Doctor profile · Federal record

Dr. Ian Patterson, MD

Ophthalmology Physician (CMS: Ophthalmology) · Student in an Organized Health Care Education/Training Program · Massillon, OH

  • NPI 1952920654
  • Accepts Medicare
  • 6 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3545 Lincoln Way E Ste A
Massillon, OH 446468624
(330) 837-5191
fax (330) 837-0755

Credentials & registration

NPPES · NUCC
NPI registered
April 2020 — 6 yrs on file
Profile last updated
May 8, 2024
Year of graduation
2020 — 6 yrs since
Specialty taxonomy
207W00000X — NUCC code
State license (1)
Ohio #35.149667

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1952920654. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$219
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 4 $201.20
Oyster Point Pharma, Inc. 1 $18.08

By nature of payment

Food and Beverage
$219

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
313
Patients
134
Total drug cost
$22,592
Drug Type Claims Patients Total cost
Latanoprost Generic 74 37 $2,189
Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) Brand 59 33 $1,733
Brimonidine Tartrate Generic 51 25 $2,486
Prednisolone Acetate Generic 38 25 $2,191
Ketorolac Tromethamine Generic 21 14 $762
Timolol Maleate Generic 18 0 $307
Dorzolamide Hcl Generic 16 0 $480
Atropine Sulfate Generic 14 0 $598
Difluprednate Generic 11 0 $3,523
Lumigan (Bimatoprost) Brand 11 0 $8,323

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Ian Patterson's medical specialty?
Dr. Ian Patterson practices Ophthalmology Physician in Massillon, OH.
Where does Dr. Ian Patterson practice?
Dr. Ian Patterson practices at 3545 Lincoln Way E Ste A, Massillon, OH 446468624. Office phone: 3308375191.
What is Dr. Ian Patterson's NPI?
Dr. Ian Patterson's National Provider Identifier (NPI) is 1952920654, issued by NPPES.
Does Dr. Ian Patterson accept Medicare assignment?
Yes. Dr. Ian Patterson accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.