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Clinical Psychologist

Megan L. McMahon, CP

Works at hospitals in Newark, DE · Delaware

Summary

Megan L. McMahon, CP is a clinical psychologist at 4701 Ogletown Stanton Rd, Suite 4200, Newark, DE 19713. Phone: (302) 737-7700. Accepts Medicare assignment. In 2024, Megan L. McMahon had 65 Original Medicare patients and 199 services. NPI 1568109163. 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: Clinical psychologist
  • Address: 4701 Ogletown Stanton Rd, Suite 4200, Newark, DE 19713 · Directions
  • Phone: (302) 737‑7700
  • Medicare: Accepts Medicare assignment
  • Hospital: Christiana Hospital
  • Group practice: Christiana Care Health Services Inc
  • School: graduated 2021
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Megan L. McMahon, 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 Megan L. McMahon accept Medicare assignment?
Yes. Medicare's clinician data says Megan L. McMahon 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 Megan L. McMahon see?
In 2024, CMS data shows 65 Original Medicare patients and 199 services for Megan L. McMahon. This counts Original Medicare only and measures volume, not quality.
What is Megan L. McMahon's NPI number?
1568109163. 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 Megan L. McMahon, 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 patients65
Services billed to Medicare199
Different services or procedures9
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Assessment of health behavior (96156)54 services
  2. Psychiatric diagnostic evaluation (90791)16 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 cholesterol71%
  • Anxiety62%
  • Depression54%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)54%
  • Arthritis49%

Hospitals where Megan L. McMahon works

Medicare's Facility Affiliation Data lists Megan L. McMahon 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.

  • Christiana HospitalNewark, DE · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 080001

Practice locations

Addresses where Megan L. McMahon is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Megan L. McMahon as a member of this group (CMS data updated October 2, 2026).

  • Christiana Care Health Services Inc1,483 clinicians in the group

Specialties

Find other clinicians: Clinical Psychologist, Delaware →

Other clinical psychologists in Newark

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

All clinical psychologists in Newark →

Other clinicians in Christiana Care Health Services Inc

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

Clinician information

CredentialCP
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1568109163
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