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

Petruska Geammette Maak, MD

Individual provider Pediatrics Physician · NPI 1891991246

Petruska Geammette Maak, MD is a Pediatrics Physician in San Jose, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
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

751 S Bascom Ave Pediatrics Dept
San Jose, CA 95128-2604
Phone: (408) 885-5000
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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 A98658 (CA)

Record details

NPI number1891991246
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 22, 2007
Last updated in NPPESJanuary 27, 2022
Certification dateJanuary 27, 2022

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