Doctor profile · Federal record

Dr. William Lay, O.D.

Optometrist (CMS: Optometry) · Westerville, OH

  • NPI 1902922560
  • Accepts Medicare
  • 34 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
185 S State St
Westerville, OH 430812232
(614) 898-9989
fax (614) 898-3054

Credentials & registration

NPPES · NUCC
NPI registered
March 2007 — 19 yrs on file
Profile last updated
January 30, 2008
Year of graduation
1992 — 34 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Ohio #4365-T271
Medicaid
OH #0892842

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902922560. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,042
Distinct HCPCS
9
Medicare allowed
$67,874
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 240 169 $86
92250 Photography of the retina 188 188 $35
92014 Established patient complete exam of visual system 136 136 $118
92083 Exam of visual field with extended testing 130 119 $58
92133 Imaging of optic nerve 129 122 $32
92134 Imaging of retina 89 86 $37
99214 Established patient office or other outpatient visit, 30-39 minutes 61 55 $121
92020 Exam of the internal drainage system of eye 52 51 $26
92060 Exam to measure eye deviation and range of motion 17 17 $56

In context: peer comparison

Among 13 peers in this city , average services per provider: 67. This provider delivers 16× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,232
Transactions
28
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
BIOTISSUE HOLDINGS INC. 8 $355.10
Johnson & Johnson Vision Care, Inc. 9 $273.54
Alcon Vision LLC 2 $170.17
Bausch & Lomb Americas Inc. 2 $148.43
CooperVision Inc. 2 $137.62
Oyster Point Pharma, Inc. 2 $66.80
Tarsus Pharmaceuticals, Inc. 1 $36.00
Dompe US, Inc. 1 $23.65
SUN PHARMACEUTICAL INDUSTRIES INC. 1 $20.43

By nature of payment

Food and Beverage
$1,232

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
355
Patients
69
Total drug cost
$31,536
Drug Type Claims Patients Total cost
Latanoprost Generic 125 21 $1,142
Timolol Maleate Generic 113 35 $1,020
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 44 13 $1,233
Brimonidine Tartrate Generic 29 0 $3,460
Lumigan (Bimatoprost) Brand 17 0 $8,440
Travoprost Generic 14 0 $5,141
Restasis (Cyclosporine) Brand 13 0 $11,100

Frequently asked questions

Auto-generated from federal data
What is Dr. William Lay's medical specialty?
Dr. William Lay practices Optometrist in Westerville, OH.
Where does Dr. William Lay practice?
Dr. William Lay practices at 185 S State St, Westerville, OH 430812232. Office phone: 6148989989.
What is Dr. William Lay's NPI?
Dr. William Lay's National Provider Identifier (NPI) is 1902922560, issued by NPPES.
Does Dr. William Lay accept Medicare assignment?
Yes. Dr. William Lay accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Lay commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Photography of the retina (HCPCS 92250); Established patient complete exam of visual system (HCPCS 92014). Source: CMS Medicare Physician & Other Practitioners file.