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SE-YOUNG LEE MD INC
NPI 1366837593
Internal Medicine in Garden Grove, CA

Active since April 03, 2015
12665 GARDEN GROVE BLVD STE 203, GARDEN GROVE, CA 92843(714) 468-5490 Get Directions Write a Review

NPPES record last updated: September 29, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 29, 2022, Aug 16, 2019 (2 updates tracked since 2019).

About Se-young Lee Md Inc NPPES

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

SE-YOUNG LEE MD INC (NPI 1366837593) is a healthcare organization registered as an internal medicine in Garden Grove, California and active in the NPI registry since April 2015. The organization lists Se-young Lee, President/md, as its authorized official.

NPPES Registry Identity

NPI1366837593
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameSE-YOUNG LEE MD INC
Location Address12665 GARDEN GROVE BLVD STE 203Garden Grove, CA 92843-1916
Mailing AddressPo Box 2556Garden Grove, CA 92842-2556 · (714) 531-8711 · Fax (714) 531-2330
Phone(714) 468-5490
Organization SubpartNo
Authorized OfficialSe-young LeePresident/md · (714) 531-8711
Enumeration DateApril 3, 2015
Last NPPES UpdateSeptember 29, 20222 updates tracked since enumeration
NPPES CertifiedSeptember 29, 2022
✔ NPI 1366837593 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
12665 GARDEN GROVE BLVD STE 203, Garden Grove, CA 92843
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Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Se-young Lee Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Se-Young Lee MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Se-Young Lee, M.D.
Internal Medicine
NPI 1144336967
12665 GARDEN GROVE BLVD STE 203
Garden Grove, CA 92843
(714) 468-5490
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Se-Young Lee MD Inc's NPI number?

The NPI number for Se-Young Lee MD Inc is 1366837593. It was assigned to this organization in the NPPES registry on April 3, 2015.

Where is Se-Young Lee MD Inc located?

Se-Young Lee MD Inc is located at 12665 Garden Grove Blvd Ste 203, Garden Grove, CA 92843. The listed phone number is (714) 468-5490.

What is Se-Young Lee MD Inc's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Se-Young Lee MD Inc enrolled in Medicare?

Yes. Se-Young Lee MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Se-Young Lee MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Se-Young Lee MD Inc. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Se-Young Lee MD Inc was last updated on September 29, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.