Doctor profile · Federal record

Dr. Kenneth Leng, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Newton, MA

  • NPI 1700823440
  • Accepts Medicare
  • 25 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2014 Washington St
Newton, MA 024621607
(617) 243-6298

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
July 10, 2023
Year of graduation
2001 — 25 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Massachusetts #225638

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1700823440. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
81
Distinct HCPCS
5
Medicare allowed
$15,806
HCPCS Description Services Patients Avg allowed
00811 Anesthesia for other procedure on large bowel using an endoscope 25 25 $133
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 20 20 $151
01402 Anesthesia for procedure for total knee joint replacement 13 13 $267
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 12 12 $66
00670 Anesthesia for extensive surgery on spine 11 11 $473

In context: peer comparison

Among 21 peers in this city , average services per provider: 24. This provider delivers 3.4× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Kenneth Leng's medical specialty?
Dr. Kenneth Leng practices Anesthesiology Physician in Newton, MA.
Where does Dr. Kenneth Leng practice?
Dr. Kenneth Leng practices at 2014 Washington St, Newton, MA 024621607. Office phone: 6172436298.
What is Dr. Kenneth Leng's NPI?
Dr. Kenneth Leng's National Provider Identifier (NPI) is 1700823440, issued by NPPES.
Does Dr. Kenneth Leng accept Medicare assignment?
Yes. Dr. Kenneth Leng accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kenneth Leng commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for procedure for total knee joint replacement (HCPCS 01402). Source: CMS Medicare Physician & Other Practitioners file.