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

John Maass

Individual provider Peer Specialist · NPI 1891198560

John Maass is a Peer Specialist in Oklahoma City, Oklahoma. Practices as a sole proprietor. Registered with an NPI since 2014.

In the registry since
2014

Practice location Address checks out

800 E Dr Apt 3
Oklahoma City, OK 73105-8450
Phone: (405) 675-3783
Show map & directions

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

Specialties & licences

Peer Specialist (primary) Taxonomy 175T00000X

Record details

NPI number1891198560
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedOctober 8, 2014
Last updated in NPPESDecember 2, 2014

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