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

Critical Care (Intensivists)

Philip S. Willsie, DO

Works at hospitals in Stratford, NJ · New Jersey

Summary

Dr. Philip S. Willsie, DO is a critical care doctor at 18 E Laurel Rd, Stratford, NJ 08084. Phone: (856) 513-4124. Accepts Medicare assignment. In 2024, Philip S. Willsie had 227 Original Medicare patients and 435 services. NPI 1669710638. 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: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 18 E Laurel Rd, Stratford, NJ 08084 · Directions (4 more locations)
  • Phone: (856) 513‑4124
  • Medicare: Accepts Medicare assignment
  • Hospital: Jefferson Stratford Hospital
  • Group practice: Kennedy Medical Group Practice, P.C.
  • Medical school: Kansas City University Of Physicians And Surgeons · graduated 2010 (16 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Philip S. Willsie, 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 Philip S. Willsie accept Medicare assignment?
Yes. Medicare's clinician data says Philip S. Willsie 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 Philip S. Willsie see?
In 2024, CMS data shows 227 Original Medicare patients and 435 services for Philip S. Willsie. This counts Original Medicare only and measures volume, not quality.
What is Philip S. Willsie's NPI number?
1669710638. 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 Philip S. Willsie, 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 patients227
Services billed to Medicare435
Different services or procedures19
Participating Medicare providerYes
Average age of these patients73

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)200 services
  2. Critical care, first 30-74 minutes (99291)125 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)44 services
  4. Insertion of non-tunneled central venous tube for infusion (5 years or older) (36556)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%
  • Chronic kidney disease57%
  • Ischemic heart disease55%
  • Diabetes53%
  • Heart failure52%

Hospitals where Philip S. Willsie works

Medicare's Facility Affiliation Data lists Philip S. Willsie 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.

  • Jefferson Stratford HospitalStratford, NJ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 310086

Practice locations

Addresses where Philip S. Willsie is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

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

  • Kennedy Medical Group Practice, P.C.418 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in New Jersey →

Other critical care doctors in New Jersey

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

All critical care doctors in New Jersey →

Other clinicians in Kennedy Medical Group Practice, P.C.

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

Clinician information

CredentialDO
Medical schoolKansas City University Of Physicians And Surgeons
Graduation year2010 (16 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1669710638
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