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

Mary Jane Hall Willis, MD

Individual provider Clinical Genetics (M.D.) Physician · NPI 1104998053

Mary Jane Hall Willis, MD is a Clinical Genetics (M.D.) Physician in San Diego, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
Specialties on file
2
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

34520 Bob Wilson Dr Ste 100
San Diego, CA 92134-2098
Phone: (619) 532-6896
Fax: (619) 532-9184
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pediatrics Physician (primary) Taxonomy 208000000X · Licence A75301 (CA)
Clinical Genetics (M.D.) Physician Taxonomy 207SG0201X · Licence A75301 (CA)

Record details

NPI number1104998053
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedNovember 15, 2006
Last updated in NPPESMarch 3, 2023
Certification dateMarch 3, 2023

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