Jeremy D. Lam, MD

Medicare activity in 2024

Official CMS public-use data for Jeremy D. Lam, 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)6,343 services
2. Injection of additional new drug or substance into vein (96375)1,157 services
3. Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less (96365)861 services
4. Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less (96367)696 services
5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)463 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%
• High blood pressure59%
• Arthritis41%
• Anxiety26%
• Ischemic heart disease25%
• Osteoporosis21%

Hospitals where Jeremy D. Lam works

Medicare's Facility Affiliation Data lists Jeremy D. Lam 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

Practice locations

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

• 2492 Walnut Ave, Suite 100Tustin, CA 92780

Specialties

• Internal Medicineprimary

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Tustin

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

• Jaya A. George, MD
• Suresh Veeramachaneni, MD
• Catherine C. Sherman, DO
• Ashley E. Mires, MD
• Derek S. Moriyama, MD
• Neil D. Patel, MD
• Bonnie Connolly, MD
• James A. Sharkoff, MD

All internal medicine doctors in Tustin →

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