Marco Loi, CRNA
NPI 1083970495 · Certified Registered Nurse Anesthetist · Waltham, MA
Enrolled with Medicare as Practitioner - Certified Registered Nurse Anesthetist (crna) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marco Loi, CRNA is a Certified Registered Nurse Anesthetist provider in Waltham, MA (NPI 1083970495).
Provider details
- NPI number
- 1083970495
- Entity type
- Individual
- Primary specialty
- Certified Registered Nurse AnesthetistPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- CRNA
- Sex
- Male
- Sole proprietor
- No
- License
- RN274270 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
14 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
145 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 Procedure on Eyelid00103 | 26 | $164 |
| Anesthesia for Procedure for Total Knee Joint Replacement01402 | 23 | $317 |
| Anesthesia for Other Procedure on Esophagus, Stomach, Or Upper Small Bowel Using an Endoscope00731 | 21 | $80 |
| Injection of Anesthetic Agent And/Or Steroid Into Thigh Nerve (femoral Nerve)64447 | 21 | $61 |
| Anesthesia for Other Procedure on Large Bowel Using an Endoscope00811 | 16 | $98 |
| Anesthesia for Shock Wave Therapy for Urinary System Stones Without Water Bath00873 | 15 | $157 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-04-10
- Last updated
- 2014-01-23
Frequently asked questions
- What is Marco Loi's NPI number?
- Marco Loi's National Provider Identifier (NPI) is 1083970495, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marco Loi's specialty?
- Marco Loi is listed in the NPPES registry with a primary specialty of Certified Registered Nurse Anesthetist (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marco Loi located?
- Marco Loi's practice location on file with NPPES is 1440 Main St, Waltham, MA 02451-1631.
- What is Marco Loi's phone number?
- The practice phone number listed in the NPPES registry for Marco Loi is (781) 891-9300.
- Does Marco Loi accept Medicare?
- Marco Loi is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marco Loi's NPI active?
- Yes — Marco Loi's NPI (1083970495) is active in the NPPES registry as of the last update on 2014-01-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.