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SAMUEL N MARCUS MD INC.
NPI 1053790691
Internal Medicine - Gastroenterology in Mountain View, CA

Active since May 28, 2015
2490 HOSPITAL DR, SUITE 211, MOUNTAIN VIEW, CA 94040(650) 988-7488(650) 988-7486 Get Directions Write a Review

NPPES record last updated: July 18, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Samuel N Marcus Md Inc. NPPES

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

SAMUEL N MARCUS MD INC. (NPI 1053790691) is a healthcare organization registered as a gastroenterology in Mountain View, California and active in the NPI registry since May 2015. The organization lists Sameul N Marcus, President, as its authorized official.

NPPES Registry Identity

NPI1053790691
Entity TypeOrganization
Primary Taxonomy207RG0100X
Legal Business NameSAMUEL N MARCUS MD INC.
Location Address2490 HOSPITAL DR, SUITE 211Mountain View, CA 94040-4122
Mailing Address2490 Hospital Dr, Suite 211Mountain View, CA 94040-4122 · (650) 988-7488 · Fax (650) 988-7486
Phone(650) 988-7488
Fax(650) 988-7486
Organization SubpartNo
Authorized OfficialSameul N MarcusPresident · (650) 988-7488
Enumeration DateMay 28, 2015
Last NPPES UpdateJuly 18, 2024
NPPES CertifiedJuly 18, 2024
✔ NPI 1053790691 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 · A50154
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.
2490 HOSPITAL DR, Mountain View, CA 94040
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Samuel N Marcus Md Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Samuel N Marcus MD Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Samuel Marcus, M.D.
Gastroenterology
NPI 1396717740
300 PASTEUR DR
Stanford, CA 94305
(650) 723-4000
✔ PECOS✔ Accepts Medicare6.8 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Samuel N Marcus MD Inc.'s NPI number?

The NPI number for Samuel N Marcus MD Inc. is 1053790691. It was assigned to this organization in the NPPES registry on May 28, 2015.

Where is Samuel N Marcus MD Inc. located?

Samuel N Marcus MD Inc. is located at 2490 Hospital Dr Suite 211, Mountain View, CA 94040. The listed phone number is (650) 988-7488.

What is Samuel N Marcus MD Inc.'s specialty?

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

Is Samuel N Marcus MD Inc. enrolled in Medicare?

Yes. Samuel N Marcus MD Inc. is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Samuel N Marcus MD Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Gastroenterology) reassigns their Medicare billing to Samuel N Marcus MD Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Samuel N Marcus MD Inc. was last updated on July 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.