Karen L. Seaver, MD

Medicare activity in 2024

Official CMS public-use data for Karen L. Seaver, 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.

Most frequent services

1. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)213 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)179 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)77 services
4. Manual urinalysis test with examination using microscope, non-automated (81000)74 services
5. Annual depression screening, 5 to 15 minutes (G0444)68 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 cholesterol73%
• Diabetes36%
• Arthritis35%
• Chronic kidney disease30%
• Osteoporosis27%

Hospitals where Karen L. Seaver works

Medicare's Facility Affiliation Data lists Karen L. Seaver 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.

• Mercy Health Lakeshore CampusShelby, MI · Critical Access Hospital · Emergency services: listed by Medicare · CCN 231320
• Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230066

Practice locations

Addresses where Karen L. Seaver is enrolled with Medicare (CMS data updated October 2, 2026).

• 1325 Mercy Dr, Suite 2Muskegon, MI 49444 (231) 739‑2444

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Muskegon

Clinicians with the same Medicare primary specialty in Muskegon, MI — not a recommendation.

• Hernan L. Lescay, MD
• Syed Bukhari, MD
• Elizabeth J. Cleary, DO
• Zachary N. Ginsburg, DO
• Marcela A. Novakosky, MD
• Karen A. Thornburg, MD
• Jennifer D. Sandy, DO
• David R. Folkmier, DO

All internal medicine doctors in Muskegon →

Clinician information

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