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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

HYUNJU LEE MD A PROFESSIONAL CORPORATION
NPI 1245103126
Internal Medicine - Endocrinology, Diabetes & Metabolism in La Palma, CA

Active since September 26, 2025
7851 WALKER ST STE 102, LA PALMA, CA 90623(714) 422-0440(714) 494-4210 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 10, 2026, May 7, 2026, Feb 5, 2026 and 1 more (4 updates tracked since 2025).

About Hyunju Lee Md A Professional Corporation NPPES

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

HYUNJU LEE MD A PROFESSIONAL CORPORATION (NPI 1245103126) is a healthcare organization registered as an endocrinology, diabetes & metabolism in La Palma, California and active in the NPI registry since September 2025. The organization maintains a secondary practice location in Garden Grove and lists Hyunju Lee, Physician, as its authorized official.

NPPES Registry Identity

NPI1245103126
Entity TypeOrganization
Primary Taxonomy207RE0101X
Legal Business NameHYUNJU LEE MD A PROFESSIONAL CORPORATION
Location Address7851 WALKER ST STE 102La Palma, CA 90623-1734
Mailing Address12372 Garden Grove Blvd Ste BGarden Grove, CA 92843-1805 · (714) 583-8569 · Fax (714) 661-5371
Phone(714) 422-0440
Fax(714) 494-4210
Organization SubpartNo
Authorized OfficialHyunju LeePhysician · (714) 583-8569
Enumeration DateSeptember 26, 2025
Last NPPES UpdateJuly 10, 20264 updates tracked since enumeration
NPPES CertifiedJuly 10, 2026
✔ NPI 1245103126 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Endocrinology, Diabetes & MetabolismAllopathic & Osteopathic Physicians
Taxonomy Code207RE0101X
Definition
An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
Also ListedInternal MedicineTaxonomy 207R00000X
7851 WALKER ST STE 102, La Palma, CA 90623
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Secondary Practice Location 1

Location 112372 Garden Grove Blvd Ste BGarden Grove, CA 92843-1805 · Phone (714) 583-8569 · Fax (714) 661-5371

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

Other Providers at the Same Location NPPES 2

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

LOTUS RX PHARMACY, INC.
Pharmacy (Community/Retail Pharmacy)
7851 WALKER ST STE 102
LA PALMA, CA 90623
Orange County (714) 735-8859
LA PALMA URGENT & FAMILY CARE INC.
Clinic/Center (Primary Care)
7851 WALKER ST STE 102
LA PALMA, CA 90623
Orange County (714) 994-2273

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 Hyunju Lee MD A Professional Corporation's NPI number?

The NPI number for Hyunju Lee MD A Professional Corporation is 1245103126. It was assigned to this organization in the NPPES registry on September 26, 2025.

Where is Hyunju Lee MD A Professional Corporation located?

Hyunju Lee MD A Professional Corporation is located at 7851 Walker St Ste 102, La Palma, CA 90623. The listed phone number is (714) 422-0440.

What is Hyunju Lee MD A Professional Corporation's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Endocrinology, Diabetes & Metabolism, with taxonomy code 207RE0101X.

When was this NPI record last updated?

The NPPES record for Hyunju Lee MD A Professional Corporation was last updated on July 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 26 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.