Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Samuel Neal Marcus, MD

Individual provider Gastroenterology Physician · NPI 1396717740

Samuel Neal Marcus, MD is a Gastroenterology in Stanford, California. Qualified in 1977, 49 years ago. Practices with Samuel N Marcus M D Inc, a 2-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
49
Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

300 Pasteur Dr
Stanford, CA 94305-2200
Phone: (650) 723-4000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2490 Hospital Dr, Mountain View, CA 94040 — (650) 988-7488

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A50154 (CA)

Record details

NPI number1396717740
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedFebruary 1, 2006
Last updated in NPPESApril 15, 2024
Certification dateApril 15, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Medical schoolOTHER
Graduated 1977 (49 years in practice)
Group practice Samuel N Marcus M D Inc — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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