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Nurse Practitioner

Mary Zimny, NP

Works at hospitals in Lewes, DE · Seaford, DE · Salisbury, MD · Delaware, Maryland

Summary

Mary Zimny, NP is a nurse practitioner at 18947 John J Williams Hwy, Tunnel Cancer Center, Rehoboth Beach, DE 19971. Phone: (302) 645-3770. May accept Medicare assignment. In 2024, Mary Zimny had 396 Original Medicare patients and 866 services. NPI 1366777500. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Zimny, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Mary Zimny accept Medicare assignment?
Medicare's clinician data says Mary Zimny 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 Zimny see?
In 2024, CMS data shows 396 Original Medicare patients and 866 services for Mary Zimny. This counts Original Medicare only and measures volume, not quality.
What is Mary Zimny's NPI number?
1366777500. 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 Zimny, 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 patients396
Services billed to Medicare866
Different services or procedures4
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)557 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)271 services
  3. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)31 services

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 blood pressure75%
  • High cholesterol75%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)52%
  • Arthritis47%
  • Ischemic heart disease43%
  • Anxiety29%

Hospitals where Mary Zimny works

Medicare's Facility Affiliation Data lists Mary Zimny at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Mary Zimny is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary Zimny as a member of these groups (CMS data updated October 2, 2026).

  • Beebe Physician Network Inc.310 clinicians in the group
  • Beebe Medical Center Inc29 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Delaware →

Other nurse practitioners in Rehoboth Beach

Clinicians with the same Medicare primary specialty in Rehoboth Beach, DE — not a recommendation.

All nurse practitioners in Rehoboth Beach →

Other clinicians in Beebe Physician Network Inc.

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2008
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1366777500
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians