Quick answers
- Does Theresa L. Greco accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa L. Greco 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 Theresa L. Greco see?
- In 2024, CMS data shows 28 Original Medicare patients and 106 services for Theresa L. Greco. This counts Original Medicare only and measures volume, not quality.
- What is Theresa L. Greco's NPI number?
- 1356318240. 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 Theresa L. Greco, 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 | 28 |
|---|---|
| Services billed to Medicare | 106 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Hemoglobin a1c level (83036)33 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%
- Diabetes75%
- High cholesterol64%
Hospitals where Theresa L. Greco works
Medicare's Facility Affiliation Data lists Theresa L. Greco 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.
- Eskenazi HealthIndianapolis, IN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 150024
Practice locations
Addresses where Theresa L. Greco is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 2700 Dr Martin Luther King Jr StIndianapolis, IN 46208 (317) 931‑4300
- 720 Eskenazi AveIndianapolis, IN 46202 (317) 880‑0000
- 720 Eskenazi Ave, Eskenazi HealthIndianapolis, IN 46202 (317) 880‑0000
- 720 Eskenazi Ave FlIndianapolis, IN 46202 (317) 880‑7000
- 720 Eskenazi Ave Fl, 2 Eskenazi Health CenterIndianapolis, IN 46202 (317) 880‑7000
Group practices
Medicare enrollment lists Theresa L. Greco as a member of this group (CMS data updated October 2, 2026).
- The Health and Hospital Corporation of Marion County236 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Indianapolis
Clinicians with the same Medicare primary specialty in Indianapolis, IN — not a recommendation.
Other clinicians in The Health and Hospital Corporation of Marion County
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 | 1998 (28 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356318240 |
| 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