Joseph G. Timpone Jr., MD

Medicare activity in 2024

Official CMS public-use data for Joseph G. Timpone Jr., 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)104 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)69 services
3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)31 services
4. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)29 services
5. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)22 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%
• Chronic kidney disease75%
• High cholesterol72%
• Diabetes59%
• Ischemic heart disease41%
• Arthritis34%

Hospitals where Joseph G. Timpone Jr. works

Medicare's Facility Affiliation Data lists Joseph G. Timpone Jr. 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 Joseph G. Timpone Jr. is enrolled with Medicare (CMS data updated October 2, 2026).

• 1145 19th St NW, 311 Mmg at 19th Street NWWashington, DC 20036 (202) 429‑2401
• 3800 Reservoir Rd NWWashington, DC 20007

Group practices

Medicare enrollment lists Joseph G. Timpone Jr. as a member of this group (CMS data updated October 2, 2026).

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

Specialties

• Infectious Diseaseprimary
• Internal Medicinealso

Find other Infectious Disease doctors in District of Columbia →

Other infectious disease doctors in Washington

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

• Maria E. Ruiz, MD
• Huda I. Gasmelseed, MD
• Sarah N. Ali, MD
• Alexandra B. Yonts, MD
• Saumil Doshi, MD
• Oleksandr Semeniuk, MD
• David Lehman, MD
• Gayle Balba, MD

All infectious disease doctors in Washington →

Other clinicians in MedStar Medical Group II LLC

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

• Ron Waksman, MD
• Maria Eguiguren, MD
• Haaris Siddiq, MD
• Saad Al-Deen K. Mohammad, MD
• Tankala S. Gupta, MD
• Tsion Tewolde, 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