Diana L. Dillman, DO

Medicare activity in 2024

Official CMS public-use data for Diana L. Dillman, 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 low level od decision making, if using time, 20 minutes or more (99213)104 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)71 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)37 services
4. Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit (G0438)15 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 cholesterol66%
• High blood pressure54%
• Arthritis39%
• Anxiety24%
• Chronic kidney disease20%
• Diabetes19%

Hospitals where Diana L. Dillman works

Medicare's Facility Affiliation Data lists Diana L. Dillman 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.

• University of Michigan Health - WestWyoming, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230236

Practice locations

Addresses where Diana L. Dillman is enrolled with Medicare (CMS data updated October 2, 2026).

• 7686 Georgetown Ctr DrJenison, MI 49428 (616) 252‑8600

Group practices

Medicare enrollment lists Diana L. Dillman as a member of this group (CMS data updated October 2, 2026).

• Metropolitan Hospital415 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in Michigan →

Other family doctors in Jenison

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

• Janine K. Van Noord, MD
• Karl O. Breitweiser, DO
• Caleb Walters, MD
• Emily Schipper, MD
• Matthew W. Medley, DO
• Peter S. Ritsema, MD
• Gregory J. Vanwienen, MD

All family doctors in Jenison →

Other clinicians in Metropolitan Hospital

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

• Gabriel Pedraza, MD
• Lucan W. Chatterley, DO
• Kyle Josephson, MD
• Sandy L. Stauffer, PA
• Judith A. Florido, DO
• Kimberly A. Boes

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