Quick answers
- Does Carlos Vieira accept Medicare assignment?
- Yes. Medicare's clinician data says Carlos Vieira accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Carlos Vieira see?
- In 2024, CMS data shows 150 Original Medicare patients and 362 services for Carlos Vieira. This counts Original Medicare only and measures volume, not quality.
- What is Carlos Vieira's NPI number?
- 1164463949. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Carlos Vieira, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 150 |
|---|---|
| Services billed to Medicare | 362 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)139 services
- New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)37 services
- Partial removal of breast (19301)19 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)18 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High blood pressure75%
- High cholesterol74%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)67%
- Arthritis50%
- Diabetes37%
- Chronic kidney disease31%
Hospitals where Carlos Vieira works
Medicare's Facility Affiliation Data lists Carlos Vieira at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Columbus Regional HospitalColumbus, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150112
- Major HospitalShelbyville, IN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 150097
Practice locations
Addresses where Carlos Vieira is enrolled with Medicare (CMS data updated October 2, 2026).
- 2158 Intelliplex Dr, Suite 100Shelbyville, IN 46176 (317) 421‑1980
- 2451 Intelliplex DrShelbyville, IN 46176 (317) 392‑3211
Group practices
Medicare enrollment lists Carlos Vieira as a member of these groups (CMS data updated October 2, 2026).
- Major Hospital103 clinicians in the group
- Major Multispecialty Associates41 clinicians in the group
Specialties
- General Surgeryprimary
Other general surgeons in Indiana
Clinicians with the same Medicare primary specialty in Indiana — not a recommendation.
Other clinicians in Major Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1996 (30 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1164463949 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians