Robert M. Dyksterhouse, MD

Medicare activity in 2024

Official CMS public-use data for Robert M. Dyksterhouse, 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.

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)74 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)47 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)23 services
4. Hemoglobin a1c level (83036)16 services
5. Administration of influenza virus vaccine (G0008)11 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 pressure66%
• High cholesterol63%
• Arthritis34%
• Depression28%
• Diabetes25%
• Anxiety24%

Hospitals where Robert M. Dyksterhouse works

Medicare's Facility Affiliation Data lists Robert M. Dyksterhouse 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.

• Chelsea HospitalChelsea, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230259
• Trinity Health Ann Arbor HospitalAnn Arbor, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230156

Practice locations

Addresses where Robert M. Dyksterhouse is enrolled with Medicare (CMS data updated October 2, 2026).

• 4936 W Clark RdYpsilanti, MI 48197 (734) 434‑6200
• 4940 W Clark RdYpsilanti, MI 48197 (734) 971‑1188

Group practices

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

• Iha Health Services Corporation1,168 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Ypsilanti

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

• Matthew Messana, MD
• Marc S. Mastropaolo, DO
• Joseph G. Abbo, MD
• Mays M. Alatiyat, MD
• Houssam Y. Hariri, MD
• Hamidullah Halimi, MD
• Nikunj Patel, MD
• Shereen Mohamed Nour, MD

All internal medicine doctors in Ypsilanti →

Other clinicians in Iha Health Services Corporation

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

• David S. French, MD
• Simran K. Labana
• Kayla Schuelke
• Brianne Barrett, NP
• Lisa R. Jeffries, MD
• Madeline McBride

Clinician information

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