Quick answers
- Does Mary P. Esswein accept Medicare assignment?
- Medicare's clinician data says Mary P. Esswein may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Mary P. Esswein see?
- In 2024, CMS data shows 12 Original Medicare patients and 53 services for Mary P. Esswein. This counts Original Medicare only and measures volume, not quality.
- What is Mary P. Esswein's NPI number?
- 1598871709. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Mary P. Esswein, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 12 |
|---|---|
| Services billed to Medicare | 53 |
| Different services or procedures | 3 |
| Participating Medicare provider | Yes |
| Average age of these patients | 62 |
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Anxiety75%
Practice locations
Addresses where Mary P. Esswein is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 10; the Medicare profile lists all.
- 12 N Kingshighway, 100 Wound CarePerryville, MO 63775 (573) 768‑3399
- 1508 Edgemont Blvd, Primary Care/convenient CarePerryville, MO 63775 (573) 768‑3220
- 17 W Saint Joseph StPerryville, MO 63775 (573) 768‑0405
- 206 Hospital LnPerryville, MO 63775
- 210 Hospital LnPerryville, MO 63775
Group practices
Medicare enrollment lists Mary P. Esswein as a member of these groups (CMS data updated October 2, 2026).
- Mercy Hospital Perry117 clinicians in the group
- 2BTRAUMAFREE LLC2 clinicians in the group
Specialties
- Clinical Social Workerprimary
Other clinical social workers in Perryville
Clinicians with the same Medicare primary specialty in Perryville, MO — not a recommendation.
Other clinicians in Mercy Hospital Perry
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CSW |
|---|---|
| Graduation year | 1990 |
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1598871709 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians