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

Mary P Esswein, LCSW

Individual provider Counselor · NPI 1598871709

Mary P Esswein, LCSW is a Clinical Social Worker in Perryville, Missouri. Qualified in 1990, 36 years ago. Practices with Mercy Hospital Perry, a 116-clinician group and works from 3 locations. Licensed in Missouri.

Years since qualifying
36
Licensed in
MO
In the registry since
2006
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

17 E Saint Joseph St
Perryville, MO 63775-2016
Phone: (573) 547-4553
Show map & directions

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

Additional practice locations (2)

  • 220 W Argonne Dr Ste T, Kirkwood, MO 63122-4240 — (573) 768-0405
  • 12 N Kingshighway, Perryville, MO 63775 — (573) 547-3116

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X · Licence 2000149479 (MO)

Record details

NPI number1598871709
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedAugust 21, 2006
Last updated in NPPESAugust 2, 2024
Certification dateAugust 2, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 1990 (36 years in practice)
Group practice Mercy Hospital Perry — 116 clinicians
Accepts Medicare assignment Not indicated
Practice locations9 on file with Medicare

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