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

Dr. John Pieter Tazelaar, MD

Individual provider Molecular Genetic Pathology (Pathology) Physician · NPI 1265666960

Dr. John Pieter Tazelaar, MD is a Molecular Genetic Pathology (Pathology) Physician in Royal Oak, Michigan. Works from 2 locations. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2009
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

3601 W 13 Mile Rd
Royal Oak, MI 48073-6712
Phone: (713) 338-1994
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 2515 Liberty Ave, Pittsburgh, PA 15222-4613 — (412) 224-6897

Specialties & licences

Molecular Genetic Pathology (Pathology) Physician (primary) Taxonomy 207ZP0007X · Licence MD418559 (PA)

Record details

NPI number1265666960
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 8, 2009
Last updated in NPPESJune 30, 2021
Certification dateJune 30, 2021

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