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DR. JOHN CARL HORNBERGER MD, MS
NPI 1801942909
Internal Medicine in Menlo Park, CA

Active since January 25, 2007
795 WILLOW RD, MENLO PARK, CA 94025(650) 493-5000 Get Directions Write a Review

NPPES record last updated: April 12, 2016. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Carl Hornberger Md, Ms NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JOHN CARL HORNBERGER MD, MS (NPI 1801942909) is an individual internal medicine provider in Menlo Park, California, licensed in California (G59734) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1801942909
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. JOHN CARL HORNBERGERCredential: MD, MS
Location Address795 WILLOW RDMenlo Park, CA 94025-2539
Mailing Address3715 Haven AveMenlo Park, CA 94025-1045 · (650) 275-3315
Phone(650) 493-5000
Sole ProprietorNo
Enumeration DateJanuary 25, 2007
Last NPPES UpdateApril 12, 2016
✔ NPI 1801942909 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · G59734
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
795 WILLOW RD, Menlo Park, CA 94025
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. TIMOTHY J AVERY PSY.D.
Psychologist (Clinical)
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 493-5000
COUNTY OF SAN MATEO
Clinic/Center (Federally Qualified Health Center (FQHC))
795 WILLOW RD, BLDG 334
MENLO PARK, CA 94025
San Mateo County (650) 599-3890
MRS. MARGARET A GIVENS LPT
Physical Therapist
795 WILLOW RD, ROOM E-106, BLDG 334
MENLO PARK, CA 94025
San Mateo County (650) 493-5000
MS. STEPHANIE ALEJANDRA GUZMAN LOPEZ MSW, LCSW, PPSC
Social Worker (Clinical)
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 493-5000
ALBERT LY PHD
Psychologist
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 614-9997
PALO ALTO VAMC
Department of Veterans Affairs (VA) Pharmacy
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (650) 849-1292
DR. ZAREENA JABEEN HUSSAIN MD
Radiology (Diagnostic Radiology)
795 WILLOW RD, VA NATIONAL TELERADIOLOGY PROGRAM
MENLO PARK, CA 94025
San Mateo County (612) 629-7186
MEGHANN FLYNN LAI
Social Worker (Clinical)
795 WILLOW RD
MENLO PARK, CA 94025
San Mateo County (516) 521-2828

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Hornberger's NPI number?

The NPI number for John Hornberger is 1801942909. It was assigned to this individual provider in the NPPES registry on January 25, 2007.

Where is John Hornberger located?

John Hornberger practices at 795 Willow Rd, Menlo Park, CA 94025. The listed phone number is (650) 493-5000.

What is John Hornberger's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for John Hornberger was last updated on April 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.