Won K. Tak, M.D.
Radiation Oncology Physician · Worcester, MA
Won K. Tak, M.D. is a radiation oncology physician with a practice address in Worcester, Massachusetts, and NPI 1598897472, issued on Mar 9, 2007. Check the license (Massachusetts 33971, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Won K. Tak
- Credential
- M.D.
- Primary taxonomy
- Radiation Oncology Physician 2085R0001X
- License number
- 33971 MA
Self-reported in NPPES; status is on the state search - Practice location
- 119 Belmont Street, Worcester, MA 01605
- Phone
- (508) 334-6550
- Enumerated
- Mar 9, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest radiation oncology physician records → All 241 in Massachusetts → Look up another NPI →
Also registered at 119 Belmont Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Charu Bajracharya, M.D.Internal Medicine Physician1598349888
- Meghan Beaulieu, NNP-BCNeonatal Nurse Practitioner1225315377
- Tina Dumont, MD, PHDMaternal & Fetal Medicine Physician1902032550
- Chelsea Fleck, DNP, FNP-CNurse Practitioner1619459906
- Jennie Fleming, PA-CPhysician Assistant1699076927
- Erica Fullerton, CNMAdvanced Practice Midwife1255379020
Verify Won K. Tak in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 33971Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Won K. Tak among 241 radiation oncology physician records in Massachusetts
Won K. Tak, M.D. is one of 241 radiation oncology physician records with a practice address in Massachusetts. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 49% newer
- In a Medicare fileNo · 77% of these records are
- In the CMS Doctors and Clinicians fileNo · 71% of these records are
- Record last updated2007 · 54% 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 Massachusetts 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 Massachusetts
There are 241 radiation oncology physician records in Massachusetts. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 241 in Massachusetts → Every provider in Worcester → Radiation Oncology Physician nationwide →
The 8 radiation oncology physician records with the nearest ZIP codes
- Alexander ChiWorcester, MA 016051366604217
- David Harris, MDWorcester, MA 016051255865796
- Gavin Jones, MDWorcester, MA 016051427542919
- Sheida Mani, MDWorcester, MA 016051154319150
- Shelagh McCauley, M.D.Worcester, MA 016051093797417
- Mary McGunigal, M.D.Worcester, MA 016051811421266
- Elena Nedea, MDWorcester, MA 016051780666701
- Lakshmi Narayan Shanmugham, M.DWorcester, MA 016081689723843
Common questions
What is Won K. Tak, M.D.'s NPI number?
Won K. Tak, M.D.'s National Provider Identifier (NPI) is 1598897472, issued on Mar 9, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Won K. Tak, M.D. located?
The NPPES record lists a practice address at 119 Belmont Street, Worcester, MA, 01605. Phone: (508) 334-6550. Providers update this record themselves, so call before visiting.
How can I verify Won K. Tak, M.D.'s license?
NPPES lists Massachusetts license number 33971, as entered by the provider. Search the Massachusetts Board of Registration in Medicine at https://findmydoctor.mass.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.