Martin D. Ollenschleger, MD

Medicare activity in 2024

Official CMS public-use data for Martin D. Ollenschleger, 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)32 services
2. Insertion of tube into internal neck artery for diagnosis or treatment with review by radiologist (36224)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 pressure75%
• High cholesterol75%
• Stroke or mini-stroke42%
• Arthritis38%
• Ischemic heart disease31%
• Anxiety29%

Hospitals where Martin D. Ollenschleger works

Medicare's Facility Affiliation Data lists Martin D. Ollenschleger 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.

• Hartford HospitalHartford, CT · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 070025

Practice locations

Addresses where Martin D. Ollenschleger is enrolled with Medicare (CMS data updated October 2, 2026).

• 80 Seymour StHartford, CT 06102
• 85 Seymour StHartford, CT 06106 (860) 545‑5107
• 85 Seymour St, Suite 200Hartford, CT 06106 (860) 289‑3375

Group practices

Medicare enrollment lists Martin D. Ollenschleger as a member of these groups (CMS data updated October 2, 2026).

• Hartford Hospital1,044 clinicians in the group
• Jefferson Radiology PC114 clinicians in the group

Specialties

• Interventional Radiologyprimary
• Diagnostic Radiologyalso
• Neurologyalso

Find other Interventional Radiology doctors in Connecticut →

Other interventional radiologists in Connecticut

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

• Sidney L. Kahn Iv, MD
• Sumeet Bahl, MD
• Lena S. Becker, MD
• Dietrich W. Schultze, MD
• Evan W. Harris, MD
• Darryl Zuckerman, MD
• Denzil Douglas, MD
• Joseph Gotesman, MD

All interventional radiologists in Connecticut →

Other clinicians in Hartford Hospital

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

• Kelly Maloney
• Katharine N. Woods, DO
• Kristen Y. Vo, CSW
• Kelly M. Williams, CSW
• Akshay Patel, DO
• Shishir Mathur, 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