Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Karl Feuerstein

Individual provider Certified Registered Nurse Anesthetist · NPI 1467901819

Karl Feuerstein is registered under Certified Registered Nurse Anesthetist (CRNA) in Muskegon, Michigan. Qualified in 2016, 10 years ago. Practices with Spectrum Health Primary Care Partners, a 2,303-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
10
Licensed in
MI
In the registry since
2016
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Practice location Address checks out

1500 E Sherman Blvd
Muskegon, MI 49444-1849
Phone: (231) 672-2000
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 100 Michigan St Ne, Grand Rapids, MI 49503-2560 — (616) 364-4200
  • 3333 Evergreen Dr Ne Ste 100, Grand Rapids, MI 49525-9493 — (616) 364-4200

Specialties & licences

Certified Registered Nurse Anesthetist (primary) Taxonomy 367500000X · Licence 4704282701 (MI)

Record details

NPI number1467901819
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedSeptember 27, 2016
Last updated in NPPESJanuary 22, 2024
Certification dateJanuary 22, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Spectrum Health Primary Care Partners — 2303 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations4 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients267
Services billed 314 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

  • Spectrum Health Hospital · Grand Rapids, MI · listed as Spectrum Health Hospital
  • Trinity Health Muskegon Hospital Hospital · Muskegon, MI

Colleagues at Spectrum Health Primary Care Partners

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2303 clinicians in the practice; 12 are shown here.

Other providers in Muskegon