Doctor profile · Federal record

Dr. Marco Loi, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Waltham, MA

  • NPI 1083970495
  • Accepts Medicare
  • MIPS 67.2 / 100 · 2023
  • 14 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1440 Main St
Waltham, MA 024511631
(781) 891-9300
fax (781) 891-9305
Mailing address
Po Box 1849
Lewiston, ME 042411849

Credentials & registration

NPPES · NUCC
NPI registered
April 2012 — 14 yrs on file
Profile last updated
January 23, 2014
Year of graduation
2012 — 14 yrs since
Specialty taxonomy
367500000X — NUCC code
State license (1)
Massachusetts #RN274270

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1083970495. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
28
Distinct HCPCS
2
Medicare allowed
$5,257
HCPCS Description Services Patients Avg allowed
01402 Anesthesia for procedure for total knee joint replacement 16 16 $282
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 12 12 $63

In context: peer comparison

Among 2 peers in this city , average services per provider: 19. This provider delivers 1.5× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Marco Loi's medical specialty?
Dr. Marco Loi practices Certified Registered Nurse Anesthetist in Waltham, MA.
Where does Dr. Marco Loi practice?
Dr. Marco Loi practices at 1440 Main St, Waltham, MA 024511631. Office phone: 7818919300.
What is Dr. Marco Loi's NPI?
Dr. Marco Loi's National Provider Identifier (NPI) is 1083970495, issued by NPPES.
Does Dr. Marco Loi accept Medicare assignment?
Yes. Dr. Marco Loi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Marco Loi commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447). Source: CMS Medicare Physician & Other Practitioners file.