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Physician Assistant

Philip J. Ash, PA

Works at hospitals in Livingston, NJ · New Jersey

Summary

Philip J. Ash, PA (Physician Assistant) is listed by Medicare at 1 hospital in Livingston, NJ. NPI 1144905068. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Philip J. Ash, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
3Years since medical school (graduated 2023)
MaleGender (as listed)
RWJBH Observation Associates LLCGroup practice

Quick answers

Which hospitals does Philip J. Ash work at?
Medicare's official clinician data lists Philip J. Ash at 1 hospital: Cooperman Barnabas Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Philip J. Ash see patients?
Medicare's clinician data lists 2 practice locations, including Somerville, NJ and Livingston, NJ. Call before your visit to confirm the address.
What is Philip J. Ash's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Philip J. Ash accept Medicare assignment?
Yes. Medicare's clinician data says Philip J. Ash accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Philip J. Ash?
(908) 685-2200, as listed in official Medicare / NPI Registry data.
What is Philip J. Ash's NPI number?
1144905068. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Philip J. Ash works

Medicare's Facility Affiliation Data lists Philip J. Ash at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Philip J. Ash is enrolled with Medicare (CMS data updated 2026-10-02).

  • 110 Rehill AveSomerville, NJ 08876 (908) 685‑2200
  • 94 Old Short Hills RdLivingston, NJ 07039

Group practices

Medicare enrollment lists Philip J. Ash as a member of this group (CMS data updated 2026-10-02).

  • RWJBH Observation Associates LLC1,008 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, New Jersey →

Other physician assistants in Somerville

Clinicians with the same Medicare primary specialty in Somerville, NJ — not a recommendation.

All physician assistants in Somerville →

Clinician information

CredentialPA
Graduation year2023
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144905068
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians