Physician Profile
Gregory Haffner, M.D.
Unclaimed ProfileAbout Dr. Haffner
Gregory Haffner, M.D. is a healthcare provider in Hamden, CT specializing in ophthalmology. According to Medicare claims data, Gregory cared for 2,133 Medicare patients across 13,421 services. 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.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (203) 288-2020
- Email not available
Practice Locations
2200 WHITNEY AVE SUITE 300
Hamden, CT 06518
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
- Cataracts
- Diabetic retinopathy
- Dry eye
- Glaucoma
- Macular degeneration
Cornea and external eye
- Blepharitis
- Corneal abrasion
- Corneal ulcer
- Keratoconus
- Pink eye
- Pterygium
Eyelid and tear drainage
- Blocked tear duct
- Chalazion
- Drooping eyelid
Refractive and focusing
- Astigmatism
- Eye misalignment (strabismus)
- Farsightedness
- Lazy eye (amblyopia)
- Nearsightedness
- Presbyopia
Retina and vitreous
- Epiretinal membrane
- Retinal detachment
Eye injuries
- Foreign Object in Eye
Inflammation, neurologic, and orbit
- Thyroid eye disease
- Uveitis
Retina & vitreous
- Eye Floaters and Flashes
Procedures & services
Most searched procedures
- Cataract surgery
- Eye exam
- LASIK
- Retina surgery
Examination and imaging
- Corneal topography
- Fluorescein angiography
Cataract and lens
- Intraocular lens exchange
- YAG laser capsulotomy
Corneal procedures
- Amniotic Membrane Eye Graft
Eye diagnostics
- Optical Coherence Tomography Scan
Eye injuries
- Eye Scratch Laceration Repair
- Foreign Object Removal from Eye
Eyelid surgery
- Stye Removal
Eyelid, tear duct, and muscle
- Drooping-eyelid repair
- Entropion repair
- Eye-muscle surgery
- Eyelid surgery
- Tear-duct bypass surgery
Glaucoma
- Glaucoma drainage-device implantation
- Laser peripheral iridotomy
- Minimally invasive glaucoma surgery
- Selective laser trabeculoplasty
Laser eye surgery
- Laser Floater Removal
Laser procedures
- Laser Treatment for Retinal Tear
Laser vision correction
- SMILE Eye Surgery
Refractive surgery
- Clear Lens Exchange
- Implantable Contact Lenses
Tear duct & Orbit
- Orbital Decompression Surgery
- Tear Duct Plugs
Procedures Most Often Billed to Medicare
13,421 services · 2,133 patients · 16 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Injection of drug into eye | Procedure | 67028 |
1,189 |
| 2d ultrasound scan of eye tissue and structures | Imaging | 76512 |
24 |
| Imaging of retina | Treatment | 92134 |
1,823 |
| Established patient complete exam of visual system | Treatment | 92014 |
410 |
| Established patient problem focused exam of visual system | Treatment | 92012 |
181 |
| Exam of retinal blood vessels using a special camera after injection of a dye | Treatment | 92235 |
33 |
| Photography of the retina | Treatment | 92250 |
32 |
| Injection, faricimab-svoa, 0.1 mg | Drug given | J2777 |
7,320 |
| Injection, aflibercept, 1 mg | Drug given | J0178 |
870 |
| Injection, bevacizumab, 10 mg | Drug given | J9035 |
694 |
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.
Other eye doctors at this location 1
Same specialty, same street address — most likely the same department or group.
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.
More connections — 30 related providers in 4 groups
Other eye doctors in Hamden 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Injection of drug into eye 7
Providers in CT who bill this service to Medicare most often.
Common questions
What does Gregory Haffner specialize in?
Gregory Haffner is an eye doctor in Hamden, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
Where is Gregory Haffner located?
Gregory Haffner is listed at 2200 Whitney Ave Suite 300, Hamden, CT 06518. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Gregory Haffner's phone number?
The number on file is (203) 288-2020. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Gregory Haffner's NPI number?
Gregory Haffner's National Provider Identifier is 1407886450. 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 Gregory Haffner train?
Gregory Haffner attended Other, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How long has Gregory Haffner been practicing?
Gregory Haffner has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Gregory Haffner do most often?
According to Medicare billing data, Gregory Haffner performs procedures including injection of drug into eye; reads or performs imaging such as 2d ultrasound scan of eye tissue and structures; 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
Has Gregory Haffner confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Gregory Haffner. 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.