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

Radiation Oncology

Shirnett Williamson, MD

Works at hospitals in Kingman, AZ · Arizona

Summary

Dr. Shirnett Williamson, MD is a radiation oncologist at 1 Capital Way, Pennington, NJ 08534. Phone: (609) 303-4244. Accepts Medicare assignment. NPI 1083785042. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 1 Capital Way, Pennington, NJ 08534 · Directions (3 more locations)
  • Phone: (609) 303‑4244
  • Medicare: Accepts Medicare assignment
  • Hospital: Kingman Regional Medical Center
  • Group practice: Capital Health Medical Group (+1 more)
  • Medical school: Howard University College Of Medicine · graduated 1991 (35 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Shirnett Williamson, 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 Shirnett Williamson accept Medicare assignment?
Yes. Medicare's clinician data says Shirnett Williamson 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.
What is Shirnett Williamson's NPI number?
1083785042. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Shirnett Williamson works

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

Group practices

Medicare enrollment lists Shirnett Williamson as a member of these groups (CMS data updated October 2, 2026).

  • Capital Health Medical Group440 clinicians in the group
  • Kingman Healthcare Inc186 clinicians in the group

Specialties

Find other Radiation Oncology doctors in New Jersey →

Other radiation oncologists in Pennington

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

All radiation oncologists in Pennington →

Other clinicians in Capital Health Medical Group

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

Clinician information

CredentialMD
Medical schoolHoward University College Of Medicine
Graduation year1991 (35 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083785042
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. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians