Samuel N Marcus MD Inc.
NPI 1053790691 · Gastroenterology Physician · Mountain View, CA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Samuel N Marcus MD Inc. is a Gastroenterology Physician organization in Mountain View, CA (NPI 1053790691).
Provider details
- NPI number
- 1053790691
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Sameul Marcus, President(650) 988-7488
- License
- A50154 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-05-28
- Last updated
- 2024-07-18
- Certified
- 2024-07-18
Frequently asked questions
- What is Samuel N Marcus MD Inc.'s NPI number?
- Samuel N Marcus MD Inc.'s National Provider Identifier (NPI) is 1053790691, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Samuel N Marcus MD Inc.?
- Samuel N Marcus MD Inc. is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Samuel N Marcus MD Inc. located?
- Samuel N Marcus MD Inc.'s practice location on file with NPPES is 2490 Hospital Dr, Mountain View, CA 94040-4122.
- What is Samuel N Marcus MD Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Samuel N Marcus MD Inc. is (650) 988-7488.
- Does Samuel N Marcus MD Inc. accept Medicare?
- Samuel N Marcus MD Inc. is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Samuel N Marcus MD Inc.?
- The authorized official listed on Samuel N Marcus MD Inc.'s NPPES record is Sameul Marcus, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Samuel N Marcus MD Inc.'s NPI active?
- Yes — Samuel N Marcus MD Inc.'s NPI (1053790691) is active in the NPPES registry as of the last update on 2024-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.