Physician Profile
Gustavo A. Mercier, MD PHD practices diagnostic radiology in Boston, MA. Gustavo is a 1990 graduate of Icahn School of Medicine at Mount Sinai. According to Medicare claims data, Gustavo cared for 1,121 Medicare patients across 1,184 services. The services billed most often include nuclear medicine study from skull base to mid-thigh with ct scan, nuclear medicine study whole body with ct scan, and nuclear medicine study from skull base to mid-thigh with ct scan. The provider's National Provider Identifier (NPI) is 1316986904.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
75 FRANCIS ST
Boston, MA 02115
55 Fruit St
Boston, MA 02114
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.
Abdomen & Pelvis
Bone & Joint
Brain & Head
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
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
Urinary & kidney
Women's health
X-Ray
1,184 services · 1,121 patients · 12 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
599 | More than most peers in Diagnostic Radiology |
| Nuclear medicine study whole body with ct scan | Imaging | 78816 |
254 | More than most peers in Diagnostic Radiology |
| Nuclear medicine study from skull base to mid-thigh with ct scan | Imaging | 78815 |
114 | More than most peers in Diagnostic Radiology |
| Nuclear medicine study of bone and/or joint whole body | Imaging | 78306 |
59 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study of bone and/or joint whole body | Imaging | 78306 |
32 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study whole body with ct scan | Imaging | 78816 |
28 | More than most peers in Diagnostic Radiology |
| Radioactive drug therapy through a vein | Imaging | 79101 |
21 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study, spect imaging with concurrent ct scan, 1 area or single acquisition, single day imaging | Imaging | 78830 |
20 | Less often than most peers in Diagnostic Radiology |
| Radioactive drug therapy through a vein | Imaging | 79101 |
18 | More often than most peers in Diagnostic Radiology |
| Nuclear medicine study limited area with ct scan | Imaging | 78814 |
16 | Less 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.
Dr. Mercier 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
Dr. Mercier is listed at 75 Francis St, Boston, MA 02115. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (617) 732-6290. Contact the office directly to confirm availability and scheduling.
NPI registry
Dr. Mercier's National Provider Identifier is 1316986904. 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
Dr. Mercier attended Icahn School of Medicine at Mount Sinai, graduating in 1990. This comes from the CMS National Downloadable File.
CMS public data
Dr. Mercier has 36 years experience. Calculated from a graduation year of 1990, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Mercier performs imaging including nuclear medicine study from skull base to mid-thigh with ct scan and nuclear medicine study whole body with ct scan. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Mercier. If this is you, claiming it is free.
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