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

Maeve O'Regan, MD

Individual provider Internal Medicine Physician · NPI 1871535203

Maeve O'Regan, MD is an Internal Medicine Physician in Walnut Creek, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

2621 Shadelands Dr
Walnut Creek, CA 94598
Phone: (925) 947-0417
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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 A055743 (CA)

Record details

NPI number1871535203
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 11, 2006
Last updated in NPPESJune 18, 2015

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