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

NPI Status: Active since May 28, 2015

Contact Information

2490 HOSPITAL DR
SUITE 211
MOUNTAIN VIEW, CA
ZIP 94040
Phone: (650) 988-7488
Fax: (650) 988-7486

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  • Organization
  • Internal Medicine
  • Gastroenterology

About SAMUEL N MARCUS MD INC.

This page provides the complete NPI Profile along with additional information for Samuel N Marcus Md Inc., an internist established in Mountain View, California operating as a Internal Medicine, focusing in gastroenterology . The healthcare provider is registered in the NPI registry with number 1053790691 assigned on May 2015. The practitioner's primary taxonomy code is 207RG0100X with license number A50154 (CA). The provider is registered as an organization and their NPI record was last updated 2 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Sameul N Marcus Md (President)

NPI
1053790691
Provider Name
SAMUEL N MARCUS MD INC.
Entity Type
Organization
Location Address
2490 HOSPITAL DR SUITE 211 MOUNTAIN VIEW, CA 94040
Location Phone
(650) 988-7488
Location Fax
(650) 988-7486
Mailing Address
2490 HOSPITAL DR SUITE 211 MOUNTAIN VIEW, CA 94040
Mailing Phone
(650) 988-7488
Mailing Fax
(650) 988-7486
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
05-28-2015
Last Update Date
07-18-2024
Code Navigator

An internist like Samuel N Marcus Md Inc. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Gastroenterology

Taxonomy Code
207RG0100X
Type
Allopathic & Osteopathic Physicians
License No.
A50154
License State
CA
Taxonomy Description
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.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. SAMEUL N MARCUS MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(650) 988-7488

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1053790691, we treat the final digit (1) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
0
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
3
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 7 → 14 → 5 0 → 0 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 0 + 1 + 0 + 3 + 1 + 4 + 9 + 0 + 6 + 1 + 8 + 24 = 59

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1053790691.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
2490 HOSPITAL DR, SUITE 311
MOUNTAIN VIEW, CA 94040
Specialist
2490 HOSPITAL DR, SUITE 311
MOUNTAIN VIEW, CA 94040
Physician Assistant (Medical)
2490 HOSPITAL DR, SUITE 201
MOUNTAIN VIEW, CA 94040
Internal Medicine
2490 HOSPITAL DR, SUITE 105
MOUNTAIN VIEW, CA 94040
Pediatrics (Adolescent Medicine)
2490 HOSPITAL DR, SUITE 205
MOUNTAIN VIEW, CA 94040
Pediatrics
2490 HOSPITAL DR, 103
MOUNTAIN VIEW, CA 94040
Urology
2490 HOSPITAL DR, SUITE 210
MOUNTAIN VIEW, CA 94040
Physician Assistant
2490 HOSPITAL DR, STE 211
MOUNTAIN VIEW, CA 94040
Clinic/Center (Ambulatory Surgical)
2490 HOSPITAL DR, SUITE 201
MOUNTAIN VIEW, CA 94040
Urology
2490 HOSPITAL DR, SUITE 210
MOUNTAIN VIEW, CA 94040
Genetic Counselor, MS
2490 HOSPITAL DR, SUITE 107
MOUNTAIN VIEW, CA 94040
Radiology (Vascular & Interventional Radiology)
2490 HOSPITAL DR, SUITE 311
MOUNTAIN VIEW, CA 94040
Acupuncturist
2490 HOSPITAL DR, SUITE 103-1
MOUNTAIN VIEW, CA 94040
Internal Medicine (Gastroenterology)
2490 HOSPITAL DR, 211
MOUNTAIN VIEW, CA 94040
Internal Medicine (Cardiovascular Disease)
2490 HOSPITAL DR, SUITE 104
MOUNTAIN VIEW, CA 94040
Internal Medicine (Cardiovascular Disease)
2490 HOSPITAL DR, SUITE 212
MOUNTAIN VIEW, CA 94040
Psychiatry & Neurology (Neurology)
2490 HOSPITAL DR, STE. #212
MOUNTAIN VIEW, CA 94040
Obstetrics & Gynecology (Gynecology)
2490 HOSPITAL DR, SUITE 300
MOUNTAIN VIEW, CA 94040
Dietitian, Registered
2490 HOSPITAL DR
MOUNTAIN VIEW, CA 94040
Thoracic Surgery (Cardiothoracic Vascular Surgery)
2490 HOSPITAL DR, SUITE 310
MOUNTAIN VIEW, CA 94040

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1053790691, enumerated as an "organization" on May 28, 2015.

The provider is located at 2490 HOSPITAL DR SUITE 211 MOUNTAIN VIEW, CA 94040 and the phone number is (650) 988-7488.

Internal Medicine with taxonomy code 207RG0100X and a focus in Gastroenterology.