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Obstetrics/Gynecology

Megan M. Fleese, DO

Works at hospitals in Muskegon, MI · Michigan

Summary

Dr. Megan M. Fleese, DO is an OB-GYN at 1445 Sheldon Rd, Grand Haven, MI 49417. Phone: (231) 672-7939. Accepts Medicare assignment. In 2024, Megan M. Fleese had 16 Original Medicare patients and 28 services. NPI 1710540661. 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: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 1445 Sheldon Rd, Grand Haven, MI 49417 · Directions
  • Phone: (231) 672‑7939
  • Medicare: Accepts Medicare assignment
  • Hospital: Trinity Health Muskegon Hospital
  • Group practice: Lakes Obgyn Specialist
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Megan M. Fleese, 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 Megan M. Fleese accept Medicare assignment?
Yes. Medicare's clinician data says Megan M. Fleese 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 Megan M. Fleese see?
In 2024, CMS data shows 16 Original Medicare patients and 28 services for Megan M. Fleese. This counts Original Medicare only and measures volume, not quality.
What is Megan M. Fleese's NPI number?
1710540661. 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 Megan M. Fleese, 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 patients16
Services billed to Medicare28
Different services or procedures14
Participating Medicare providerYes
Average age of these patients63

Hospitals where Megan M. Fleese works

Medicare's Facility Affiliation Data lists Megan M. Fleese 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 Megan M. Fleese is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Megan M. Fleese as a member of this group (CMS data updated October 2, 2026).

  • Lakes Obgyn Specialist7 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Michigan →

Other OB-GYNs in Grand Haven

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

All OB-GYNs in Grand Haven →

Other clinicians in Lakes Obgyn Specialist

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

Clinician information

CredentialDO
Medical schoolMichigan State University College Of Osteopathic Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1710540661
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