Quick answers
- Does Lorraine M. Tangen accept Medicare assignment?
- Yes. Medicare's clinician data says Lorraine M. Tangen 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 Lorraine M. Tangen see?
- In 2024, CMS data shows 106 Original Medicare patients and 386 services for Lorraine M. Tangen. This counts Original Medicare only and measures volume, not quality.
- What is Lorraine M. Tangen's NPI number?
- 1568506988. 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 Lorraine M. Tangen, 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 | 106 |
|---|---|
| Services billed to Medicare | 386 |
| Different services or procedures | 28 |
| Participating Medicare provider | Yes |
| Average age of these patients | 81 |
Most frequent services
- Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes (99309)156 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)73 services
- Hospital discharge day management, more than 30 minutes (99239)23 services
- Hospital discharge day management, 30 minutes or less (99238)18 services
- Initial nursing facility care with moderate level of medical decision making, per day, if using time, at least 35 minutes (99305)11 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 cholesterol71%
- Chronic kidney disease47%
- Depression40%
- Arthritis38%
- Atrial fibrillation38%
Hospitals where Lorraine M. Tangen works
Medicare's Facility Affiliation Data lists Lorraine M. Tangen 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.
- Avera Holy Family HospitalEstherville, IA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 161351
- Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430016
- Lakes Regional HealthcareSpirit Lake, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160124
- Spencer Municipal HospitalSpencer, IA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 160112
Practice locations
Addresses where Lorraine M. Tangen is enrolled with Medicare (CMS data updated October 2, 2026).
- 826 N 8th StEstherville, IA 51334 (712) 362‑2631
- 926 N 8th StEstherville, IA 51334 (712) 362‑6501
Group practices
Medicare enrollment lists Lorraine M. Tangen as a member of this group (CMS data updated October 2, 2026).
- Avera Holy Family8 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Estherville
Clinicians with the same Medicare primary specialty in Estherville, IA — not a recommendation.
Other clinicians in Avera Holy Family
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1990 (36 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1568506988 |
| 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