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

John Petros Costianes, QMHS

Individual provider Peer Specialist · NPI 1003324690

John Petros Costianes, QMHS is a Peer Specialist in Warren, Ohio. Registered with an NPI since 2018.

In the registry since
2018
Specialties on file
2

Practice location Address checks out

150 E Market St
Warren, OH 44481-1141
Phone: (330) 399-6451
Fax: (330) 394-6266
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X
Peer Specialist Taxonomy 175T00000X

Record details

NPI number1003324690
Entity typeIndividual (Type 1)
GenderMale
Credentials QMHS
Sole proprietorNo
NPI enumeratedJanuary 17, 2018
Last updated in NPPESJanuary 17, 2018

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