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Nurse Practitioner

Mimi J. Hilderley, NP

Works at hospitals in Lewes, DE · Delaware

Summary

Mimi J. Hilderley, NP is a nurse practitioner at 18941 John J Williams Hwy, Rehoboth Beach, DE 19971. Phone: (302) 703-3595. Accepts Medicare assignment. In 2024, Mimi J. Hilderley had 149 Original Medicare patients and 797 services. NPI 1043905011. 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.

  • Specialty: Nurse practitioner
  • Address: 18941 John J Williams Hwy, Rehoboth Beach, DE 19971 · Directions (1 more location)
  • Phone: (302) 703‑3595
  • Medicare: Accepts Medicare assignment
  • Hospital: Beebe Medical Center
  • Group practice: Beebe Physician Network Inc.
  • School: graduated 2022
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Mimi J. Hilderley, 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 Mimi J. Hilderley accept Medicare assignment?
Yes. Medicare's clinician data says Mimi J. Hilderley accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Mimi J. Hilderley see?
In 2024, CMS data shows 149 Original Medicare patients and 797 services for Mimi J. Hilderley. This counts Original Medicare only and measures volume, not quality.
What is Mimi J. Hilderley's NPI number?
1043905011. 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 Mimi J. Hilderley, 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 patients149
Services billed to Medicare797
Different services or procedures7
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Face-to-face behavioral counseling for obesity, 15 minutes (G0447)267 services
  2. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)206 services
  3. Whole body composition tissue and fluid measurements with interpretation and report (0358T)195 services
  4. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)59 services
  5. New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)50 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%
  • Arthritis56%
  • Anxiety36%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
  • Diabetes25%

Hospitals where Mimi J. Hilderley works

Medicare's Facility Affiliation Data lists Mimi J. Hilderley 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.

  • Beebe Medical CenterLewes, DE · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 080007

Practice locations

Addresses where Mimi J. Hilderley is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mimi J. Hilderley as a member of this group (CMS data updated October 2, 2026).

  • Beebe Physician Network Inc.310 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 year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043905011
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