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

Individual provider Plastic and Reconstructive Surgery Physician · NPI 1851469282

Corey S Maas, MD is a Plastic and Reconstructive Surgery Physician in San Francisco, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

2400 Clay St
San Francisco, CA 94115-1809
Phone: (415) 567-7000
Fax: (415) 567-7011
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Plastic and Reconstructive Surgery Physician (primary) Taxonomy 2086S0122X · Licence G71163 (CA)

Record details

NPI number1851469282
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 2, 2006
Last updated in NPPESMarch 24, 2026
Certification dateMarch 24, 2026

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