Jenna T. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Jenna T. 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. Test for allergy using allergenic extract (95004)1,940 services
2. Professional service for preparation and provision of 1 or more antigens (95165)1,146 services
3. Professional service for multiple injections of allergen (95117)511 services
4. Injection of drug or substance under skin or into muscle (96372)149 services
5. Test for allergy using allergenic extract injected into skin (95024)118 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 cholesterol73%
• High blood pressure54%
• Arthritis40%
• Asthma38%
• Osteoporosis31%
• Ischemic heart disease21%

Hospitals where Jenna T. Nguyen works

Medicare's Facility Affiliation Data lists Jenna T. 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.

• Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

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

• 1300 Crane StMenlo Park, CA 94025 (650) 498‑6500

Group practices

Medicare enrollment lists Jenna T. Nguyen as a member of this group (CMS data updated October 2, 2026).

• University Healthcare Alliance327 clinicians in the group

Specialties

• Allergy/Immunologyprimary

Find other Allergy/Immunology doctors in California →

Other allergist and immunologists in California

Clinicians with the same Medicare primary specialty in California — not a recommendation.

• Anna Postolova, MD
• Xiao C. Wan, MD
• Meghan F. Garcia, MD
• Flora A. Vardanian, MD
• Robert W. Ziering, MD
• Jacob Offenberger, MD
• Jason P. Wong, MD
• Edward K. Hu, MD

All allergist and immunologists in California →

Other clinicians in University Healthcare Alliance

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

• Kiara Swanier, PA
• Charlie Michaudet, MD
• Edward I. Chan, MD
• Meagan C. Pon, NP
• Jennifer J. Lin, MD
• Shefali Dham, 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