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

Lionel Marshall Nelson, MD

Individual provider Otolaryngology Physician · NPI 1902838063

Lionel Marshall Nelson, MD is an Otolaryngology in San Jose, California. Graduated from Yale University School of Medicine in 1969, 57 years ago. Practices with Bass Medical Group, a 292-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California.

Years since qualifying
57
Trained at
Yale University School of Medicine
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

2577 Samaritan Dr Ste 765
San Jose, CA 95124-4109
Phone: (408) 358-6163
Fax: (408) 358-2302
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2505 Samaritan Dr #510, San Jose, CA 95124 — (408) 358-6163

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence G19842 (CA)

Record details

NPI number1902838063
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 7, 2006
Last updated in NPPESFebruary 28, 2025
Certification dateFebruary 28, 2025

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolYALE UNIVERSITY SCHOOL OF MEDICINE
Graduated 1969 (57 years in practice)
Group practice Bass Medical Group — 292 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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