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Family Practice

Stephanie A. Machinski, MD

Works at hospitals in Big Rapids, MI · Reed City, MI · Michigan

Summary

Dr. Stephanie A. Machinski, MD is a family doctor at 300 N Patterson Rd, Corewell Health Reed City Hospital, Reed City, MI 49677. Phone: (231) 832-7170. Accepts Medicare assignment. In 2024, Stephanie A. Machinski had 20 Original Medicare patients and 28 services. NPI 1790135259. 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.

  • Specialty: Family doctor (Medicare lists Family Practice)
  • Address: 300 N Patterson Rd, Corewell Health Reed City Hospital, Reed City, MI 49677 · Directions (1 more location)
  • Phone: (231) 832‑7170
  • Medicare: Accepts Medicare assignment
  • Hospitals: Corewell Health Big Rapids Hospital, Corewell Health Reed City Hospital
  • Group practice: Reed City Hospital Corporation
  • Medical school: Wayne State University School Of Medicine · graduated 2016 (10 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Stephanie A. Machinski, 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 Stephanie A. Machinski accept Medicare assignment?
Yes. Medicare's clinician data says Stephanie A. Machinski 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 Stephanie A. Machinski see?
In 2024, CMS data shows 20 Original Medicare patients and 28 services for Stephanie A. Machinski. This counts Original Medicare only and measures volume, not quality.
What is Stephanie A. Machinski's NPI number?
1790135259. 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 Stephanie A. Machinski, 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 patients20
Services billed to Medicare28
Different services or procedures9
Participating Medicare providerYes
Average age of these patients74

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)16 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 cholesterol70%

Hospitals where Stephanie A. Machinski works

Medicare's Facility Affiliation Data lists Stephanie A. Machinski 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 Stephanie A. Machinski is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Stephanie A. Machinski as a member of this group (CMS data updated October 2, 2026).

  • Reed City Hospital Corporation32 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Michigan

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

All family doctors in Michigan →

Other clinicians in Reed City Hospital Corporation

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

Clinician information

CredentialMD
Medical schoolWayne State University School Of Medicine
Graduation year2016 (10 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1790135259
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