Doctor profile · Federal record

Dr. Michael Thomas, O.D.

Optometrist (CMS: Optometry) · Marengo, IL

  • NPI 1679539993
  • Accepts Medicare
  • 31 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
205 N State St
Marengo, IL 601522239
(815) 568-6508
fax (815) 568-4896

Credentials & registration

NPPES · NUCC
NPI registered
April 2006 — 20 yrs on file
Profile last updated
August 23, 2010
Year of graduation
1995 — 31 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Illinois #046-009334
Medicaid
IL #046009334

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679539993. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
266
Distinct HCPCS
5
Medicare allowed
$23,961
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 117 116 $119
92250 Photography of the retina 69 67 $35
99213 Established patient office or other outpatient visit, 20-29 minutes 36 15 $71
92004 New patient complete exam of visual system 33 33 $141
92133 Imaging of optic nerve 11 11 $35

In context: peer comparison

Among 2 peers in this city , average services per provider: 50. This provider delivers 5.3× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 1 $17.59

By nature of payment

Food and Beverage
$18

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
36
Patients
0
Total drug cost
$417
Drug Type Claims Patients Total cost
Latanoprost Generic 36 0 $417

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael Thomas's medical specialty?
Dr. Michael Thomas practices Optometrist in Marengo, IL.
Where does Dr. Michael Thomas practice?
Dr. Michael Thomas practices at 205 N State St, Marengo, IL 601522239. Office phone: 8155686508.
What is Dr. Michael Thomas's NPI?
Dr. Michael Thomas's National Provider Identifier (NPI) is 1679539993, issued by NPPES.
Does Dr. Michael Thomas accept Medicare assignment?
Yes. Dr. Michael Thomas accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael Thomas commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Photography of the retina (HCPCS 92250); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.