Quick answers
- Does Joanna Lenik-Oliva accept Medicare assignment?
- Yes. Medicare's clinician data says Joanna Lenik-Oliva 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.
- What is Joanna Lenik-Oliva's NPI number?
- 1841855343. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Joanna Lenik-Oliva works
Medicare's Facility Affiliation Data lists Joanna Lenik-Oliva 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.
- Essentia Health St Joseph's Medical CenterBrainerd, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240075
- Park Nicollet Methodist HospitalSaint Louis Park, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240053
- Regions HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240106
Practice locations
Addresses where Joanna Lenik-Oliva is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 15350 English AveApple Valley, MN 55124 (952) 431‑8500
- 2024 S 6th StBrainerd, MN 56401 (218) 828‑7100
- 233 Radio DrWoodbury, MN 55125 (952) 967‑7616
- 2621 Greenhaven RdAnoka, MN 55303 (952) 853‑8800
- 401 Phalen BlvdSaint Paul, MN 55130 (651) 254‑7400
Group practices
Medicare enrollment lists Joanna Lenik-Oliva as a member of these groups (CMS data updated October 2, 2026).
- Group Health Inc1,638 clinicians in the group
- St Josephs Medical Center237 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Apple Valley
Clinicians with the same Medicare primary specialty in Apple Valley, MN — not a recommendation.
Other clinicians in Group Health Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2017 (9 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841855343 |
| 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
- 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