Quick answers
- Does Douglas S. Segar accept Medicare assignment?
- Yes. Medicare's clinician data says Douglas S. Segar 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 Douglas S. Segar see?
- In 2024, CMS data shows 872 Original Medicare patients and 1,580 services for Douglas S. Segar. This counts Original Medicare only and measures volume, not quality.
- What is Douglas S. Segar's NPI number?
- 1386606663. 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 Douglas S. Segar, 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 | 872 |
|---|---|
| Services billed to Medicare | 1,580 |
| Different services or procedures | 47 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Ultrasound of heart with color-depicted blood flow, rate, direction and valve function (93306)399 services
- Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)235 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)181 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)181 services
- Ultrasound of heart blood flow, valves and chambers (93320)61 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 cholesterol75%
- Ischemic heart disease60%
- Atrial fibrillation45%
- Arthritis44%
- Heart failure43%
Hospitals where Douglas S. Segar works
Medicare's Facility Affiliation Data lists Douglas S. Segar 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.
- Ascension St Vincent HospitalIndianapolis, IN · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 150084
- Hendricks Regional HealthDanville, IN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 150005
- Indiana University HealthIndianapolis, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150056
- Rush Memorial HospitalRushville, IN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 151304
- St Vincent Heart CenterCarmel, IN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 150153
Practice locations
Addresses where Douglas S. Segar is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 22; the Medicare profile lists all.
- 1000 N 16th StNew Castle, IN 47362
- 10580 N Meridian StCarmel, IN 46290 (317) 583‑5000
- 10590 N Meridian StCarmel, IN 46290
- 110 E 13th StRushville, IN 46173 (765) 932‑7591
- 12 Chase ParkLogansport, IN 46947 (317) 583‑7600
Group practices
Medicare enrollment lists Douglas S. Segar as a member of these groups (CMS data updated October 2, 2026).
- St Vincent Medical Group Inc736 clinicians in the group
- Rush Memorial Hospital69 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Indiana →
Other cardiologists in New Castle
Clinicians with the same Medicare primary specialty in New Castle, IN — not a recommendation.
Other clinicians in St Vincent Medical Group Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Indiana University School Of Medicine |
| Graduation year | 1984 (42 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386606663 |
| 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