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

Dr. Alexa Henderson, MD

Individual provider Internal Medicine Physician · NPI 1700050911

Dr. Alexa Henderson, MD is an Internal Medicine in Saint Helena, California. Graduated from Indiana University School of Medicine in 2006, 20 years ago. Practices with Galen Inpatient Physicians PC, a 1,031-clinician group and accepts Medicare assignment. Licensed in California, Indiana and Oregon.

Years since qualifying
20
Trained at
Indiana University School of Medicine
Licensed in
CA, IN, OR
In the registry since
2008
Specialties on file
4
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

10 Woodland Rd
Saint Helena, CA 94574-9554
Phone: (707) 963-2002
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence MD174910 (OR)
Internal Medicine Physician Taxonomy 207R00000X · Licence 01064878A (IN)
Internal Medicine Physician Taxonomy 207R00000X · Licence MD174910 (OR)
Hospitalist Physician Taxonomy 208M00000X · Licence A114649 (CA)

Record details

NPI number1700050911
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 17, 2008
Last updated in NPPESJune 15, 2023
Certification dateJune 15, 2023

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 2006 (20 years in practice)
Group practice Galen Inpatient Physicians Pc — 1031 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Saint Helena