Doctor profile · Federal record

Dr. Nathan Marengi, MD

Anesthesiology Physician (CMS: Anesthesiology) · Boston, MA

  • NPI 1093978975
  • Accepts Medicare
  • 18 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 Washington St
Boston, MA 021111552
(617) 636-5000
Mailing address
52 Cooper St, #4
Boston, MA 021131627

Credentials & registration

NPPES · NUCC
NPI registered
July 2008 — 18 yrs on file
Profile last updated
July 3, 2012
Year of graduation
2008 — 18 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #237113

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1093978975. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
202
Distinct HCPCS
10
Medicare allowed
$31,629
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 39 39 $74
36620 Insertion of artery tube for blood sampling or infusion through skin 35 34 $45
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 24 23 $76
93313 Insertion of probe in esophagus for heart ultrasound 20 20 $12
00840 Anesthesia for other procedure on lower abdomen 17 17 $208
00410 Anesthesia for procedure to correct abnormal heart rhythm 15 15 $99
00813 Anesthesia for procedure on small and large bowel using an endoscope 14 14 $94
01402 Anesthesia for procedure for total knee joint replacement 14 14 $197
00562 Anesthesia for procedure on heart and large blood vessels using heart-lung machine (1 year or older) 12 12 $1,199
01922 Anesthesia for x-ray or radiation therapy 12 11 $134

In context: peer comparison

Among 267 peers in this city , average services per provider: 32. This provider delivers 6.3× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Nathan Marengi's medical specialty?
Dr. Nathan Marengi practices Anesthesiology Physician in Boston, MA.
Where does Dr. Nathan Marengi practice?
Dr. Nathan Marengi practices at 800 Washington St, Boston, MA 021111552. Office phone: 6176365000.
What is Dr. Nathan Marengi's NPI?
Dr. Nathan Marengi's National Provider Identifier (NPI) is 1093978975, issued by NPPES.
Does Dr. Nathan Marengi accept Medicare assignment?
Yes. Dr. Nathan Marengi accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nathan Marengi commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Insertion of artery tube for blood sampling or infusion through skin (HCPCS 36620); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.