JAY W MARKS MD
NPI 1003871914
Internal Medicine - Gastroenterology in Los Angeles, CA

Active since April 20, 2006
8635 W 3RD ST, SUITE #880, LOS ANGELES, CA 90048(323) 469-4499 Get Directions Write a Review

NPPES record last updated: February 4, 2013. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Jay W Marks Md NPPES

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

JAY W MARKS MD (NPI 1003871914) is an individual gastroenterology provider in Los Angeles, California, licensed in California (G21318) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1003871914
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameJAY W MARKSCredential: MD
Location Address8635 W 3RD ST, SUITE #880Los Angeles, CA 90048-6101
Mailing Address2521 Mt Beacon TerLos Angeles, CA 90068-2444 · (323) 469-4499
Sole ProprietorYes
Enumeration DateApril 20, 2006
Last NPPES UpdateFebruary 4, 2013
NPI 1003871914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in CA · G21318
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
8635 W 3RD ST, Los Angeles, CA 90048

Other Identifiers 5

Medicare ID-Type UnspecifiedWG21318C
Medicare ID-Type UnspecifiedWG21318B
Medicare UPINA90696
Medicare PINAY825ZCA
Medicaid00G213181CA

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.

Physical Therapist
8635 W 3RD ST, SUITE 465W
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, 890W
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, 450W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 460W
LOS ANGELES, CA 90048
Urology
8635 W 3RD ST, SUITE 1 WEST
LOS ANGELES, CA 90048
Surgery (Surgical Critical Care)
8635 W 3RD ST, SUITE 650W
LOS ANGELES, CA 90048
Specialist
8635 W 3RD ST, SUITE 890W
LOS ANGELES, CA 90048
Surgery (Surgery of the Hand)
8635 W 3RD ST
LOS ANGELES, CA 90048

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 Jay Marks's NPI number?

The NPI number for Jay Marks is 1003871914. It was assigned to this individual provider in the NPPES registry on April 20, 2006.

Where is Jay Marks located?

Jay Marks practices at 8635 W 3rd St Suite #880, Los Angeles, CA 90048. The listed phone number is (323) 469-4499.

What is Jay Marks's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Jay Marks was last updated on February 4, 2013. NPI Profile syncs with the weekly NPPES data releases published by CMS.