Nikhil Gadahad Rao, MD
Radiation Oncology Physician · Rohnert Park, CA
Nikhil Gadahad Rao, MD is a radiation oncology physician with a practice address in Rohnert Park, California, and NPI 1275737850, issued on Jun 14, 2007. Check the license (California C140465, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Nikhil Gadahad Rao
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- C140465 CA
ME102445 FL
M6354 TX
Self-reported in NPPES; status is on the state search - Practice location
- 301 Professional Center Dr, Rohnert Park, CA 94928
- Phone
- (877) 866-0914
- Enumerated
- Jun 14, 2007
- Record last updated
- Jul 19, 2023
- Medicaid ID
- 1275737850 CA
- Medicare enrollment
- Enrolled (PECOS I20170804001353); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 735 in California → Look up another NPI →
Also registered at 301 Professional Center Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Marc Fields, MDRadiation Oncology Physician1730143066
- Peter Hawkins, M.D., PH.D.Radiation Oncology Physician1962820621
- Irwin Lee, MDRadiation Oncology Physician1861510760
Verify Nikhil Gadahad Rao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license C140465Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average radiation oncology physician in 2024
62 Medicare Part D claims for 36 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
Most prescribed
- Tamsulosin Hcl24 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Cancer Therapy Medical Group IncRohnert Park, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nikhil Gadahad Rao among 735 radiation oncology physician records in California
Nikhil Gadahad Rao, MD is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 43% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2003 · median 2005 among the 545 with a school on file
- Record last updated2023 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Radiation Oncology Physician providers in California
There are 735 radiation oncology physician records in California.
All 735 in California → Every provider in Rohnert Park → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Marc Fields, MDRohnert Park, CA 949281730143066
- Peter Hawkins, M.D., PH.D.Rohnert Park, CA 949281962820621
- Irwin Lee, MDRohnert Park, CA 949281861510760
- Allan Rappaport, M.D., J.D.Tiburon, CA 949201346310539
- Mark Rounsaville, MDNicasio, CA 949461033100284
- Francine Halberg, MDGreenbrae, CA 949041275515256
- Lloyd Miyawaki, MDGreenbrae, CA 949041497737464
- Joseph Poen, MDGreenbrae, CA 949041972585941
Common questions
What is Nikhil Gadahad Rao, MD's NPI number?
Nikhil Gadahad Rao, MD's National Provider Identifier (NPI) is 1275737850, issued on Jun 14, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Nikhil Gadahad Rao, MD located?
The NPPES record lists a practice address at 301 Professional Center Dr, Rohnert Park, CA, 94928. Phone: (877) 866-0914. Providers update this record themselves, so call before visiting.
How can I verify Nikhil Gadahad Rao, MD's license?
NPPES lists California license number C140465, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Nikhil Gadahad Rao, MD prescribe under Medicare Part D?
In 2024, Nikhil Gadahad Rao, MD had 62 Medicare Part D claims for 36 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.