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Family Practice

Katherine S. Hayward, MD

Works at hospitals in St Joseph, MI · Michigan

Summary

Dr. Katherine S. Hayward, MD is a family doctor at 1234 Napier Ave, Saint Joseph, MI 49085. Phone: (269) 983-8300. Accepts Medicare assignment. In 2024, Katherine S. Hayward had 35 Original Medicare patients and 71 services. NPI 1457388423. 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: 1234 Napier Ave, Saint Joseph, MI 49085 · Directions
  • Phone: (269) 983‑8300
  • Medicare: Accepts Medicare assignment
  • Hospital: Lakeland Hospital, St Joseph
  • Group practice: Lakeland Medical Practices
  • Medical school: Wake Forest University School Of Medicine · graduated 1992 (34 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Katherine S. Hayward, 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 Katherine S. Hayward accept Medicare assignment?
Yes. Medicare's clinician data says Katherine S. Hayward 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 Katherine S. Hayward see?
In 2024, CMS data shows 35 Original Medicare patients and 71 services for Katherine S. Hayward. This counts Original Medicare only and measures volume, not quality.
What is Katherine S. Hayward's NPI number?
1457388423. 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 Katherine S. Hayward, 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 patients35
Services billed to Medicare71
Different services or procedures6
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)31 services
  2. Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes (99231)23 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 cholesterol75%
  • Chronic kidney disease63%
  • Diabetes54%
  • Heart failure54%
  • Ischemic heart disease51%

Hospitals where Katherine S. Hayward works

Medicare's Facility Affiliation Data lists Katherine S. Hayward 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.

  • Lakeland Hospital, St JosephSt Joseph, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230021

Practice locations

Addresses where Katherine S. Hayward is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Katherine S. Hayward as a member of this group (CMS data updated October 2, 2026).

  • Lakeland Medical Practices281 clinicians in the group

Specialties

Find other Family Practice doctors in Michigan →

Other family doctors in Saint Joseph

Clinicians with the same Medicare primary specialty in Saint Joseph, MI — not a recommendation.

All family doctors in Saint Joseph →

Other clinicians in Lakeland Medical Practices

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

Clinician information

CredentialMD
Medical schoolWake Forest University School Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1457388423
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