Doctor profile · Federal record

Dr. Mark Thorndike, MD

Surgery Physician · Anchorage, AK

  • NPI 1124051743
  • MIPS 82.1 / 100 · 2023
  • 20 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4315 Diplomacy Dr
Anchorage, AK 995085926
(907) 563-2662

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
September 23, 2008
Specialty taxonomy
208600000X — NUCC code
State license (1)
Alaska #4270
Medicaid
AK #MD0356

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124051743. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
117
Distinct HCPCS
5
Medicare allowed
$22,286
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 42 38 $89
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 40 40 $331
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 12 12 $92
99214 Established patient office or other outpatient visit, 30-39 minutes 12 12 $131
45378 Diagnostic exam of large bowel using a flexible endoscope 11 11 $240

In context: peer comparison

Among 14 peers in this city , average services per provider: 29. This provider delivers 4.0× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Mark Thorndike's medical specialty?
Dr. Mark Thorndike practices Surgery Physician in Anchorage, AK.
Where does Dr. Mark Thorndike practice?
Dr. Mark Thorndike practices at 4315 Diplomacy Dr, Anchorage, AK 995085926. Office phone: 9075632662.
What is Dr. Mark Thorndike's NPI?
Dr. Mark Thorndike's National Provider Identifier (NPI) is 1124051743, issued by NPPES.
What procedures does Dr. Mark Thorndike commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239). Source: CMS Medicare Physician & Other Practitioners file.