guide.md
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