Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Mr. Ray A Blatzer, LCSW, MPH

Individual provider Social Worker · NPI 1659034320

Mr. Ray A Blatzer, LCSW, MPH is a Social Worker in Chicago, Illinois. Practices as a sole proprietor. Licensed in Illinois.

Licensed in
IL
In the registry since
2021
Specialties on file
2
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.
MPH — Master of Public Health
A graduate degree in population health.

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Practice location Address checks out

820 S Damen Ave
Chicago, IL 60612-3728
Phone: (312) 569-5864
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 149.025300 (IL)
Social Worker Taxonomy 104100000X · Licence 149.025300 (IL)

Record details

NPI number1659034320
Entity typeIndividual (Type 1)
GenderMale
Credentials LCSW , MPH
Sole proprietorYes
NPI enumeratedOctober 19, 2021
Last updated in NPPESFebruary 7, 2025
Certification dateFebruary 7, 2025

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