Quick answers
- Does Tessa Marburger accept Medicare assignment?
- Yes. Medicare's clinician data says Tessa Marburger 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 Tessa Marburger see?
- In 2024, CMS data shows 146 Original Medicare patients and 860 services for Tessa Marburger. This counts Original Medicare only and measures volume, not quality.
- What is Tessa Marburger's NPI number?
- 1942476825. 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 Tessa Marburger, 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 | 146 |
|---|---|
| Services billed to Medicare | 860 |
| Different services or procedures | 24 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)47 services
- Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)45 services
- Needle measurement of electrical activity in arm or leg muscles, complete study (95886)35 services
- Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)27 services
- Measurement of brain wave activity (eeg), awake and drowsy (95816)16 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 pressure72%
- High cholesterol70%
- Arthritis46%
- Diabetes36%
- Stroke or mini-stroke36%
- Depression29%
Hospitals where Tessa Marburger works
Medicare's Facility Affiliation Data lists Tessa Marburger 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.
- CHI St Alexius HealthBismarck, ND · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 350002
- CHI St Alexius Health WillistonWilliston, ND · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 351334
- Frances Mahon Deaconess HospitalGlasgow, MT · Critical Access Hospital · Emergency services: listed by Medicare · CCN 271316
- Sidney Health CenterSidney, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271344
- Trinity HospitalsMinot, ND · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 350006
Practice locations
Addresses where Tessa Marburger is enrolled with Medicare (CMS data updated October 2, 2026).
- 1500 14th St W, Suite 300Williston, ND 58801 (701) 774‑7500
- 2500 Sunset DrMandan, ND 58554 (701) 667‑4600
- 900 E Broadway AveBismarck, ND 58501 (701) 530‑7000
Group practices
Medicare enrollment lists Tessa Marburger as a member of these groups (CMS data updated October 2, 2026).
- St Alexius Medical Center238 clinicians in the group
- Mercy Medical Center77 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in North Dakota
Clinicians with the same Medicare primary specialty in North Dakota — not a recommendation.
Other clinicians in St Alexius Medical Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Michigan Medical School |
| Graduation year | 2006 (20 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) | 1942476825 |
| 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