Marilena Oravitan, MD

Medicare activity in 2024

Official CMS public-use data for Marilena Oravitan, 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)183 services
2. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)75 services
3. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)32 services
4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)21 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%
• Arthritis48%
• Chronic kidney disease34%
• Anxiety28%
• Diabetes27%

Hospitals where Marilena Oravitan works

Medicare's Facility Affiliation Data lists Marilena Oravitan 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.

• Spectrum HealthGrand Rapids, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230038
• Trinity Health Grand Haven HospitalGrand Haven, MI · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 230174
• Trinity Health Muskegon HospitalMuskegon, MI · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 230066

Practice locations

Addresses where Marilena Oravitan is enrolled with Medicare (CMS data updated October 2, 2026).

• 2006 Holton RdMuskegon, MI 49445 (231) 672‑3333

Group practices

Medicare enrollment lists Marilena Oravitan as a member of this group (CMS data updated October 2, 2026).

• Mercy Physician Network112 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Michigan →

Other internal medicine doctors in Muskegon

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

• Karen L. Seaver, MD
• Hernan L. Lescay, MD
• Syed Bukhari, MD
• David R. Folkmier, DO
• Trevor J. Sherman
• Joan E. Nagelkirk, MD
• Daniela C. Pellegrini, MD
• Elizabeth J. Cleary, DO

All internal medicine doctors in Muskegon →

Other clinicians in Mercy Physician Network

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

• Sharlene Murphy, DO
• Dustin M. James, DO
• Megan B. Hayes
• Kristi J. Laninga, NP
• Chelsie R. Morris
• Shawn P. Reidy, MD

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