SCOTT O. MARNOY MD
NPI 1104985779
Internal Medicine - Gastroenterology in Fontana, CA

Q: What is Scott Marnoy's NPI number?

The NPI number for Scott Marnoy is 1104985779. It was assigned to this individual provider in the NPPES registry on December 8, 2006.

Q: What is Scott Marnoy's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Scott Marnoy was last updated on September 23, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.

Active since December 08, 2006

9961 SIERRA AVE, FONTANA, CA 92335(909) 427-3910 Get Directions Write a Review

NPPES record last updated: September 23, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Scott O. Marnoy Md NPPES

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

SCOTT O. MARNOY MD (NPI 1104985779) is an individual gastroenterology provider in Fontana, California, licensed in California (G53811) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1104985779

Entity TypeIndividualMale

Primary Taxonomy207RG0100X

Provider Legal NameSCOTT O. MARNOYCredential: MD

Location Address9961 SIERRA AVEFontana, CA 92335-6720

Mailing Address9961 Sierra AveFontana, CA 92335-6720 · (909) 427-3910

Phone(909) 427-3910

Sole ProprietorNo

Enumeration DateDecember 8, 2006

Last NPPES UpdateSeptember 23, 2008

✔ NPI 1104985779 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 · G53811

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.

9961 SIERRA AVE, Fontana, CA 92335

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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.

SHEILA ANN VANALLEN PT

Physical Therapist

9961 SIERRA AVE, BUILDING 3A
FONTANA, CA 92335

San Bernardino County (909) 427-7727

MR. JAMES DAVID KILLEEN III M.D.

Pediatrics

9961 SIERRA AVE, KAISER PERMANENTE FONTANA - PEDIATRICS
FONTANA, CA 92335

San Bernardino County (909) 427-6960

MR. DHIRESH N PATEL RPH

Pharmacist