Maryellen Sun, M.D.
Diagnostic Radiology Physician · Boston, MA
Maryellen Sun, M.D. is a diagnostic radiology physician with a practice address in Boston, Massachusetts, and NPI 1861661092, issued on Feb 21, 2008. Check the license (Massachusetts 234487, as entered in NPPES) on the Massachusetts Board of Registration in Medicine; the Medicare figures below come from public CMS files.
- Name
- Maryellen Sun
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- 234487 MA
Self-reported in NPPES; status is on the state search - Practice location
- Beth Israel Deaconess Medical Center, Boston, MA 02215
- Phone
- (617) 754-2521
- Enumerated
- Feb 21, 2008
- Record last updated
- Aug 2, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080826000376); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2002
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 1,658 in Massachusetts → Look up another NPI →
Also registered at Beth Israel Deaconess Medical Center
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Maryellen Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMassachusetts Board of Registration in Medicine
Search for license 234487Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Schatzki Associates IncArlington, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Maryellen Sun among 1,658 diagnostic radiology physician records in Massachusetts
Maryellen Sun, M.D. is one of 1,658 diagnostic radiology physician records with a practice address in Massachusetts. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 51% of them.
- NPI issued2008 · 51% of these records are older, 44% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated2002 · median 2006 among the 1,125 with a school on file
- Record last updated2011 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Massachusetts practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
896 diagnostic radiology physician records list a practice address in Boston
They are 896 of the 41,865 NPPES records with a practice address in Boston, and 1,658 diagnostic radiology physician records in Massachusetts.
All 1,658 in Massachusetts → Every provider in Boston → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Marina Alfisher, MDBoston, MA 022151417925207
- Jerome AuerbachBoston, MA 022151417942129
- Suraj Bowry, M.D.Boston, MA 022151891754321
- Mary Chou, M.D.Boston, MA 022151588623961
- Maureen Clarke, M.D.Boston, MA 022151891751855
- Eric Cortell, MDBoston, MA 022151992791545
- James Hayes, M.D.Boston, MA 022151548226517
- Arie Herskovits, MDBoston, MA 022151639127897
Common questions
What is Maryellen Sun, M.D.'s NPI number?
Maryellen Sun, M.D.'s National Provider Identifier (NPI) is 1861661092, issued on Feb 21, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Maryellen Sun, M.D. located?
The NPPES record lists a practice address at Beth Israel Deaconess Medical Center, Boston, MA, 02215. Phone: (617) 754-2521. Providers update this record themselves, so call before visiting.
How can I verify Maryellen Sun, M.D.'s license?
NPPES lists Massachusetts license number 234487, 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. 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.