Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Mary S. McMullen, NP

Works at hospitals in Philadelphia, PA · Pennsylvania

Summary

Mary S. McMullen, NP is a nurse practitioner at 3998 Red Lion Rd, Philadelphia, PA 19114. Phone: (215) 357-6565. Accepts Medicare assignment. In 2024, Mary S. McMullen had 446 Original Medicare patients and 631 services. NPI 1194301614. 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 S. McMullen, 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 S. McMullen accept Medicare assignment?
Yes. Medicare's clinician data says Mary S. McMullen 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 Mary S. McMullen see?
In 2024, CMS data shows 446 Original Medicare patients and 631 services for Mary S. McMullen. This counts Original Medicare only and measures volume, not quality.
What is Mary S. McMullen's NPI number?
1194301614. 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 S. McMullen, 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 patients446
Services billed to Medicare631
Different services or procedures8
Participating Medicare providerYes
Average age of these patients69

Most frequent services

  1. Counseling visit to discuss need for lung cancer screening using low dose ct scan (ldct) (service is for eligibility determination and shared decision making) (G0296)433 services
  2. Smoking and tobacco use intensive counseling, 4-10 minutes (99406)181 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 cholesterol75%
  • High blood pressure74%
  • COPD48%
  • Arthritis39%
  • Ischemic heart disease34%
  • Diabetes33%

Hospitals where Mary S. McMullen works

Medicare's Facility Affiliation Data lists Mary S. McMullen 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 S. McMullen is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Mary S. McMullen as a member of this group (CMS data updated October 2, 2026).

  • Aria Health Physician Services450 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Pennsylvania →

Other nurse practitioners in Philadelphia

Clinicians with the same Medicare primary specialty in Philadelphia, PA — not a recommendation.

All nurse practitioners in Philadelphia →

Other clinicians in Aria Health Physician Services

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

Clinician information

CredentialNP
Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194301614
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