Yoseob J. Hwang, MD

Medicare activity in 2024

Official CMS public-use data for Yoseob J. Hwang, 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)41 services
2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)41 services
3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)35 services
4. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)19 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%
• Arthritis49%
• Ischemic heart disease46%
• Diabetes32%
• Anxiety32%

Hospitals where Yoseob J. Hwang works

Medicare's Facility Affiliation Data lists Yoseob J. Hwang 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.

• The Johns Hopkins HospitalBaltimore, MD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 210009

Practice locations

Addresses where Yoseob J. Hwang is enrolled with Medicare (CMS data updated October 2, 2026).

• 5601 Lloch Raven BlvdBaltimore, MD 21239 (443) 444‑4714
• 600 N Wolf StBaltimore, MD 21287 (410) 955‑5000
• 600 N Wolfe St, Blalock 266Baltimore, MD 21287 (410) 502‑4340

Group practices

Medicare enrollment lists Yoseob J. Hwang as a member of these groups (CMS data updated October 2, 2026).

• Johns Hopkins University2,909 clinicians in the group
• Johns Hopkins University713 clinicians in the group

Specialties

• Hospitalistprimary
• Internal Medicinealso

Find other Hospitalist doctors in Maryland →

Other hospitalists in Baltimore

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

• Ramya Vasireddy
• Retha Goodglick, MD
• Angelita Estadilla, MD
• Ajaya Sharma, MD
• Spencer R. Alaee, MD
• Essa Hariri, MD
• Abdul Basit Nizamani, MD
• Joseph K. Awotwi, MD

All hospitalists in Baltimore →

Other clinicians in Johns Hopkins University

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

• Yonatan N. Yohannes, MD
• Alison S. Buchholz, CP
• Jason Zhao, MD
• Solmaz Sahebjam, MD
• Hugh Dainer, MD
• Stephanie Nothelle, 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