Quick answers
- Does Marco Olivera-Martinez accept Medicare assignment?
- Yes. Medicare's clinician data says Marco Olivera-Martinez 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 Marco Olivera-Martinez see?
- In 2024, CMS data shows 233 Original Medicare patients and 479 services for Marco Olivera-Martinez. This counts Original Medicare only and measures volume, not quality.
- What is Marco Olivera-Martinez's NPI number?
- 1518125194. 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 Marco Olivera-Martinez, 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 | 233 |
|---|---|
| Services billed to Medicare | 479 |
| Different services or procedures | 27 |
| Participating Medicare provider | Yes |
| Average age of these patients | 66 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)137 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)113 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)70 services
- Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)37 services
- Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)23 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 cholesterol63%
- Diabetes50%
- Chronic kidney disease48%
- Arthritis40%
- Depression34%
Hospitals where Marco Olivera-Martinez works
Medicare's Facility Affiliation Data lists Marco Olivera-Martinez 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.
- Bellevue Medical CenterBellevue, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280132
- Bryan Medical CenterLincoln, NE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 280003
- Great Plains HealthNorth Platte, NE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 280065
- The Nebraska Medical CenterOmaha, NE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 280013
- UnityPoint Health - Des Moines Iowa Methodist MediDes Moines, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160082
Practice locations
Addresses where Marco Olivera-Martinez is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.
- 111 N 175th StOmaha, NE 68118
- 1200 Pleasant StDes Moines, IA 50309
- 1200 Pleasant St, Suite 509Des Moines, IA 50309 (515) 241‑3218
- 1206 Pleasant StDes Moines, IA 50309
- 1215 Pleasant StDes Moines, IA 50309
Group practices
Medicare enrollment lists Marco Olivera-Martinez as a member of these groups (CMS data updated October 2, 2026).
- UNMC Physicians1,518 clinicians in the group
- Central Iowa Hospital Corporation239 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Omaha
Clinicians with the same Medicare primary specialty in Omaha, NE — not a recommendation.
Other clinicians in UNMC Physicians
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1982 (44 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518125194 |
| 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