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

John E Almquist, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1104810118

John E Almquist, MD practises Internal Medicine in Appleton, Wisconsin. Graduated from Medical College of Wisconsin in 1979, 47 years ago. Practices with Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc, a 554-clinician group and accepts Medicare assignment. Licensed in Wisconsin.

Years since qualifying
47
Trained at
Medical College of Wisconsin
Licensed in
WI
In the registry since
2005
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

1506 S Oneida St
Appleton, WI 54915-1305 Not confirmed with CMS for 11 years — call before visiting
Phone: (920) 738-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 24449 (WI)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 24449 (WI)

Record details

NPI number1104810118
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 6, 2005
Last updated in NPPESFebruary 17, 2015

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesCRITICAL CARE (INTENSIVISTS)
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 1979 (47 years in practice)
Group practice Aspirus Rhinelander And Tomahawk Hospitals And Clinics, Inc. — 554 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 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 patients22
Services billed 36 a service is one billed item, such as a visit, a test or a procedure
Average patient age80

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.

  • Aspirus Rhinelander Hospital Hospital · Rhinelander, WI

Colleagues at Aspirus Rhinelander and Tomahawk Hospitals and Clinics, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 554 clinicians in the practice; 12 are shown here.

Other providers in Appleton