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Emergency Medicine

Steven R. Yester Jr., DO

Works at hospitals in Mount Clemens, MI · Michigan

Summary

Dr. Steven R. Yester Jr., DO is an emergency medicine doctor at 1000 Harrington St, Mount Clemens, MI 48043. Phone: (586) 493-8000. Accepts Medicare assignment. In 2024, Steven R. Yester Jr. had 378 Original Medicare patients and 488 services. NPI 1225323793. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 1000 Harrington St, Mount Clemens, MI 48043 · Directions
  • Phone: (586) 493‑8000
  • Medicare: Accepts Medicare assignment
  • Hospital: McLaren Macomb
  • Group practice: Observation Physicians of Macomb PLLC
  • Medical school: Michigan State University College Of Osteopathic Medicine · graduated 2011 (15 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Steven R. Yester Jr., 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 Steven R. Yester Jr. accept Medicare assignment?
Yes. Medicare's clinician data says Steven R. Yester Jr. 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 Steven R. Yester Jr. see?
In 2024, CMS data shows 378 Original Medicare patients and 488 services for Steven R. Yester Jr.. This counts Original Medicare only and measures volume, not quality.
What is Steven R. Yester Jr.'s NPI number?
1225323793. 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 Steven R. Yester Jr., 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 patients378
Services billed to Medicare488
Different services or procedures28
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)206 services
  2. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)59 services
  3. Critical care, first 30-74 minutes (99291)51 services
  4. Hospital discharge day management, more than 30 minutes (99239)48 services
  5. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)35 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%
  • Arthritis54%
  • Anxiety48%
  • Diabetes46%
  • Ischemic heart disease46%

Hospitals where Steven R. Yester Jr. works

Medicare's Facility Affiliation Data lists Steven R. Yester Jr. 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.

  • McLaren MacombMount Clemens, MI · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 230227

Practice locations

Addresses where Steven R. Yester Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Steven R. Yester Jr. as a member of this group (CMS data updated October 2, 2026).

  • Observation Physicians of Macomb PLLC23 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Michigan →

Other emergency medicine doctors in Mount Clemens

Clinicians with the same Medicare primary specialty in Mount Clemens, MI — not a recommendation.

All emergency medicine doctors in Mount Clemens →

Other clinicians in Observation Physicians of Macomb PLLC

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 year2011 (15 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1225323793
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