1. Home
  2. Directory
  3. California
  4. Fullerton
  5. Internal Medicine
  6. NPI Profile

JOHN K. LEE, M.D., INC.
NPI 1619028131
Internal Medicine - Geriatric Medicine in Fullerton, CA

Active since January 12, 2007CLIA 05D2001815 · Waiver
400 N EUCLID ST, FULLERTON, CA 92832(714) 879-8700(714) 879-1700 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 22, 2020, Jun 21, 2018 (2 updates tracked since 2018).

About John K. Lee, M.d., Inc. NPPES

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

JOHN K. LEE, M.D., INC. (NPI 1619028131) is a healthcare organization registered as a geriatric medicine in Fullerton, California and active in the NPI registry since January 2007. The organization holds a CLIA Waiver certificate valid through December 30, 2027 and lists John K Lee, President, as its authorized official.

NPPES Registry Identity

NPI1619028131
Entity TypeOrganization
Primary Taxonomy207RG0300X
Legal Business NameJOHN K. LEE, M.D., INC.
Location Address400 N EUCLID STFullerton, CA 92832-1625
Mailing Address400 N Euclid StFullerton, CA 92832-1625 · (714) 879-8700 · Fax (714) 879-1700
Phone(714) 879-8700
Fax(714) 879-1700
Organization SubpartNo
Authorized OfficialJohn K LeePresident · (714) 879-8700
Enumeration DateJanuary 12, 2007
Last NPPES UpdateAugust 22, 20202 updates tracked since enumeration
✔ NPI 1619028131 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Geriatric MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RG0300X
Definition
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.
400 N EUCLID ST, Fullerton, CA 92832
Open in Google Maps ↗

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D2001815

John K Lee MD Inc · Fullerton, CA
Active · expires Dec 30, 2027
CLIA Number05D2001815
Laboratory TypePhysician Office
Certificate Effective DateDecember 31, 2025
Certificate Expiration DateDecember 30, 2027
Laboratory DirectorJohn K. Lee
Laboratory Phone(714) 879-8700
Laboratory LocationJohn K Lee MD Inc400 N Euclid St, Fullerton, CA 92832
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

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 John K. Lee, M.D., Inc.'s NPI number?

The NPI number for John K. Lee, M.D., Inc. is 1619028131. It was assigned to this organization in the NPPES registry on January 12, 2007.

Where is John K. Lee, M.D., Inc. located?

John K. Lee, M.D., Inc. is located at 400 N Euclid St, Fullerton, CA 92832. The listed phone number is (714) 879-8700.

What is John K. Lee, M.D., Inc.'s specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Geriatric Medicine, with taxonomy code 207RG0300X.

Does John K. Lee, M.D., Inc. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2001815) is associated with this NPI, valid through December 30, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for John K. Lee, M.D., Inc. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.