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Family Practice

Cynthia Fisher, DO

Works at hospitals in Berlin, WI · Appleton, WI · Neenah, WI · Wisconsin

Summary

Dr. Cynthia Fisher, DO is a family doctor at 600 N Westhaven Dr, Oshkosh, WI 54904. Phone: (920) 725-0077. Accepts Medicare assignment. In 2024, Cynthia Fisher had 91 Original Medicare patients and 959 services. NPI 1588824908. 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 Cynthia Fisher, 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 Cynthia Fisher accept Medicare assignment?
Yes. Medicare's clinician data says Cynthia Fisher 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 Cynthia Fisher see?
In 2024, CMS data shows 91 Original Medicare patients and 959 services for Cynthia Fisher. This counts Original Medicare only and measures volume, not quality.
What is Cynthia Fisher's NPI number?
1588824908. 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 Cynthia Fisher, 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 patients91
Services billed to Medicare959
Different services or procedures68
Participating Medicare providerYes
Average age of these patients71

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)122 services
  2. Insertion of needle into vein for collection of blood sample (36415)97 services
  3. Blood test, basic group of blood chemicals (calcium, total) (80048)66 services
  4. 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)49 services
  5. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)43 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 cholesterol70%
  • High blood pressure68%
  • Arthritis35%
  • Chronic kidney disease35%
  • Depression26%
  • Diabetes24%

Hospitals where Cynthia Fisher works

Medicare's Facility Affiliation Data lists Cynthia Fisher 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.

Practice locations

Addresses where Cynthia Fisher is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Cynthia Fisher as a member of this group (CMS data updated October 2, 2026).

  • Thedacare, Incorporated647 clinicians in the group

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in Oshkosh

Clinicians with the same Medicare primary specialty in Oshkosh, WI — not a recommendation.

All family doctors in Oshkosh →

Other clinicians in Thedacare, Incorporated

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

Clinician information

CredentialDO
Medical schoolUniversity Of Iowa, Rj & L Carver College Of Medicine
Graduation year2008 (18 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1588824908
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