Doctor profile · Federal record
Dr. Thomas Unger, O.D.
Optometrist (CMS: Optometry) · Troy, IL
- NPI 1629158092
- Accepts Medicare
- MIPS 100.0 / 100 · 2023
- 38 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
534 Edwardsville RD
Troy, IL 622941338
(618) 667-2020
fax (618) 667-0205
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- November 17, 2009
- Year of graduation
- 1988 — 38 yrs since
- Specialty taxonomy
- 152W00000X — NUCC code
- State license (1)
- Illinois #046.008303
- Medicaid
- IL #046008303
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1629158092. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
4,088
Distinct HCPCS
10
Medicare allowed
$103,276
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
66984 |
Removal of cataract with insertion of prosthetic lens | 2,427 | 17 | $1 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 244 | 153 | $125 | |
92250 |
Photography of the retina | 221 | 152 | $34 | |
83861 |
Microfluid analysis of tears | 204 | 61 | $22 | |
92083 |
Exam of visual field with extended testing | 196 | 107 | $53 | |
92134 |
Imaging of retina | 137 | 79 | $36 | |
92284 |
Evaluation of eye adaptation to light and dark with interpretation and report | 120 | 78 | $39 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 104 | 77 | $89 | |
92082 |
Exam of visual field with intermediate testing | 99 | 85 | $44 | |
92273 |
Measurement of retinal and optic nerve function | 80 | 55 | $116 |
In context: peer comparison
Among 1 peers in Troy Optometrist, average services per provider: 240. This provider delivers 17× the peer median.Open Payments
Industry payments received
All-time total
$358
Transactions
8
Manufacturers
5
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Alcon Vision LLC | 1 | $99.89 | |
| Lkc Technologies, INC. | 1 | $90.36 | |
| CooperVision INC. | 1 | $66.40 | |
| Bausch & Lomb Americas INC. | 3 | $61.64 | |
| Tarsus Pharmaceuticals, INC. | 2 | $39.25 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
189
Patients
41
Total drug cost
$30,619
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Latanoprost | Generic | 97 | 28 | $3,667 |
| Brimonidine Tartrate | Generic | 39 | 0 | $1,990 |
| Prednisolone Acetate | Generic | 20 | 13 | $597 |
| Brimonidine Tartrate-Timolol (Brimonidine Tartrate/Timolol) | Brand | 11 | 0 | $2,334 |
| Dorzolamide-Timolol (Dorzolamide Hcl/Timolol Maleat) | Brand | 11 | 0 | $208 |
| Xiidra (Lifitegrast) | Brand | 11 | 0 | $21,822 |
Frequently asked questions
What is Dr. Thomas Unger's medical specialty?
Dr. Thomas Unger practices Optometrist in Troy, IL.
Where does Dr. Thomas Unger practice?
Dr. Thomas Unger practices at 534 Edwardsville RD, Troy, IL 622941338. Office phone: 6186672020.
What is Dr. Thomas Unger's NPI?
Dr. Thomas Unger's National Provider Identifier (NPI) is 1629158092, issued by NPPES.
Does Dr. Thomas Unger accept Medicare assignment?
Yes. Dr. Thomas Unger accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thomas Unger 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); Photography of the retina (HCPCS 92250). Source: CMS Medicare Physician & Other Practitioners file.