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Edit this profileAt a glance
- 4 Dearfield Dr, Greenwich, CT 06831
About Dr. Potter
William S. Potter, MD practices ophthalmology in Greenwich, CT. William is a 1985 graduate of New York Medical College. Medicare claims data shows William provided 374 services to 329 patients. The services billed most often include established patient problem focused exam of visual system, established patient complete exam of visual system, and photography of the retina. The provider's National Provider Identifier (NPI) is 1205834645.
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
- (203) 869-3082
- Email not available
Practice Locations
4 DEARFIELD DR
Greenwich, CT 06831
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
374 services · 329 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Established patient problem focused exam of visual system | Treatment | 92012 |
188 | As often as other peers in Ophthalmology |
| Established patient complete exam of visual system | Treatment | 92014 |
104 | Less often than most peers in Ophthalmology |
| Photography of the retina | Treatment | 92250 |
54 | As often as other peers in Ophthalmology |
| New patient complete exam of visual system | Treatment | 92004 |
13 | Less 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 |
15 | 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.
Other eye doctors at this location 5
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 25 related providers in 4 groups
Other eye doctors in Greenwich 3
Same specialty, same city.
Trained at New York Medical College 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at New York Medical College 8
Providers who graduated from the same medical school in the same year.
Also performs Established patient problem focused exam of visual system 6
Providers in CT who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Potter?
Dr. Potter is an eye doctor in Greenwich, CT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Ophthalmology”.
NPI registry
What is Dr. Potter's address?
Dr. Potter is listed at 4 Dearfield Dr, Greenwich, CT 06831. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Potter?
The number on file is (203) 869-3082. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Potter?
Dr. Potter's National Provider Identifier is 1205834645. 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 Dr. Potter train?
Dr. Potter attended New York Medical College, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Potter have?
Dr. Potter has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Potter perform?
According to Medicare billing data, Dr. Potter provides treatments such as established patient problem focused exam of visual system 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
Is Dr. Potter's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Potter. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.