Kim-Ngan Fellman, MD

Medicare activity in 2024

Official CMS public-use data for Kim-Ngan Fellman, 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 35 minutes (99232)363 services
2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)323 services
3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)135 services
4. Hospital discharge day management, more than 30 minutes (99239)121 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)48 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%
• Arthritis70%
• Anxiety44%
• Ischemic heart disease41%
• Depression36%

Hospitals where Kim-Ngan Fellman works

Medicare's Facility Affiliation Data lists Kim-Ngan Fellman 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.

• Medical City Dallas HospitalDallas, TX · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 450647

Practice locations

Addresses where Kim-Ngan Fellman is enrolled with Medicare (CMS data updated October 2, 2026).

• 331 Melrose Dr, Suite 220Richardson, TX 75080 (469) 828‑1903
• 7777 Forest LnDallas, TX 75230 (469) 828‑1903

Group practices

Medicare enrollment lists Kim-Ngan Fellman as a member of this group (CMS data updated October 2, 2026).

• Hospitalist Internists Associates, PLLC12 clinicians in the group

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Richardson

Clinicians with the same Medicare primary specialty in Richardson, TX — not a recommendation.

• Woan Sang Kim, DO
• Nghi B. Phan, MD
• Sita M. Boppana, MD
• James T. Rester, MD
• Kevin Y. Kim, MD
• Srinivasan Rajaganapathy, MD
• Sam S. Abraham, MD
• Heidi-Anne M. Hanson, MD

All internal medicine doctors in Richardson →

Other clinicians in Hospitalist Internists Associates, PLLC

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

• Woan Sang Kim, DO
• Amolak Sandhu, MD
• Swathi R. Bayya, MD
• Heidi-Anne M. Hanson, MD
• David M. Rosenstein, MD
• Carl L. Russell, 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