Doctor profile · Federal record

Dr. Mark Hershey, MD

Anesthesiology Physician (CMS: Critical Care (Intensivists)) · Critical Care Medicine (Anesthesiology) Physician · Critical Care Medicine (Anesthesiology) Physician · Anesthesiology Physician · Newton, MA

  • NPI 1396776878
  • Accepts Medicare
  • 41 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
2014 Washington St, Dept of Anesthesia
Newton, MA 02462
(617) 243-6298
fax (617) 243-6184
Additional location
123 Medical Center Dr
Brunswick, ME 040112652
(207) 373-6000

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
April 28, 2025
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Massachusetts #78943 · Maine #MD23627
Medicaid
MA #3093441

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1396776878. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
93
Distinct HCPCS
5
Medicare allowed
$15,984
HCPCS Description Services Patients Avg allowed
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 26 26 $65
01402 Anesthesia for procedure for total knee joint replacement 23 23 $279
00811 Anesthesia for other procedure on large bowel using an endoscope 18 18 $122
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 14 14 $127
01214 Anesthesia for total hip replacement 12 12 $326

In context: peer comparison

Among 21 peers in this city , average services per provider: 24. This provider delivers 3.9× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Hershey's medical specialty?
Dr. Mark Hershey practices Anesthesiology Physician in Newton, MA.
Where does Dr. Mark Hershey practice?
Dr. Mark Hershey practices at 2014 Washington St, Newton, MA 02462. Office phone: 6172436298.
What is Dr. Mark Hershey's NPI?
Dr. Mark Hershey's National Provider Identifier (NPI) is 1396776878, issued by NPPES.
Does Dr. Mark Hershey accept Medicare assignment?
Yes. Dr. Mark Hershey accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Mark Hershey commonly perform?
Top Medicare-reported procedures in 2023: Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) (HCPCS 64447); Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811). Source: CMS Medicare Physician & Other Practitioners file.