Gustavo Mercier, MD PHD
NPI 1316986904 · Diagnostic Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gustavo Mercier, MD PHD is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1316986904).
Provider details
- NPI number
- 1316986904
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD PHD
- Sex
- Male
- Sole proprietor
- No
- License
- 230051 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,184 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 599 | $115 |
| Nuclear Medicine Study Whole Body With Ct Scan78816 | 254 | $117 |
| Nuclear Medicine Study From Skull Base to Mid-Thigh With Ct Scan78815 | 114 | $116 |
| Nuclear Medicine Study of Bone And/Or Joint Whole Body78306 | 59 | $39 |
| Nuclear Medicine Study of Bone And/Or Joint Whole Body78306 | 32 | $39 |
| Nuclear Medicine Study Whole Body With Ct Scan78816 | 28 | $118 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-06-06
- Last updated
- 2022-02-16
- Certified
- 2022-02-16
Frequently asked questions
- What is Gustavo Mercier's NPI number?
- Gustavo Mercier's National Provider Identifier (NPI) is 1316986904, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gustavo Mercier's specialty?
- Gustavo Mercier is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Gustavo Mercier located?
- Gustavo Mercier's practice location on file with NPPES is 840 Harrison Ave, Boston, MA 02118.
- What is Gustavo Mercier's phone number?
- The practice phone number listed in the NPPES registry for Gustavo Mercier is (617) 638-6610.
- Does Gustavo Mercier accept Medicare?
- Gustavo Mercier is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gustavo Mercier's NPI active?
- Yes — Gustavo Mercier's NPI (1316986904) is active in the NPPES registry as of the last update on 2022-02-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.