Are you John R. Hammerer, O.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileAt a glance
- 10A Ely St, Coxsackie, NY 12051
About Dr. Hammerer
Listed in the NPI registry as an optometrist, John R. Hammerer, O.D. practices in Coxsackie, NY. John graduated from Southern College of Optometry in 1982. According to Medicare claims data, John cared for 233 Medicare patients across 270 services. The services billed most often include established patient complete exam of visual system, imaging of optic nerve, and exam of visual field with extended testing. NPI 1942498654 identifies this record in the national registry.
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
- (518) 731-9405
- Email not available
Practice Locations
10A ELY ST
Coxsackie, NY 12051
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
- Astigmatism
- Dry eye
- Nearsightedness
- Pink eye
- Presbyopia
Contact lens issues
- Contact Lens Intolerance
Cornea conditions
- Keratoconus
- Pterygium
Corneal issues
- Corneal Neovascularization
- Eye Sunburn
Eye conditions
- Broken Blood Vessel in Eye
Eye discomfort
- Burning Eyes
- Discharge from Eye
- Red Eyes
Eye diseases
- Cataracts
- Diabetic retinopathy
- Glaucoma
- Macular degeneration
- Retinal Tear Symptoms
Eye infections
- Corneal ulcer
Eye inflammation
- Iritis
Eye injuries
- Corneal abrasion
- Foreign Object in Eye
Eye irritation
- Eye Allergies
- Eye Pain
- Watery Eyes
Eye surface issues
- Yellow Bump on Eye
Eyelid conditions
- Blepharitis
- Drooping eyelid
- Eye Twitching
- Stye
Eyelid issues
- Chalazion
- Ectropion
- Entropion
- Eyelash Lice or Dandruff
Pediatric eye conditions
- Eye misalignment (strabismus)
- Lazy eye (amblyopia)
Pupil issues
- Unequal Pupil Sizes
Tear duct issues
- Blocked tear duct
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 fitting
- Dry eye treatment
- Eye exam
- Glasses prescription
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
- Autologous Serum Eye Drops Fitting
- IPL for Dry Eye
- LipiFlow Treatment
- Meibomian Gland Expression
Examinations
- Comprehensive medical eye examination
- Diabetic Eye Exam
- DMV Vision Test
- Low Vision Assessment
- Pediatric Eye Exam
Eyelid care
- Eyelid Deep Cleaning
Eyelid treatments
- Stye Removal
General exams
- School Vision Screening Follow-Up
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
- Optical Coherence Tomography Scan
Minor procedures
- Amniotic Membrane Placement
- Tear Duct Plugs
Specialty lenses
- Ortho-K
- RGP Contact Lens Fitting
- Scleral Lens Fitting
Surgical evaluations
- Cataract Evaluation
- Corneal Cross-Linking Evaluation
- LASIK Consultation
- PRK Evaluation
Tear duct procedures
- Flushing of Tear Ducts
Therapy
- Sports Vision Training
- Vision Therapy
Urgent care
- Emergency Eye Care
- Foreign Object Removal from Eye
Vision correction
- Myopia Management
Procedures Most Often Billed to Medicare
270 services · 233 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient complete exam of visual system | Treatment | 92014 |
84 | As often as other peers in Optometrist |
| Imaging of optic nerve | Treatment | 92133 |
50 | More often than most peers in Optometrist |
| Exam of visual field with extended testing | Treatment | 92083 |
46 | More often than most peers in Optometrist |
| Established patient problem focused exam of visual system | Treatment | 92012 |
26 | Less often than most peers in Optometrist |
| New patient complete exam of visual system | Treatment | 92004 |
23 | As often as other peers in Optometrist |
| Photography of the retina | Treatment | 92250 |
22 | Less often than most peers in Optometrist |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
19 | As often as other peers in Optometrist |
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.
Trained at Southern College of Optometry 8
Other providers in the same specialty who trained at the same institution.
Class of 1982 at Southern College of Optometry 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient complete exam of visual system 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does John R. Hammerer specialize in?
John R. Hammerer is an optometrist in Coxsackie, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is John R. Hammerer located?
John R. Hammerer is listed at 10A Ely St, Coxsackie, NY 12051. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is John R. Hammerer's phone number?
The number on file is (518) 731-9405. Contact the office directly to confirm availability and scheduling.
NPI registry
What is John R. Hammerer's NPI number?
John R. Hammerer's National Provider Identifier is 1942498654. 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 John R. Hammerer train?
John R. Hammerer attended Southern College of Optometry, graduating in 1982. This comes from the CMS National Downloadable File.
CMS public data
How long has John R. Hammerer been practicing?
John R. Hammerer has 44 years experience. Calculated from a graduation year of 1982, reported in the CMS National Downloadable File.
CMS public data
What does John R. Hammerer do most often?
According to Medicare billing data, John R. Hammerer provides treatments such as established patient complete exam of visual system and imaging of optic nerve, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has John R. Hammerer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John R. Hammerer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.