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

Radiation Oncology

Alison Grann, MD

Works at hospitals in Livingston, NJ · Morristown, NJ · New Jersey

Summary

Alison Grann, MD (Radiation Oncology) is listed by Medicare at 2 hospitals in Livingston, NJ and Morristown, NJ. NPI 1992751853. 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 Alison Grann, 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

Radiation OncologyPrimary specialty
YesAccepts Medicare assignment
35Years since medical school (graduated 1991)
George Washington University School Of MedicineMedical school
FemaleGender (as listed)
Barnabas Health Medical Group PCGroup practice

Quick answers

Which hospitals does Alison Grann work at?
Medicare's official clinician data lists Alison Grann at 2 hospitals: Cooperman Barnabas Medical Center and Morristown Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Alison Grann see patients?
Medicare's clinician data lists 1 practice location in Livingston, NJ. Call before your visit to confirm the address.
What is Alison Grann's specialty?
Medicare lists Radiation Oncology as the primary specialty.
Does Alison Grann accept Medicare assignment?
Yes. Medicare's clinician data says Alison Grann 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 Alison Grann's NPI number?
1992751853. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Alison Grann works

Medicare's Facility Affiliation Data lists Alison Grann 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 Alison Grann is enrolled with Medicare (CMS data updated 2026-10-02).

  • 94 Old Short Hills RdLivingston, NJ 07039

Group practices

Medicare enrollment lists Alison Grann as a member of this group (CMS data updated 2026-10-02).

  • Barnabas Health Medical Group PC1,070 clinicians in the group

Specialties

Find other Radiation Oncology doctors in New Jersey →

Other radiation oncologists in Livingston

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

All radiation oncologists in Livingston →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year1991
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1992751853
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