James Gerstley, M.D.
Radiation Oncology Physician · Boca Raton, FL
James Gerstley, M.D. is a radiation oncology physician with a practice address in Boca Raton, Florida, and NPI 1548214836, issued on May 20, 2006. Check the license (Florida ME154816, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- James Gerstley
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- ME154816 FL
25MA06683700 NJ
2093751 NY
Self-reported in NPPES; status is on the state search - Practice location
- 21020 State Road 7 Ste 100, Boca Raton, FL 33428
- Phone
- (561) 883-8656
- Enumerated
- May 20, 2006
- Record last updated
- May 6, 2026
- Medicare enrollment
- Enrolled (PECOS I20250728001374); accepts Medicare assignment
- Medical or professional school
- Tulane University School Of Medicine, 1982
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 520 in Florida → Look up another NPI →
Verify James Gerstley in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME154816Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average radiation oncology physician in 2024
19 Medicare Part D claims, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D.
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
- Genesiscare USA OF Florida LLCBoca Raton, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
James Gerstley among 520 radiation oncology physician records in Florida
James Gerstley, M.D. is one of 520 radiation oncology physician records with a practice address in Florida. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 47% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 76% of these records are
- Graduated1982 · median 2002 among the 393 with a school on file
- Record last updated2026 · 50% 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 Florida 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 Florida
There are 520 radiation oncology physician records in Florida.
All 520 in Florida → Every provider in Boca Raton → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Bruce Phillips, M.D.Boca Raton, FL 334281912904905
- Vinay Sharma, M.D.Boca Raton, FL 334281164425237
- James Parsons, MDBoynton Beach, FL 334351679587075
- Timothy Thar, MDBoynton Beach, FL 334351942223094
- Georges Hobeika, M.D.West Palm Beach, FL 334171669595518
- Laura Freedman, MDDeerfield Beach, FL 334421457391906
- Claude Harmon, M.D.Wellington, FL 334141114982717
- Anne Lewis, MDWest Palm Beach, FL 334121922045079
Common questions
What is James Gerstley, M.D.'s NPI number?
James Gerstley, M.D.'s National Provider Identifier (NPI) is 1548214836, issued on May 20, 2006. An NPI identifies a provider in billing; it is not a license.
Where is James Gerstley, M.D. located?
The NPPES record lists a practice address at 21020 State Road 7 Ste 100, Boca Raton, FL, 33428. Phone: (561) 883-8656. Providers update this record themselves, so call before visiting.
How can I verify James Gerstley, M.D.'s license?
NPPES lists Florida license number ME154816, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does James Gerstley, M.D. prescribe under Medicare Part D?
In 2024, James Gerstley, M.D. had 19 Medicare Part D claims; 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.