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Edit this profileAt a glance
- Massachusetts General Hospital, 55 Fruit St., Boston, MA 02114
About Dr. An
Thomas An, MD is a healthcare provider in Boston, MA specializing in diagnostic radiology. Thomas trained at Vanderbilt University School of Medicine, graduating in 2017. Thomas is also listed as specializing in surgery. Medicare claims data shows Thomas provided 458 services to 440 patients. The services billed most often include use of a drug to induce depression of consciousness by physician performing a procedure (5 years or older), initial 15 minutes, ultrasonic guidance for blood vessel access, and ultrasonic guidance for needle placement. This provider record is associated with NPI 1912427113.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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) 726-5518
- Email not available
Practice Locations
MASSACHUSETTS GENERAL HOSPITAL 55 FRUIT ST.
Boston, MA 02114
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
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
458 services · 440 patients · 16 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Needle biopsy of liver through skin | Procedure | 47000 |
27 | More often than most peers in Diagnostic Radiology |
| Needle biopsy of kidney | Procedure | 50200 |
21 | More often than most peers in Diagnostic Radiology |
| Drainage of fluid collection of abdominal cavity by tube using imaging guidance | Procedure | 49406 |
18 | More often than most peers in Diagnostic Radiology |
| Insertion of tunneled central venous tube for infusion (5 years or older) | Procedure | 36558 |
17 | As often as other peers in Diagnostic Radiology |
| Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin | Procedure | 32408 |
16 | As often as other peers in Diagnostic Radiology |
| Insertion of tube into abdominal, pelvic, or leg artery, initial third order branch | Procedure | 36247 |
15 | Less often than most peers in Diagnostic Radiology |
| Placement of device in prostate for radiation therapy | Procedure | 55876 |
14 | Too few peers to compare |
| Needle biopsy of growth of abdominal cavity | Procedure | 49180 |
13 | Less often than most peers in Diagnostic Radiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
57 | More often than most peers in Diagnostic Radiology |
| Ultrasonic guidance for needle placement | Imaging | 76942 |
51 | More often than most peers in Diagnostic Radiology |
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.
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.
Other radiologists in Boston 7
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Vanderbilt University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2017 at Vanderbilt University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Needle biopsy of liver through skin 8
Providers in MA who bill this service to Medicare most often.
Common questions
What does Dr. An specialize in?
Dr. An 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 Dr. An located?
Dr. An is listed at Massachusetts General Hospital 55 Fruit St., Boston, MA 02114. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. An's phone number?
The number on file is (617) 726-5518. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. An?
Dr. An's National Provider Identifier is 1912427113. 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 Dr. An go to medical school?
Dr. An attended Vanderbilt University School of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. An have?
Dr. An has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.
CMS public data
What does Dr. An do most often?
According to Medicare billing data, Dr. An performs procedures including needle biopsy of liver through skin, needle biopsy of kidney and drainage of fluid collection of abdominal cavity by tube using imaging guidance; reads or performs imaging such as ultrasonic guidance for blood vessel access and ultrasonic guidance for needle placement; provides treatments such as use of a drug to induce depression of consciousness by physician performing a procedure , initial 15 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. An's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. An. If this is you, claiming it is free.
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