Kathleen Abalos, MD

Medicare activity in 2024

Official CMS public-use data for Kathleen Abalos, 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. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)634 services
2. Hospital discharge day management, more than 30 minutes (99239)85 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)56 services
4. Advance care planning, first 30 minutes (99497)25 services
5. Critical care, first 30-74 minutes (99291)23 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%
• Arthritis65%
• Diabetes55%
• Ischemic heart disease53%
• Chronic kidney disease51%

Hospitals where Kathleen Abalos works

Medicare's Facility Affiliation Data lists Kathleen Abalos 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

Practice locations

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

• 3800 Reservoir Rd NWWashington, DC 20007 (202) 444‑2000

Group practices

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

• MedStar Medical Group II LLC3,767 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in District of Columbia →

Other internal medicine doctors in Washington

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

• Daniel J. Wallach, MD
• Joy Onaghise, MD
• Syed Rameez Jafri, MD
• Debi Yang, MD
• Samson Garedew, MD
• Michael J. Grady, MD
• Ann Marie Gordon, MD
• Haroon Rashid, MD

All internal medicine doctors in Washington →

Other clinicians in MedStar Medical Group II LLC

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

• Shawn Tejiram, MD
• Karolina Lapinska, AA
• Alyssa N. Bialek, PA
• Wai M. Sin, NP
• Gregory Ginsburg, MD
• Tyler Schwab, PA

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