Doctor profile · Federal record

Dr. Dag Holmsen, M.D.

Anesthesiology Physician (CMS: Anesthesiology) · Waterville, ME

  • NPI 1003862046
  • Accepts Medicare
  • MIPS 92.1 / 100 · 2023
  • 38 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
149 North St
Waterville, ME 049014974
(207) 622-1959
Mailing address
35 Medical Center Pkwy
Augusta, ME 043308160

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
December 18, 2013
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Maine #014378
Medicaid
ME #284140099

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1003862046. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
93
Distinct HCPCS
4
Medicare allowed
$6,065
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 32 32 $66
00811 Anesthesia for other procedure on large bowel using an endoscope 30 30 $63
00142 Anesthesia for lens surgery 20 18 $64
00813 Anesthesia for procedure on small and large bowel using an endoscope 11 11 $73

In context: peer comparison

Among 1 peers in this city , average services per provider: 23. This provider delivers 4.0× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Dag Holmsen's medical specialty?
Dr. Dag Holmsen practices Anesthesiology Physician in Waterville, ME.
Where does Dr. Dag Holmsen practice?
Dr. Dag Holmsen practices at 149 North St, Waterville, ME 049014974. Office phone: 2076221959.
What is Dr. Dag Holmsen's NPI?
Dr. Dag Holmsen's National Provider Identifier (NPI) is 1003862046, issued by NPPES.
Does Dr. Dag Holmsen accept Medicare assignment?
Yes. Dr. Dag Holmsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Dag Holmsen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731); Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.