Mai Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Mai 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. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)47 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)37 services
3. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)21 services
4. Treatment of broken neck of thigh bone with bone implant (27245)14 services
5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)13 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%
• Osteoporosis58%
• Arthritis57%
• Ischemic heart disease37%
• Depression37%

Hospitals where Mai Nguyen works

Medicare's Facility Affiliation Data lists Mai 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.

• Regions HospitalSaint Paul, MN · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 240106

Practice locations

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

• 435 Phalen BlvdSaint Paul, MN 55130 (651) 291‑2848

Group practices

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

• Group Health Inc1,638 clinicians in the group

Specialties

• Orthopedic Surgeryprimary

Find other Orthopedic Surgery doctors in Minnesota →

Other orthopedic surgeons in Saint Paul

Clinicians with the same Medicare primary specialty in Saint Paul, MN — not a recommendation.

• Mohammad A. Syed, MD
• Robert D. Wojahn, MD
• Caroline H. Hu, MD
• Brent T. Warner, MD
• Deborah C. Bohn, MD
• Joseph H. Perra, MD
• Michael T. Healy, MD
• Andrew G. Georgiadis, MD

All orthopedic surgeons in Saint Paul →

Other clinicians in Group Health Inc

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

• Elliott Foss, PA
• Pamela R. Paulsen, MD
• Ashley L. Viere, PA
• Becky M. Philipsek, PA
• Rebecca A. Ludford
• Kelsey N. Carignan

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