Marlana Ottinger, MD

Medicare activity in 2024

Official CMS public-use data for Marlana Ottinger, 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. Ct guidance for insertion of radiation therapy fields (77014)261 services
2. Radiation treatment management, 5 treatment sessions (77427)81 services
3. Calculation of radiation therapy dose (77300)52 services
4. Design and construction of complex radiation treatment device (77334)50 services
5. Obtaining data needed to develop the optimal radiation treatment, 1 treatment area (77280)30 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%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%
• Arthritis45%
• Diabetes35%
• Ischemic heart disease35%

Hospitals where Marlana Ottinger works

Medicare's Facility Affiliation Data lists Marlana Ottinger 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.

• Chester County HospitalWest Chester, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390179
• Hospital of University of PennsylvaniaPhiladelphia, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390111

Practice locations

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

• 701 E Marshall StWest Chester, PA 19380 (610) 431‑5530

Group practices

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

• University of Penn - Medical Group3,505 clinicians in the group

Specialties

• Radiation Oncologyprimary

Find other Radiation Oncology doctors in Pennsylvania →

Other radiation oncologists in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

• Zachary A. Kiss, DO
• Casey L. Hollawell, MD
• Ahmad R. Rahman, MD
• Et-Tsu Chen, MD
• David F. Cousins, MD
• Leonard C. Tuanquin, MD
• Sherif F. Yacoub, MD
• Darlene Gabeau, MD

All radiation oncologists in Pennsylvania →

Other clinicians in University of Penn - Medical Group

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

• Benjamin E. Goldsmith, MD
• Joseph L. Young, MD
• Mark J. Simone-Skdimore, MD
• Bryan Flores, MD
• Noelle V. Frey, MD
• Timothy Dillingham, 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