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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SEAN LUONG MD
NPI 1265231443
General Practice in Oceanside, CA

Active since March 11, 2025
200 MERCY CIRCLE, OCEANSIDE, CA 92055(760) 725-4357 Get Directions Write a Review

NPPES record last updated: July 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 14, 2026, Jul 8, 2025, Mar 11, 2025 (3 updates tracked since 2025).

About Sean Luong Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SEAN LUONG MD (NPI 1265231443) is an individual general practice provider in Oceanside, California, licensed in Colorado (DR.0078092) and active in the NPI registry since March 2025.

NPPES Registry Identity

NPI1265231443
Entity TypeIndividualMale
Primary Taxonomy208D00000X
Provider Legal NameSEAN LUONGCredential: MD
Location Address200 MERCY CIRCLEOceanside, CA 92055
Mailing Address200 Mercy CircleOceanside, CA 92055 · (760) 725-4357
Phone(760) 725-4357
Sole ProprietorNo
Enumeration DateMarch 11, 2025
Last NPPES UpdateJuly 14, 20263 updates tracked since enumeration
NPPES CertifiedJuly 14, 2026
✔ NPI 1265231443 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyGeneral PracticeAllopathic & Osteopathic Physicians
Taxonomy Code208D00000X
License✔ Licensed in CO · DR.0078092
Definition
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions. Source: National Uniform Claim Committee
200 MERCY CIRCLE, Oceanside, CA 92055
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MARIA J HERRERA PH.D.
Psychologist (Clinical)
200 MERCY CIRCLE
OCEANSIDE, CA 92055
San Diego County (510) 542-0859
SHERRI MARTINEZ LMFT, ADCII
Counselor (Addiction (Substance Use Disorder))
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
San Diego County (760) 725-0063
DR. ASHLEY BITTLE LCSW, PSY.D.
Psychologist (Clinical)
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
San Diego County (760) 719-3322
MISS KELLY CAROL PENG D.O
Military Health Care Provider
200 MERCY CIRCLE, EMERGENCY MEDICINE DEPARTMENT
OCEANSIDE, CA 92055
San Diego County (760) 719-3994
CAROLYN STEINLAGE DPT
Physical Therapist
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
San Diego County (760) 719-3791
SHANE MCGUIRE FMF RECON IDC
Military Health Care Provider (Independent Duty Corpsman)
200 MERCY CIRCLE
OCEANSIDE, CA 92055
San Diego County (760) 725-8912
MELINDA WEE FAH MARTINEZ PA
Physician Assistant
200 MERCY CIRCLE
CAMP PENDLETON, CA 92055
San Diego County (760) 719-4550
ALEXANDER JEFFREY NELSON PA-C
Physician Assistant
200 MERCY CIRCLE
OCEANSIDE, CA 92055
San Diego County (760) 725-1288

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sean Luong's NPI number?

The NPI number for Sean Luong is 1265231443. It was assigned to this individual provider in the NPPES registry on March 11, 2025.

Where is Sean Luong located?

Sean Luong practices at 200 Mercy Circle, Oceanside, CA 92055. The listed phone number is (760) 725-4357.

What is Sean Luong's specialty?

The primary specialty registered for this NPI is General Practice with taxonomy code 208D00000X.

When was this NPI record last updated?

The NPPES record for Sean Luong was last updated on July 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 25 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.