Physician Profile
Maryellen Sun, M.D.
Unclaimed ProfileAbout Dr. Sun
Maryellen Sun, M.D. is a healthcare provider in Boston, MA specializing in diagnostic radiology. Maryellen trained at Harvard Medical School, graduating in 2002. According to Medicare claims data, Maryellen cared for 399 Medicare patients across 404 services. The services billed most often include ct scan of chest without contrast, ct scan head or brain without contrast, and ct scan of abdomen and pelvis with contrast.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (617) 754-2521
- Email not available
Practice Locations
BETH ISRAEL DEACONESS MEDICAL CENTER 330 BROOKLINE AVENUE
Boston, MA 02215
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
- Uterine fibroids
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
404 services · 399 patients · 13 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct scan of chest without contrast | Imaging | 71250 |
85 | As often as other peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
75 | |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
51 | |
| Ct scan of upper spine without contrast | Imaging | 72125 |
34 | |
| Ct scan of abdomen and pelvis before and after contrast | Imaging | 74178 |
27 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest with contrast | Imaging | 71260 |
27 | |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
22 | |
| Mri scan of pelvis before and after contrast | Imaging | 72197 |
17 | |
| Low dose ct scan of chest for lung cancer screening | Imaging | 71271 |
15 | |
| Ct scan of abdomen and pelvis without contrast | Imaging | 74176 |
14 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other radiologists at this location 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 30 related providers in 4 groups
Other radiologists in Boston 8
Same specialty, same city.
Trained at Harvard Medical School 7
Other providers in the same specialty who trained at the same institution.
Class of 2002 at Harvard Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Ct scan of chest without contrast 7
Providers in MA who bill this service to Medicare most often.
Common questions
What does Maryellen Sun specialize in?
Maryellen Sun is a radiologist in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Maryellen Sun located?
Maryellen Sun is listed at Beth Israel Deaconess Medical Center 330 Brookline Avenue, Boston, MA 02215. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Maryellen Sun's phone number?
The number on file is (617) 754-2521. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Maryellen Sun's NPI number?
Maryellen Sun's National Provider Identifier is 1861661092. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Maryellen Sun train?
Maryellen Sun attended Harvard Medical School, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Maryellen Sun been practicing?
Maryellen Sun has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What does Maryellen Sun do most often?
According to Medicare billing data, Maryellen Sun performs imaging including ct scan of chest without contrast and ct scan head or brain without contrast. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Maryellen Sun confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Maryellen Sun. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.