Danielle O. Demulder, MD

Medicare activity in 2024

Official CMS public-use data for Danielle O. Demulder, 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. Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (Q9967)5,905 services
2. Injection, gadoterate meglumine, 0.1 ml (A9575)5,450 services
3. Ct scan of abdomen and pelvis with contrast (74177)232 services
4. Ct scan of chest with contrast (71260)134 services
5. X-ray of abdomen, 1 view (74018)120 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%
• Arthritis54%
• Diabetes39%
• Ischemic heart disease39%
• Chronic kidney disease38%

Hospitals where Danielle O. Demulder works

Medicare's Facility Affiliation Data lists Danielle O. Demulder 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.

• MedStar Georgetown University HospitalWashington, DC · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 090004
• MedStar Montgomery Medical CenterOlney, MD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 210018

Practice locations

Addresses where Danielle O. Demulder is enrolled with Medicare (CMS data updated October 2, 2026).

• 1120 20th St NWWashington, DC 20036 (202) 748‑8830
• 1145 19th St NW, 700 Mmg at 19th StWashington, DC 20036 (202) 223‑5333
• 12 Medstar BlvdBel Air, MD 21015 (443) 625‑5430
• 24035 Three Notch RdHollywood, MD 20636 (301) 373‑7900

Group practices

Medicare enrollment lists Danielle O. Demulder as a member of these groups (CMS data updated October 2, 2026).

• MedStar Medical Group II LLC3,767 clinicians in the group
• MedStar Medical Group - Southern Maryland LLC245 clinicians in the group
• Physician Imaging of Washington Hospital Center LLC104 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in District of Columbia →

Other radiologists in Washington

Clinicians with the same Medicare primary specialty in Washington, DC — not a recommendation.

• Mohammed R. Taheri, MD
• Samuel M. Knecht, MD
• Michael McCullough, MD
• Michael Ching, MD
• Rafi Raza, MD
• Mohammad Naseem, MD
• Arash R. Zandieh, MD
• John Cardella, MD

All radiologists in Washington →

Other clinicians in MedStar Medical Group II LLC

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

• Lera Ison, NP
• Bamoyo Nkongolo, PA
• Kanya Nesbeth, MD
• Nikki E. Harris, DO
• Megan Zemrose, PA
• Shakeya Turk, NP

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