Doctor profile · Federal record

Dr. John Seng, OD

Optometrist (CMS: Optometry) · Findlay, OH

  • NPI 1487630943
  • Accepts Medicare
  • 44 yrs in practice
  • Male
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 N Main St
Findlay, OH 458403550
(419) 424-2002
fax (419) 424-5600

Credentials & registration

NPPES · NUCC
NPI registered
December 2005 — 21 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Ohio #3635 T184
Medicaid
OH #0518541

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1487630943. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
256
Distinct HCPCS
7
Medicare allowed
$18,715
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 81 80 $99
99212 Established patient office or other outpatient visit, 10-19 minutes 52 36 $49
92083 Exam of visual field with extended testing 35 24 $58
99213 Established patient office or other outpatient visit, 20-29 minutes 29 28 $86
92004 New patient complete exam of visual system 27 27 $99
92250 Photography of the retina 18 18 $33
92020 Exam of the internal drainage system of eye 14 14 $26

In context: peer comparison

Among 3 peers in Findlay Optometrist, average services per provider: 76. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
380
Patients
77
Total drug cost
$27,817
Drug Type Claims Patients Total cost
Latanoprost Generic 274 53 $4,186
Timolol Maleate Generic 36 0 $579
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 34 24 $470
Alphagan P (Brimonidine Tartrate) Brand 14 0 $5,899
Brimonidine Tartrate Generic 11 0 $3,732
Xiidra (Lifitegrast) Brand 11 0 $12,952

Frequently asked questions

Auto-generated from federal data
What is Dr. John Seng's medical specialty?
Dr. John Seng practices Optometrist in Findlay, OH.
Where does Dr. John Seng practice?
Dr. John Seng practices at 800 N Main St, Findlay, OH 458403550. Office phone: 4194242002.
What is Dr. John Seng's NPI?
Dr. John Seng's National Provider Identifier (NPI) is 1487630943, issued by NPPES.
Does Dr. John Seng accept Medicare assignment?
Yes. Dr. John Seng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Seng commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99212); Exam of visual field with extended testing (HCPCS 92083). Source: CMS Medicare Physician & Other Practitioners file.