Doctor profile · Federal record

Dr. William Potter, MD

Ophthalmology Physician (CMS: Ophthalmology) · Greenwich, CT

  • NPI 1205834645
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 41 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4 Dearfield Dr
Greenwich, CT 068315351
(203) 869-3082
fax (203) 869-6453

Credentials & registration

NPPES · NUCC
NPI registered
July 2005 — 21 yrs on file
Profile last updated
July 2, 2010
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Connecticut #030761

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1205834645. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
316
Distinct HCPCS
6
Medicare allowed
$32,282
HCPCS Description Services Patients Avg allowed
92012 Established patient problem focused exam of visual system 144 114 $98
92014 Established patient complete exam of visual system 85 85 $137
92250 Photography of the retina 34 33 $40
99213 Established patient office or other outpatient visit, 20-29 minutes 27 27 $97
92060 Exam to measure eye deviation and range of motion 14 14 $69
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $137

In context: peer comparison

Among 5 peers in Greenwich Ophthalmology Physician, average services per provider: 211. This provider delivers 1.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$74
Transactions
3
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Tarsus Pharmaceuticals, INC. 2 $50.11
Abbvie INC. 1 $24.14

By nature of payment

Food and Beverage
$74

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
12
Patients
0
Total drug cost
$6,495
Drug Type Claims Patients Total cost
Vyzulta (Latanoprostene Bunod) Brand 12 0 $6,495

Frequently asked questions

Auto-generated from federal data
What is Dr. William Potter's medical specialty?
Dr. William Potter practices Ophthalmology Physician in Greenwich, CT.
Where does Dr. William Potter practice?
Dr. William Potter practices at 4 Dearfield Dr, Greenwich, CT 068315351. Office phone: 2038693082.
What is Dr. William Potter's NPI?
Dr. William Potter's National Provider Identifier (NPI) is 1205834645, issued by NPPES.
Does Dr. William Potter accept Medicare assignment?
Yes. Dr. William Potter accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Potter commonly perform?
Top Medicare-reported procedures in 2023: Established patient problem focused exam of visual system (HCPCS 92012); Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.