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

James Mark Lin, MD

Individual provider Gastroenterology Physician · NPI 1396864872

James Mark Lin, MD is a Gastroenterology in Pleasanton, California. Graduated from Vanderbilt University School of Medicine in 2005, 21 years ago. Practices with Stanford Health Care, a 3,085-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California.

Years since qualifying
21
Trained at
Vanderbilt University School of Medicine
Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

5565 W Las Positas Blvd Ste 200
Pleasanton, CA 94588-5806
Phone: (650) 736-5555
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 5575 W Las Positas Blvd Ste 130, Pleasanton, CA 94588-5800 — (925) 463-0590

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence A102814 (CA)

Record details

NPI number1396864872
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 28, 2007
Last updated in NPPESApril 12, 2024
Certification dateApril 12, 2024
Mailing address5565 W Las Positas Blvd Ste 200, Pleasanton, CA 94588-5806

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 2005 (21 years in practice)
Group practice Stanford Health Care — 3085 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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