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LEWIS W. GUISS JR. MD
NPI 1629145636
Internal Medicine in Los Angeles, CA

Active since November 29, 2006
6041 CADILLAC AVE, LOS ANGELES, CA 90034(323) 857-2000 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Lewis W. Guiss Jr. Md NPPES

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

LEWIS W. GUISS JR. MD (NPI 1629145636) is an individual internal medicine provider in Los Angeles, California, licensed in California (G32716) and active in the NPI registry since November 2006.

NPPES Registry Identity

NPI1629145636
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLEWIS W. GUISS JR.Credential: MD
Location Address6041 CADILLAC AVELos Angeles, CA 90034-1702
Mailing Address393 E Walnut St, 3rd Floor Phr SystemsPasadena, CA 91188-0001 · (626) 405-3640 · Fax (626) 405-6768
Phone(323) 857-2000
Sole ProprietorNo
Enumeration DateNovember 29, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1629145636 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 · G32716
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.
6041 CADILLAC AVE, Los Angeles, CA 90034
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Other Identifiers 2

Medicare UPINA45260
Medicaid00G327160CA

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.

BENJAMIN M KALKIN SP
Speech-Language Pathologist
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
JACQUELINE A RICE CNM
Advanced Practice Midwife
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
DR. LINDA FONG M.D.
Internal Medicine (Cardiovascular Disease)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3290
LINDA HAN PHARM.D.
Pharmacist
6041 CADILLAC AVE, KAISER WEST LOS ANGELES MEDICAL CENTER
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3989
BRYAN HERNANDEZ MD
Internal Medicine
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (310) 666-6055
ALLAN CHEN MD
Internal Medicine
6041 CADILLAC AVE, INTERNAL MEDICINE MODULE 2D
LOS ANGELES, CA 90034
Los Angeles County (323) 857-3303
JOSEPHINE JUI-YU CHIU MD
Internal Medicine (Nephrology)
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000
LICERIO V. CASTRO JR. MD
Anesthesiology
6041 CADILLAC AVE
LOS ANGELES, CA 90034
Los Angeles County (323) 857-2000

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 Lewis Guiss Jr.'s NPI number?

The NPI number for Lewis Guiss Jr. is 1629145636. It was assigned to this individual provider in the NPPES registry on November 29, 2006.

Where is Lewis Guiss Jr. located?

Lewis Guiss Jr. practices at 6041 Cadillac Ave, Los Angeles, CA 90034. The listed phone number is (323) 857-2000.

What is Lewis Guiss Jr.'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 Lewis Guiss Jr. was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.