John F. Lalonde, DO

Medicare activity in 2024

Official CMS public-use data for John F. Lalonde, 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)252 services
2. Insertion of needle into vein for collection of blood sample (36415)152 services
3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)90 services
4. Advance care planning, first 30 minutes (99497)64 services
5. Injection of drug or substance under skin or into muscle (96372)48 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 cholesterol71%
• High blood pressure60%
• Arthritis41%
• Diabetes17%
• Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)15%
• Ischemic heart disease14%

Hospitals where John F. Lalonde works

Medicare's Facility Affiliation Data lists John F. Lalonde 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 John F. Lalonde is enrolled with Medicare (CMS data updated October 2, 2026).

• 2216 Newport BlvdCosta Mesa, CA 92627 (949) 631‑9009

Group practices

Medicare enrollment lists John F. Lalonde as a member of this group (CMS data updated October 2, 2026).

• John F Lalonde D O Inc4 clinicians in the group

Specialties

• Family Practiceprimary

Find other Family Practice doctors in California →

Other family doctors in Costa Mesa

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

• Rachit R. Doshi
• Mary Y. Moon, MD
• Thao M. Phan, MD
• Adriana Aguilera, DO
• David K. Chun, MD
• Megha S. Chavan, MD
• Thuy A. Nguyen, DO
• Trevor Tsay, MD

All family doctors in Costa Mesa →

Other clinicians in John F Lalonde D O Inc

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

• Nicholas J. Huey, PA
• Kristina Burger, DO
• Raelyn R. Fournier

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