Doctor profile · Federal record

Dr. Gustavo Mercier, MD PHD

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Nuclear Medicine Physician · Nuclear Cardiology Physician · Boston, MA

  • NPI 1316986904
  • Accepts Medicare
  • 36 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
840 Harrison Ave
Boston, MA 02118
(617) 638-6610
fax (617) 638-6616
Mailing address
801 Albany St Fl G
Boston, MA 021193791

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
February 16, 2022
Year of graduation
1990 — 36 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
Massachusetts #230051
Medicaid
MA #110075061A

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316986904. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
368
Distinct HCPCS
10
Medicare allowed
$32,679
HCPCS Description Services Patients Avg allowed
78815 Nuclear medicine study from skull base to mid-thigh with ct scan 143 129 $120
78452 Nuclear medicine studies of heart muscle at rest and with stress and spect 55 55 $80
78803 Nuclear medicine study, spect imaging, 1 area or single acquisition, single day imaging 53 52 $53
71260 Ct scan of chest with contrast 21 19 $57
78431 Nuclear medicine studies of blood flow in heart muscle at rest and with stress with concurrent ct scan 20 20 $93
74177 Ct scan of abdomen and pelvis with contrast 14 12 $93
78816 Nuclear medicine study whole body with ct scan 14 13 $121
78306 Nuclear medicine study of bone and/or joint whole body 13 11 $41
70491 Ct scan of soft tissue of neck with contrast 12 12 $70
78264 Nuclear medicine study of stomach to assess emptying 12 12 $40

In context: peer comparison

Among 231 peers in Boston Diagnostic Radiology Physician, average services per provider: 259. This provider delivers 1.4× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gustavo Mercier's medical specialty?
Dr. Gustavo Mercier practices Diagnostic Radiology Physician in Boston, MA.
Where does Dr. Gustavo Mercier practice?
Dr. Gustavo Mercier practices at 840 Harrison Ave, Boston, MA 02118. Office phone: 6176386610.
What is Dr. Gustavo Mercier's NPI?
Dr. Gustavo Mercier's National Provider Identifier (NPI) is 1316986904, issued by NPPES.
Does Dr. Gustavo Mercier accept Medicare assignment?
Yes. Dr. Gustavo Mercier accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gustavo Mercier commonly perform?
Top Medicare-reported procedures in 2023: Nuclear medicine study from skull base to mid-thigh with ct scan (HCPCS 78815); Nuclear medicine studies of heart muscle at rest and with stress and spect (HCPCS 78452); Nuclear medicine study, spect imaging, 1 area or single acquisition, single day imaging (HCPCS 78803). Source: CMS Medicare Physician & Other Practitioners file.