Robert Thain, MD
NPI 1285737213 · Family Medicine Physician · O Fallon, IL
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Thain, MD is a Family Medicine Physician provider in O Fallon, IL (NPI 1285737213).
Provider details
- NPI number
- 1285737213
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 036-087321 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
302 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 186 | $127 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 56 | $168 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 34 | $88 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 15 | $130 |
| Transitional Care Management Services for Problem of at Least Moderate Complexity99495 | 11 | $205 |
Typical Medicare-allowed amounts for these services range $88–$205 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 76 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 226 | 75 |
| Levothyroxine Sodium | 171 | 62 |
| Lisinopril | 169 | 66 |
| Amlodipine Besylate | 155 | 60 |
| Gabapentin | 115 | 36 |
| Omeprazole | 112 | 37 |
| Metoprolol Succinate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$291 across 16 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 200 Richmond Ave E Ste 1Mattoon, IL 61938-4652Phone: (217) 234-7000Fax: (217) 234-7011
Registry dates
- Enumerated
- 2006-09-06
- Last updated
- 2025-10-20
- Certified
- 2025-10-20
Frequently asked questions
- What is Robert Thain's NPI number?
- Robert Thain's National Provider Identifier (NPI) is 1285737213, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Thain's specialty?
- Robert Thain is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Thain located?
- Robert Thain's practice location on file with NPPES is 100 Springfield Ct, O Fallon, IL 62269-2495.
- What is Robert Thain's phone number?
- The practice phone number listed in the NPPES registry for Robert Thain is (618) 632-3565.
- Does Robert Thain accept Medicare?
- Robert Thain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Thain's NPI active?
- Yes — Robert Thain's NPI (1285737213) is active in the NPPES registry as of the last update on 2025-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.