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HAROLD M LIN M.D.
NPI 1467472472
Internal Medicine in Los Alamitos, CA

Active since July 20, 2006
3791 KATELLA AVE, SUITE 105, LOS ALAMITOS, CA 90720(562) 594-6693(562) 596-9703 Get Directions Write a Review

NPPES record last updated: February 28, 2008. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Harold M Lin M.d. NPPES

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

HAROLD M LIN M.D. (NPI 1467472472) is an individual internal medicine provider in Los Alamitos, California, licensed in California (A29948) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1467472472
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameHAROLD M LINCredential: M.D.
Location Address3791 KATELLA AVE, SUITE 105Los Alamitos, CA 90720-2000
Mailing Address3791 Katella Ave, Suite 105Los Alamitos, CA 90720-2000 · (562) 594-6693 · Fax (562) 596-9703
Phone(562) 594-6693
Fax(562) 596-9703
Sole ProprietorYes
Enumeration DateJuly 20, 2006
Last NPPES UpdateFebruary 28, 2008
✔ NPI 1467472472 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A29948
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.
3791 KATELLA AVE, Los Alamitos, CA 90720
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Other Identifiers 3

Medicare PINA29948CA
Medicare UPINA25921CA
Medicaid00A299480CA

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.

DR. KY TRAN M.D.
Internal Medicine
3791 KATELLA AVE, STE 104
LOS ALAMITOS, CA 90720
Orange County (562) 430-1235
MR. GRANT G. SARKISYAN M.D.
Surgery
3791 KATELLA AVE, #201 VASCULAR & GENERAL SURGERY ASSOC.
LOS ALAMITOS, CA 90720
Orange County (562) 596-6736
DR. OMID OMIDVAR M.D.
Psychiatry & Neurology (Neurology)
3791 KATELLA AVE, SUITE 106
LOS ALAMITOS, CA 90720
Orange County (562) 430-3114
CHINENYE EGWUONWU NP
Nurse Practitioner (Obstetrics & Gynecology)
3791 KATELLA AVE, STE. 108
LOS ALAMITOS, CA 90720
Orange County (562) 431-3521
DR. LAWRENCE GRANT WALDROP M.D.
Specialist
3791 KATELLA AVE, SUITE 104
LOS ALAMITOS, CA 90720
Orange County (562) 493-6461
HAROLD M LIN MD A MEDICAL CORPORATION
Internal Medicine
3791 KATELLA AVE, SUITE105
LOS ALAMITOS, CA 90720
Orange County (562) 594-6693
NICOLAS DIKIO MD INC
Obstetrics & Gynecology
3791 KATELLA AVE, STE 209
LOS ALAMITOS, CA 90720
Orange County (562) 594-0806
DR. RUBEN BAGHDASSARIAN M.D.
Urology
3791 KATELLA AVE, SUITE 200
LOS ALAMITOS, CA 90720
Orange County (562) 598-6166

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 Harold Lin's NPI number?

The NPI number for Harold Lin is 1467472472. It was assigned to this individual provider in the NPPES registry on July 20, 2006.

Where is Harold Lin located?

Harold Lin practices at 3791 Katella Ave Suite 105, Los Alamitos, CA 90720. The listed phone number is (562) 594-6693.

What is Harold Lin's specialty?

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

When was this NPI record last updated?

The NPPES record for Harold Lin was last updated on February 28, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.