Hilary Newgen, MD

Medicare activity in 2024

Official CMS public-use data for Hilary Newgen, 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)16 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 cholesterol66%
• Diabetes40%
• Arthritis40%
• Chronic kidney disease34%
• Alzheimer's disease or dementia34%

Hospitals where Hilary Newgen works

Medicare's Facility Affiliation Data lists Hilary Newgen 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.

• Virginia Hospital CenterArlington, VA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 490050

Practice locations

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

• 1221 Mercantile LnLargo, MD 20774 (301) 618‑5700
• 8008 Westpark DrMc Lean, VA 22102 (703) 287‑6400

Group practices

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

• Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

• Neurologyprimary

Find other Neurology doctors in Maryland →

Other neurologists in Largo

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

• Shirley Ju, MD
• Ifeoma Nwaneri, MD
• Neda Najimi, MD
• Natalia Llanes Aaron, MD
• Kyle Tse, MD
• Harman P. Bajwa, MD

All neurologists in Largo →

Other clinicians in Kaiser Foundation Health Plan of the Mid Atlantic States, Inc

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

• Christie Youssef, DO
• S. Julie-Ann Lloyd, MD
• Caitlyn De Kanter, DO
• Mitzy Attokaren, OD
• Jenaro J. Hernandez, DO
• Sonia Kannadan, 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