Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Carl Hornberger, MD, MS

Individual provider Internal Medicine Physician · NPI 1801942909

Dr. John Carl Hornberger, MD, MS is an Internal Medicine Physician in Menlo Park, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

795 Willow Rd
Menlo Park, CA 94025-2539
Phone: (650) 493-5000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence G59734 (CA)

Record details

NPI number1801942909
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , MS
Sole proprietorNo
NPI enumeratedJanuary 25, 2007
Last updated in NPPESApril 12, 2016

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