Doctor profile · Federal record

Dr. John Geiser, OD

Optometrist (CMS: Optometry) · Lacon, IL

  • NPI 1578580189
  • Accepts Medicare
  • MIPS 0.0 / 100 · 2023
  • 54 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
114 5Th St
Lacon, IL 615401206
(309) 246-8177
fax (309) 246-3472

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 10, 2008
Year of graduation
1972 — 54 yrs since
Specialty taxonomy
152W00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1578580189. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,655
Distinct HCPCS
3
Medicare allowed
$100,938
HCPCS Description Services Patients Avg allowed
66984 Removal of cataract with insertion of prosthetic lens 2,880 17 $1
99214 Established patient office or other outpatient visit, 30-39 minutes 710 492 $123
99204 New patient office or other outpatient visit, 45-59 minutes 65 65 $160

In context: peer comparison

Among 2 peers in Lacon Optometrist, average services per provider: 762. This provider delivers 4.8× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
80
Patients
39
Total drug cost
$3,115
Drug Type Claims Patients Total cost
Neomycin-Polymyxin-Dexameth (Neomycin/Polymyxin B/Dexametha) Brand 44 20 $597
Tobramycin-Dexamethasone (Tobramycin/Dexamethasone) Brand 36 19 $2,518

Frequently asked questions

Auto-generated from federal data
What is Dr. John Geiser's medical specialty?
Dr. John Geiser practices Optometrist in Lacon, IL.
Where does Dr. John Geiser practice?
Dr. John Geiser practices at 114 5Th St, Lacon, IL 615401206. Office phone: 3092468177.
What is Dr. John Geiser's NPI?
Dr. John Geiser's National Provider Identifier (NPI) is 1578580189, issued by NPPES.
Does Dr. John Geiser accept Medicare assignment?
Yes. Dr. John Geiser accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. John Geiser commonly perform?
Top Medicare-reported procedures in 2023: Removal of cataract with insertion of prosthetic lens (HCPCS 66984); Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204). Source: CMS Medicare Physician & Other Practitioners file.