Efren Flores, MD
NPI 1982730628 · Diagnostic Radiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Diagnostic Radiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Efren Flores, MD is a Diagnostic Radiology Physician provider in Boston, MA (NPI 1982730628).
Provider details
- NPI number
- 1982730628
- Entity type
- Individual
- Primary specialty
- Diagnostic Radiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 230925 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
19 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
1,857 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) |
|---|---|---|
| X-Ray of Chest, 1 View71045 | 1,067 | $9 |
| Ct Scan of Chest With Contrast71260 | 202 | $56 |
| Ct Scan of Chest Without Contrast71250 | 188 | $53 |
| X-Ray of Chest, 2 Views71046 | 131 | $11 |
| Ct Scan of Chest With Contrast71260 | 96 | $65 |
| Ct Scan of Chest Without Contrast71250 | 53 | $64 |
| Ct Scan of Blood Vessels of Chest With Contrast71275 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-26
- Last updated
- 2010-02-24
Frequently asked questions
- What is Efren Flores's NPI number?
- Efren Flores's National Provider Identifier (NPI) is 1982730628, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Efren Flores's specialty?
- Efren Flores is listed in the NPPES registry with a primary specialty of Diagnostic Radiology Physician (Allopathic & Osteopathic Physicians).
- Where is Efren Flores located?
- Efren Flores's practice location on file with NPPES is Massachusetts General Hospital, Boston, MA 02114.
- What is Efren Flores's phone number?
- The practice phone number listed in the NPPES registry for Efren Flores is (617) 724-4255.
- Does Efren Flores accept Medicare?
- Efren Flores is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Efren Flores's NPI active?
- Yes — Efren Flores's NPI (1982730628) is active in the NPPES registry as of the last update on 2010-02-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.