PETER HAWKINS M.D., PH.D.
NPI 1962820621
Radiology - Radiation Oncology in Rohnert Park, CA
About Peter Hawkins M.d., Ph.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PETER HAWKINS M.D., PH.D. (NPI 1962820621) is an individual radiation oncology provider in Rohnert Park, California, licensed in California (A161883) and active in the NPI registry since March 2014. He is enrolled in Medicare PECOS and is a graduate of University Of California, San Diego School Of Medicine (2014).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Peter Hawkins M.d., Ph.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Peter Hawkins reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rohnert Park, CA 94928
- Reassigned Medicare billing, California enrollment
- 15 clinicians in this Medicare group
Vallejo, CA 94589
- Reassigned Medicare billing, California enrollment
- 20,078 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94928 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROHNERT PARK, CA 94928
ROHNERT PARK, CA 94928
ROHNERT PARK, CA 94928
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Peter Hawkins's NPI number?
The NPI number for Peter Hawkins is 1962820621. It was assigned to this individual provider in the NPPES registry on March 31, 2014.
Where is Peter Hawkins located?
Peter Hawkins practices at 301 Professional Center Dr, Rohnert Park, CA 94928. The listed phone number is (707) 584-2200.
What is Peter Hawkins's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Peter Hawkins enrolled in Medicare?
Yes. Peter Hawkins is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Peter Hawkins's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Hawkins reassigns Medicare benefits to 2 organizations: Cancer Therapy Medical Group Inc (Rohnert Park, CA) and Permanente Medical Group Inc (Vallejo, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Peter Hawkins's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Peter Hawkins was last updated on July 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Peter Hawkins, M.D., PH.D. · NPI 1962820621
Radiation Oncology physician in Rohnert Park, California. Individual provider, active in the CMS NPPES registry since March 31, 2014.
## Identity
- **NPI:** 1962820621 (Entity type: Individual)
- **Enumerated:** March 31, 2014
- **Primary specialty:** Radiology - Radiation Oncology · taxonomy 2085R0001X
- **State license:** A161883 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 301 PROFESSIONAL CENTER DR, Rohnert Park, CA 94928-2152
- **Phone:** (707) 584-2200 · **Fax:** (707) 584-7582
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cancer Therapy Medical Group Inc (NPI 1649280520, Rohnert Park, CA); Permanente Medical Group Inc (NPI 1336222397, Vallejo, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Diego School Of Medicine, class of 2014
## Record status
- **NPPES last updated:** July 19, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1962820621) · Data from the CMS NPPES public registry.