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

Individual provider Psychiatry Physician · NPI 1639810328

Dr. Peter Pellionisz, MD, PHD is a Psychiatry Physician in Menlo Park, California. Licensed in California. Registered with an NPI since 2022.

Licensed in
CA
In the registry since
2022
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1225 Crane St Ste 106A
Menlo Park, CA 94025-4253
Phone: (650) 799-1863
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychiatry Physician (primary) Taxonomy 2084P0800X · Licence A189259 (CA)

Record details

NPI number1639810328
Entity typeIndividual (Type 1)
GenderMale
Credentials MD , PHD
Sole proprietorNo
NPI enumeratedApril 5, 2022
Last updated in NPPESAugust 4, 2026
Certification dateAugust 4, 2026

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