Linh D. Nguyen, MD

Medicare activity in 2024

Official CMS public-use data for Linh D. 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. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)87 services
2. Cervical or vaginal cancer screening; pelvic and clinical breast examination (G0101)82 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)74 services
4. Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)50 services
5. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)29 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 cholesterol75%
• Arthritis53%
• High blood pressure50%
• Osteoporosis28%
• Anxiety24%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)19%

Hospitals where Linh D. Nguyen works

Medicare's Facility Affiliation Data lists Linh D. 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.

• Hoag Memorial Hospital PresbyterianNewport Beach, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050224
• Memorialcare Long Beach Medical CenterLong Beach, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: not listed by Medicare · CCN 050485
• Memorialcare Orange Coast Medical CenterFountain Valley, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050678
• Memorialcare Saddleback Medical CenterLaguna Hills, CA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 050603

Practice locations

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

• 9940 Talbert Ave, Suite 303Fountain Valley, CA 92708 (714) 378‑5606

Specialties

• Obstetrics/Gynecologyprimary

Find other Obstetrics/Gynecology doctors in California →

Other OB-GYNs in Fountain Valley

Clinicians with the same Medicare primary specialty in Fountain Valley, CA — not a recommendation.

• William I. Han, MD
• Trisha Chaudhury, DO
• Caroline A. Conner, MD
• Lena B. Nguyen, DO
• Debora S. Sedaghat, DO
• Krystal H. Pham, MD
• Christina M. Borsari, MD
• Jeanne Nwagwu, DO

All OB-GYNs in Fountain Valley →

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