Diep Nguyen, DO

Medicare activity in 2024

Official CMS public-use data for Diep Nguyen, 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. Injection, denosumab, 1 mg (J0897)1,800 services
2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)445 services
3. Continuous monitoring of blood sugar level in tissue fluid using sensor under skin with interpretation and report (95251)115 services
4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)90 services
5. 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)78 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%
• Arthritis55%
• Diabetes54%
• Chronic kidney disease42%
• Osteoporosis39%

Hospitals where Diep Nguyen works

Medicare's Facility Affiliation Data lists Diep Nguyen 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.

• Lehigh Valley HospitalAllentown, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390133
• Lehigh Valley Hospital - PoconoEast Stroudsburg, PA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 390201
• St Lukes HospitalBethlehem, PA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 390049

Practice locations

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

• 2100 Mack Blvd, Fl 4Allentown, PA 18103
• 2100 Mack Blvd Fl, Suite 4Allentown, PA 18103

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in Pennsylvania →

Other internal medicine doctors in Allentown

Clinicians with the same Medicare primary specialty in Allentown, PA — not a recommendation.

• Ilias Almakaev, MD
• Pramila P. Gupta, MD
• Harvey J. Hakim, MD
• Cheryl A. Bloomfield, MD
• Daniel E. Benyo, MD
• Erandathi E. Rajasooriya, MD
• Brian Kramer, DO
• Jose E. Santiago Rivera, MD

All internal medicine doctors in Allentown →

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