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MARY P ESSWEIN LCSW
NPI 1598871709
Counselor in Perryville, MO

Active since August 21, 2006PECOS Enrolled
17 E SAINT JOSEPH ST, PERRYVILLE, MO 63775(573) 547-4553 Get Directions Write a Review

NPPES record last updated: August 2, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 2, 2024, Jan 2, 2024 (2 updates tracked since 2024).

About Mary P Esswein Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARY P ESSWEIN LCSW (NPI 1598871709) is an individual counselor in Perryville, Missouri, licensed in Missouri (2000149479) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (1990).

NPPES Registry Identity

NPI1598871709
Entity TypeIndividualFemale
Primary Taxonomy101Y00000X
Provider Legal NameMARY P ESSWEINCredential: LCSW
Location Address17 E SAINT JOSEPH STPerryville, MO 63775-2016
Mailing Address20 S West StPerryville, MO 63775-2547 · (573) 547-8757
Phone(573) 547-4553
Sole ProprietorNo
Medical School CMSOtherGraduated 1990
Enumeration DateAugust 21, 2006
Last NPPES UpdateAugust 2, 20242 updates tracked since enumeration
NPPES CertifiedAugust 2, 2024
✔ NPI 1598871709 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in MO · 2000149479
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
17 E SAINT JOSEPH ST, Perryville, MO 63775
Open in Google Maps ↗

Secondary Practice Locations 2

Location 112 N KINGSHIGHWAYPERRYVILLE, MO 63775 · Phone (573) 547-3116
Location 2220 W Argonne Dr Ste TKirkwood, MO 63122-4240 · Phone (573) 768-0405 · Fax (573) 517-0200

Other Identifiers 2

Medicaid494977903MO
Other128547MO · Blue Cross

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mary P Esswein Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6901900646
PECOS Enrollment IDI20070405000094
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

3

Medicare enrollment records show Mary Esswein reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

2btraumafree LLC
Same address
Mental Health (Including Community Mental Health Center)
17 E SAINT JOSEPH ST
Perryville, MO 63775
  • Reassigned Medicare billing, Missouri enrollment
  • 2 clinicians in this Medicare group
NPI 1720858657 (573) 510-9488
Mercy Hospital Perry
0.6 mi
Rural Health
210 HOSPITAL LN
Perryville, MO 63775
  • Reassigned Medicare billing, Missouri enrollment
  • 192 clinicians in this Medicare group
NPI 1336828565 (573) 517-0999
Mercy Clinic Adult Psychiatry, LLC
44 mi
Psychiatry
1400 US HIGHWAY 61, SUITE H1341
Festus, MO 63028
  • Reassigned Medicare billing, Missouri enrollment
  • 32 clinicians in this Medicare group
NPI 1750788972 (636) 543-2230

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SAGE SERVICES LLC
Counselor (Professional)
17 E SAINT JOSEPH ST
PERRYVILLE, MO 63775
Perry County (573) 517-3951
CARRIE G SCHUBERT LPC
Counselor (Professional)
17 E SAINT JOSEPH ST
PERRYVILLE, MO 63775
Perry County (573) 517-3951
2BTRAUMAFREE LLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
17 E SAINT JOSEPH ST
PERRYVILLE, MO 63775
Perry County (573) 510-9488

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Mary Esswein's NPI number?

The NPI number for Mary Esswein is 1598871709. It was assigned to this individual provider in the NPPES registry on August 21, 2006.

Where is Mary Esswein located?

Mary Esswein practices at 17 E Saint Joseph St, Perryville, MO 63775. The listed phone number is (573) 547-4553.

What is Mary Esswein's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Mary Esswein enrolled in Medicare?

Yes. Mary Esswein is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Mary Esswein's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mary Esswein reassigns Medicare benefits to 3 organizations: 2btraumafree LLC (Perryville, MO), Mercy Hospital Perry (Perryville, MO) and Mercy Clinic Adult Psychiatry, LLC (Festus, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Esswein's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mary Esswein accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Arkansas Health & Wellness, Ambetter from Sunflower Health Plan and Ambetter of Oklahoma and 5 other insurers list Mary Esswein as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Mary Esswein was last updated on August 2, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.