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Family Practice

Samantha M. Bissen, DO

Works at hospitals in Waterloo, IA · Grundy Center, IA · Marshalltown, IA · Iowa

Summary

Dr. Samantha M. Bissen, DO is a family doctor at 101 E J Ave, Suite 120, Grundy Center, IA 50638. Phone: (319) 824-6945. Accepts Medicare assignment. In 2024, Samantha M. Bissen had 25 Original Medicare patients and 32 services. NPI 1245769249. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Samantha M. Bissen, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Samantha M. Bissen accept Medicare assignment?
Yes. Medicare's clinician data says Samantha M. Bissen 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 Samantha M. Bissen see?
In 2024, CMS data shows 25 Original Medicare patients and 32 services for Samantha M. Bissen. This counts Original Medicare only and measures volume, not quality.
What is Samantha M. Bissen's NPI number?
1245769249. 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 Samantha M. Bissen, 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 patients25
Services billed to Medicare32
Different services or procedures11
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)13 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 cholesterol75%
  • High blood pressure72%
  • Ischemic heart disease48%
  • Anxiety44%

Hospitals where Samantha M. Bissen works

Medicare's Facility Affiliation Data lists Samantha M. Bissen 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.

  • Allen HospitalWaterloo, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160110
  • Grundy County Memorial HospitalGrundy Center, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161303
  • UnityPoint Health - MarshalltownMarshalltown, IA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 160001

Practice locations

Addresses where Samantha M. Bissen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Samantha M. Bissen as a member of this group (CMS data updated October 2, 2026).

  • Iowa Physicians Clinic Medical Foundation1,246 clinicians in the group

Specialties

Find other Family Practice doctors in Iowa →

Other family doctors in Iowa

Clinicians with the same Medicare primary specialty in Iowa — not a recommendation.

All family doctors in Iowa →

Other clinicians in Iowa Physicians Clinic Medical Foundation

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialDO
Medical schoolDes Moines University Of Osteopathic Medicine And Health Sciences
Graduation year2017 (9 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1245769249
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians