Thomas John Hayman, M.D., PH.D.
Radiation Oncology Physician · New Haven, CT
Thomas John Hayman, M.D., PH.D. is a radiation oncology physician with a practice address in New Haven, Connecticut, and NPI 1760862601, issued on Jun 5, 2015. Check the license (Connecticut 64460, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Thomas John Hayman
- Credential
- M.D., PH.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 64460 CT
Self-reported in NPPES; status is on the state search - Practice location
- 20 York St, New Haven, CT 06510
- Phone
- (203) 688-8300
- Enumerated
- Jun 5, 2015
- Record last updated
- May 20, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20200727003490); accepts Medicare assignment
- Medical or professional school
- University Of South Florida College Of Medicine, 2015
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 82 in Connecticut → Look up another NPI →
Also registered at 20 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cyrena Abbasi, MDStudent in an Organized Health Care Education/Training Program1609703289
- Ali Abboud, MD, MBAStudent in an Organized Health Care Education/Training Program1942943097
- Basil Abdalla, MDStudent in an Organized Health Care Education/Training Program1154905057
- Jasmina AbdallaStudent in an Organized Health Care Education/Training Program1700638590
- Sarah AbdallahPsychiatry Physician1740800952
- Usama Abdelghany, PHARM DOncology Pharmacist1548827843
Verify Thomas John Hayman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 64460Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average radiation oncology physician in 2024
12 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 73.6 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).
Bills Medicare through one group practice
- Yale UniversityGuilford, CT
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thomas John Hayman among 82 radiation oncology physician records in Connecticut
Thomas John Hayman, M.D., PH.D. is one of 82 radiation oncology physician records with a practice address in Connecticut. 93% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 74% of them.
- NPI issued2015 · 74% of these records are older, 21% newer
- In a Medicare fileYes · 93% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2015 · median 2007 among the 64 with a school on file
- Record last updated2020 · 66% 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 Connecticut 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 Connecticut
There are 82 radiation oncology physician records in Connecticut.
All 82 in Connecticut → Every provider in New Haven → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Yi An, MDNew Haven, CT 065101669714739
- Ranjit Bindra, M.D., PH.D.New Haven, CT 065101326206855
- Joseph Contessa, M.D., PH.D.New Haven, CT 065101639298318
- Peter Glazer, MDNew Haven, CT 065101396734166
- Susan Higgins, MDNew Haven, CT 065101962485987
- Nadine Housri, MDNew Haven, CT 065101467756189
- Zain Husain, MDNew Haven, CT 065101134389141
- Kimberly Johung, M.D. PH.DNew Haven, CT 065101255505178
Common questions
What is Thomas John Hayman, M.D., PH.D.'s NPI number?
Thomas John Hayman, M.D., PH.D.'s National Provider Identifier (NPI) is 1760862601, issued on Jun 5, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Thomas John Hayman, M.D., PH.D. located?
The NPPES record lists a practice address at 20 York St, New Haven, CT, 06510. Phone: (203) 688-8300. Providers update this record themselves, so call before visiting.
How can I verify Thomas John Hayman, M.D., PH.D.'s license?
NPPES lists Connecticut license number 64460, as entered by the provider. Search the Connecticut Medical Examining Board at https://www.elicense.ct.gov/Lookup/LicenseLookup.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Thomas John Hayman, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Thomas John Hayman, M.D., PH.D. had 12 Medicare Part D claims; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.
What is Thomas John Hayman, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 73.6 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.