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Allergy/Immunology

Jennifer Brennan-Phillip, DO

Works at hospitals in Wynnewood, PA · Media, PA · Pennsylvania

Summary

Dr. Jennifer Brennan-Phillip, DO is an allergist and immunologist at 1088 W Baltimore Pike, Suite 2106, Media, PA 19063. Phone: (610) 566-2126. Accepts Medicare assignment. In 2024, Jennifer Brennan-Phillip had 30 Original Medicare patients and 117 services. NPI 1275193823. 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: Allergist and immunologist (Medicare lists Allergy/Immunology)
  • Address: 1088 W Baltimore Pike, Suite 2106, Media, PA 19063 · Directions (1 more location)
  • Phone: (610) 566‑2126
  • Medicare: Accepts Medicare assignment
  • Hospitals: Main Line Hospital Lankenau, Riddle Memorial Hospital
  • Group practice: Thomas E Klein MD PC
  • Medical school: Philadelphia College Of Osteopathic Medicine · graduated 2019 (7 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Jennifer Brennan-Phillip, 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 Jennifer Brennan-Phillip accept Medicare assignment?
Yes. Medicare's clinician data says Jennifer Brennan-Phillip 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 Jennifer Brennan-Phillip see?
In 2024, CMS data shows 30 Original Medicare patients and 117 services for Jennifer Brennan-Phillip. This counts Original Medicare only and measures volume, not quality.
What is Jennifer Brennan-Phillip's NPI number?
1275193823. 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 Jennifer Brennan-Phillip, 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 patients30
Services billed to Medicare117
Different services or procedures11
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)18 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%
  • Asthma50%
  • Arthritis40%

Hospitals where Jennifer Brennan-Phillip works

Medicare's Facility Affiliation Data lists Jennifer Brennan-Phillip 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.

  • Main Line Hospital LankenauWynnewood, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390195
  • Riddle Memorial HospitalMedia, PA · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 390222

Practice locations

Addresses where Jennifer Brennan-Phillip is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jennifer Brennan-Phillip as a member of this group (CMS data updated October 2, 2026).

  • Thomas E Klein MD PC6 clinicians in the group

Specialties

Find other Allergy/Immunology doctors in Pennsylvania →

Other allergist and immunologists in Pennsylvania

Clinicians with the same Medicare primary specialty in Pennsylvania — not a recommendation.

All allergist and immunologists in Pennsylvania →

Other clinicians in Thomas E Klein MD PC

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

Clinician information

CredentialDO
Medical schoolPhiladelphia College Of Osteopathic Medicine
Graduation year2019 (7 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275193823
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