Joanne B. Weidhaas, MD
Radiation Oncology Physician · New Haven, CT
Joanne B. Weidhaas, MD is a radiation oncology physician with a practice address in New Haven, Connecticut, and NPI 1295723294, issued on Oct 12, 2005. Check the license (Connecticut 042328, as entered in NPPES) on the Connecticut Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Joanne B. Weidhaas
- Credential
- MD
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 042328 CT
Self-reported in NPPES; status is on the state search - Practice location
- 15 York St, New Haven, CT 06510
- Phone
- (203) 688-4344
- Enumerated
- Oct 12, 2005
- Record last updated
- Apr 7, 2011 (not updated in 15 years: call before relying on the address or phone)
- Fax
- (203) 737-1281
- Medicaid ID
- 001423285 CT
- Medicare enrollment
- Enrolled (PECOS I20151203001721); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
Also registered at 15 York St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Karam Al JumailyStudent in an Organized Health Care Education/Training Program1023836269
- Nancy Angoff, MDInternal Medicine Physician1649248741
- Carolyn ArenaPsychiatric/Mental Health Nurse Practitioner1184294472
- Diana AthonvarangkulEndocrinology, Diabetes & Metabolism Physician1275980450
- Nigel Bamford, MDNeurology with Special Qualifications in Child Neurology Physician1639255318
- Ami Belmont, M.D.Internal Medicine Physician1295183226
Verify Joanne B. Weidhaas in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersConnecticut Medical Examining Board
Search for license 042328Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The practice group's MIPS final score for 2023 (Medicare payment program): 68.8 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
- The Regents OF The University OF CaliforniaLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Radiation Oncology Physician providers in Connecticut
There are 82 radiation oncology physician records in Connecticut.
Other radiation oncology physician records in Connecticut
- William Aberizk, MDGroton, CT1407173115
- Yi An, MDNew Haven, CT1669714739
- Sanjay Aneja, MDNew Haven, CT1699119628
- Emily Anstadt LutzHartford, CT1295222784
- Joseph Bargellini, M.D.New Milford, CT1619062494
- Pamela Bartolotta, RADIOGRAPHERNiantic, CT1629753116
- Helaine Bertsch, MDHartford, CT1013909993
- Ranjit Bindra, M.D., PH.D.New Haven, CT1326206855
- Jeffrey Bitterman, MDBristol, CT1922061134
- Adriana Blakaj, M.D., PH.D.Hartford, CT1831584614
Common questions
What is Joanne B. Weidhaas, MD's NPI number?
Joanne B. Weidhaas, MD's National Provider Identifier (NPI) is 1295723294, issued on Oct 12, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Joanne B. Weidhaas, MD located?
The NPPES record lists a practice address at 15 York St, New Haven, CT, 06510. Phone: (203) 688-4344. Providers update this record themselves, so call before visiting.
How can I verify Joanne B. Weidhaas, MD's license?
NPPES lists Connecticut license number 042328, 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.
What is Joanne B. Weidhaas, MD's MIPS final score?
The 2023 MIPS final score is 68.8 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.