Timothy L. Kerwin, MD
Radiation Oncology Physician · Naples, FL
Timothy L. Kerwin, MD is a radiation oncology physician with a practice address in Naples, Florida, and NPI 1346309085, issued on Dec 8, 2006. Check the license (Florida ME101714, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Timothy L. Kerwin
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License numbers
- ME101714 FL
A91189 CA
Self-reported in NPPES; status is on the state search - Practice location
- 15465 Tamiami Trl N, Naples, FL 34110
- Phone
- (239) 429-0200
- Enumerated
- Dec 8, 2006
- Record last updated
- Apr 22, 2022
- Fax
- (239) 421-8209
- Medicaid ID
- 000710000 FL
- Medicare enrollment
- Enrolled (PECOS I20081218000110); accepts Medicare assignment
- Medical or professional school
- Emory University School Of Medicine, 2003
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 520 in Florida → Look up another NPI →
Also registered at 15465 Tamiami Trl N
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Greer Burcky, RDNRegistered Dietitian1063165652
- Emilee Greenwood, APRNFamily Nurse Practitioner1851867139
- Ariel Pollock, MDRadiation Oncology Physician1356848493
- Cara SantosPhysician Assistant1093686818
Verify Timothy L. Kerwin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME101714Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% more Medicare Part D claims than the average radiation oncology physician in 2024
250 Medicare Part D claims for 114 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Tamsulosin Hcl163 claims
- Methylprednisolone12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $520.12
19 payments; by number, the most common kind was food and beverage; the largest payer was Myriad Genetic Laboratories, Inc. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 2 group practices
- Advocate Radiation Oncology LLCNaples, FL
- Precision Healthcare Specialists, LLCNaples, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Timothy L. Kerwin among 520 radiation oncology physician records in Florida
Timothy L. Kerwin, MD 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
- Graduated2003 · median 2002 among the 393 with a school on file
- Record last updated2022 · 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 Naples → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Ariel Pollock, MDNaples, FL 341101356848493
- Angela Babbo, MDNaples, FL 341091639335649
- Michael Hanus, MDNaples, FL 341141639172588
- Bruce Nakfoor, MDNaples, FL 341141780687608
- Kristina Mirabeau-Beale, M.D.Naples, FL 341021144540097
- Debra Freeman, MDNaples, FL 341191346254125
- Todd Pezzi, MDBonita Springs, FL 341351336674431
- Philip Purser, MDLakewood Ranch, FL 342021609831924
Common questions
What is Timothy L. Kerwin, MD's NPI number?
Timothy L. Kerwin, MD's National Provider Identifier (NPI) is 1346309085, issued on Dec 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Timothy L. Kerwin, MD located?
The NPPES record lists a practice address at 15465 Tamiami Trl N, Naples, FL, 34110. Phone: (239) 429-0200. Providers update this record themselves, so call before visiting.
How can I verify Timothy L. Kerwin, MD's license?
NPPES lists Florida license number ME101714, 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 Timothy L. Kerwin, MD prescribe under Medicare Part D?
In 2024, Timothy L. Kerwin, MD had 250 Medicare Part D claims for 114 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Timothy L. Kerwin, MD's MIPS final score?
The 2023 MIPS final score is 100 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.