Doctor profile · Federal record
Dr. Robert Thain, MD
Family Medicine Physician (CMS: Family Practice) · O Fallon, IL
- NPI 1285737213
- Accepts Medicare
- MIPS 92.6 / 100 · 2023
- 35 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
100 Springfield CT
O Fallon, IL 622692495
(618) 632-3565 - Additional location
-
200 Richmond Ave E Ste 1
Mattoon, IL 619384652
(217) 234-7000
fax (217) 234-7011
Credentials & registration
- NPI registered
- September 2006 — 20 yrs on file
- Profile last updated
- October 20, 2025
- Year of graduation
- 1991 — 35 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Illinois #036-087321
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1285737213. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
452
Distinct HCPCS
4
Medicare allowed
$49,339
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 252 | 152 | $88 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 156 | 114 | $124 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 25 | 25 | $165 | |
99495 |
Transitional care management services for problem of at least moderate complexity | 19 | 19 | $198 |
In context: peer comparison
Among 10 peers in this city , average services per provider: 68. This provider delivers 6.6× the peer median.Open Payments
Industry payments received
All-time total
$291
Transactions
16
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Lilly USA, LLC | 7 | $128.83 | |
| Amgen Inc. | 2 | $38.40 | |
| PFIZER INC. | 2 | $36.33 | |
| Abbott Laboratories | 1 | $22.33 | |
| Tris Pharma Inc | 1 | $18.22 | |
| Novo Nordisk Inc | 1 | $17.57 | |
| Astellas Pharma US Inc | 1 | $16.08 | |
| AstraZeneca Pharmaceuticals LP | 1 | $13.40 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
3,464
Patients
781
Total drug cost
$48,440
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 418 | 93 | $6,001 |
| Levothyroxine Sodium | Generic | 360 | 85 | $4,467 |
| Lisinopril | Generic | 348 | 88 | $2,980 |
| Amlodipine Besylate | Generic | 341 | 77 | $3,506 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 315 | 53 | $6,195 |
| Gabapentin | Generic | 269 | 44 | $3,843 |
| Metformin Hcl | Generic | 213 | 55 | $1,768 |
| Omeprazole | Generic | 203 | 48 | $2,917 |
| Furosemide | Generic | 192 | 52 | $1,178 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 147 | 32 | $6,741 |
Hospital affiliations
Frequently asked questions
What is Dr. Robert Thain's medical specialty?
Dr. Robert Thain practices Family Medicine Physician in O Fallon, IL.
Where does Dr. Robert Thain practice?
Dr. Robert Thain practices at 100 Springfield CT, O Fallon, IL 622692495. Office phone: 6186323565.
What is Dr. Robert Thain's NPI?
Dr. Robert Thain's National Provider Identifier (NPI) is 1285737213, issued by NPPES.
Does Dr. Robert Thain accept Medicare assignment?
Yes. Dr. Robert Thain accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Robert Thain commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); 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.