Quick answers
- Does Nathanael M. Larsen accept Medicare assignment?
- Yes. Medicare's clinician data says Nathanael M. Larsen 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 Nathanael M. Larsen see?
- In 2024, CMS data shows 27 Original Medicare patients and 227 services for Nathanael M. Larsen. This counts Original Medicare only and measures volume, not quality.
- What is Nathanael M. Larsen's NPI number?
- 1912954728. 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 Nathanael M. Larsen, 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 | 27 |
|---|---|
| Services billed to Medicare | 227 |
| Different services or procedures | 5 |
| Participating Medicare provider | Yes |
| Average age of these patients | 49 |
Most frequent services
- Psychotherapy, 30 minutes (90832)92 services
- Psychotherapy, 45 minutes (90834)85 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).
- Anxiety75%
- Depression67%
- High cholesterol44%
Practice locations
Addresses where Nathanael M. Larsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 980 S Tower RdFergus Falls, MN 56537 (218) 736‑6987
Group practices
Medicare enrollment lists Nathanael M. Larsen as a member of this group (CMS data updated October 2, 2026).
- Lakeland Mental Health Center Inc40 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Fergus Falls
Clinicians with the same Medicare primary specialty in Fergus Falls, MN — not a recommendation.
Other clinicians in Lakeland Mental Health Center Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2004 |
|---|---|
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1912954728 |
| 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
- 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