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Radiation Oncology

Peter G. Hawkins, MD

Sees patients in Rohnert Park, CA · California

Summary

Dr. Peter G. Hawkins, MD is a radiation oncologist at 301 Professional Ctr Dr, Rohnert Park, CA 94928. Phone: (707) 584-2200. Accepts Medicare assignment. In 2024, Peter G. Hawkins had 14 Original Medicare patients and 162 services. NPI 1962820621. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Radiation oncologist (Medicare lists Radiation Oncology)
  • Address: 301 Professional Ctr Dr, Rohnert Park, CA 94928 · Directions
  • Phone: (707) 584‑2200
  • Medicare: Accepts Medicare assignment
  • Group practice: Cancer Therapy Medical Group Inc
  • Medical school: University Of California, San Diego School Of Medicine · graduated 2014 (12 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Peter G. Hawkins, 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 Peter G. Hawkins accept Medicare assignment?
Yes. Medicare's clinician data says Peter G. Hawkins 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 Peter G. Hawkins see?
In 2024, CMS data shows 14 Original Medicare patients and 162 services for Peter G. Hawkins. This counts Original Medicare only and measures volume, not quality.
What is Peter G. Hawkins's NPI number?
1962820621. 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 Peter G. Hawkins, 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 patients14
Services billed to Medicare162
Different services or procedures15
Participating Medicare providerYes
Average age of these patients71

Most frequent services

  1. Intensity modulated treatment delivery, single or multiple fields/arcs,via narrow spatially and temporally modulated beams, binary, dynamic mlc, per treatment session (G6015)70 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%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)75%

Practice locations

Addresses where Peter G. Hawkins is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Peter G. Hawkins as a member of this group (CMS data updated October 2, 2026).

  • Cancer Therapy Medical Group Inc13 clinicians in the group

Specialties

Find other Radiation Oncology doctors in California →

Other radiation oncologists in Rohnert Park

Clinicians with the same Medicare primary specialty in Rohnert Park, CA — not a recommendation.

All radiation oncologists in Rohnert Park →

Other clinicians in Cancer Therapy Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of California, San Diego School Of Medicine
Graduation year2014 (12 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962820621
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  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