Matilda N. Hagan, MD

Medicare activity in 2024

Official CMS public-use data for Matilda N. Hagan, 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)160 services
2. Removal of polyps or growths of large bowel using an endoscope with mechanical snare (45385)99 services
3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)95 services
4. Biopsy of large bowel using a flexible endoscope (45380)92 services
5. Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (43239)52 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 pressure74%
• High cholesterol73%
• Arthritis47%
• Diabetes30%
• Anxiety28%
• Depression26%

Hospitals where Matilda N. Hagan works

Medicare's Facility Affiliation Data lists Matilda N. Hagan 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.

• Mercy Medical Center IncBaltimore, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210008

Practice locations

Addresses where Matilda N. Hagan is enrolled with Medicare (CMS data updated October 2, 2026).

• 1734 York RdLutherville, MD 21093 (410) 494‑9099
• 301 Saint Paul StBaltimore, MD 21202

Group practices

Medicare enrollment lists Matilda N. Hagan as a member of these groups (CMS data updated October 2, 2026).

• St Paul Place Specialists, Inc.336 clinicians in the group
• Lutherville Hematology and Oncology Services19 clinicians in the group

Specialties

• Gastroenterologyprimary

Find other Gastroenterology doctors in Maryland →

Other gastroenterologists in Lutherville

Clinicians with the same Medicare primary specialty in Lutherville, MD — not a recommendation.

• Zara Manuelyan, MD
• Saowanee Ngamruengphong, MD
• Tinsay A. Woreta, MD
• Tsion Abdi, MD
• Hazel Veloso, MD
• Po-Hung Chen, MD
• Lawrence Cheskin, MD
• Maaza S. Abdi, MD

All gastroenterologists in Lutherville →

Other clinicians in St Paul Place Specialists, Inc.

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

• Kelly L. Alexander, MD
• Alyssa R. Stehman, PA
• Lauren Bonsal, PA
• Richard M. Ellerkmann, MD
• Douglas Buethe, MD
• Evelyn A. May Gonzalez, 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