Nathan Marengi, MD
NPI 1093978975 · Anesthesiology Physician · Boston, MA
Enrolled with Medicare as Practitioner - Anesthesiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Nathan Marengi, MD is a Anesthesiology Physician provider in Boston, MA (NPI 1093978975).
Provider details
- NPI number
- 1093978975
- Entity type
- Individual
- Primary specialty
- Anesthesiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 237113 (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
17 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
271 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) |
|---|---|---|
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 50 | $71 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 32 | $81 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 32 | $60 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 30 | $192 |
| Anesthesia for X-Ray Or Radiation Therapy01922 | 21 | $170 |
| Anesthesia for Procedure on Small and Large Bowel Using an Endoscope00813 | 18 | $108 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2008-07-09
- Last updated
- 2012-07-03
Frequently asked questions
- What is Nathan Marengi's NPI number?
- Nathan Marengi's National Provider Identifier (NPI) is 1093978975, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nathan Marengi's specialty?
- Nathan Marengi is listed in the NPPES registry with a primary specialty of Anesthesiology Physician (Allopathic & Osteopathic Physicians).
- Where is Nathan Marengi located?
- Nathan Marengi's practice location on file with NPPES is 800 Washington St, Boston, MA 02111-1552.
- What is Nathan Marengi's phone number?
- The practice phone number listed in the NPPES registry for Nathan Marengi is (617) 636-5000.
- Does Nathan Marengi accept Medicare?
- Nathan Marengi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Nathan Marengi's NPI active?
- Yes — Nathan Marengi's NPI (1093978975) is active in the NPPES registry as of the last update on 2012-07-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.