Doctor profile · Federal record

Dr. Karl Hinrichs

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Pain Medicine (Anesthesiology) Physician · Pain Medicine (Anesthesiology) Physician · Student in an Organized Health Care Education/Training Program · Portland, ME

  • NPI 1679935043
  • Accepts Medicare
  • 10 yrs in practice
  • Licensed in 3 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
22 Bramhall St
Portland, ME 041023134
(207) 662-2526
Mailing address
324 Gannett Dr Ste 200
South Portland, ME 041063266

Credentials & registration

NPPES · NUCC
NPI registered
March 2016 — 10 yrs on file
Profile last updated
January 3, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (3)
Maine #MD25293 · New York #311285 · Vermont #042-0015346
Medicaid
ME #1679935043

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1679935043. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
257
Distinct HCPCS
10
Medicare allowed
$24,220
HCPCS Description Services Patients Avg allowed
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 41 40 $78
00811 Anesthesia for other procedure on large bowel using an endoscope 40 40 $76
00104 Anesthesia for electroshock therapy 30 23 $55
01402 Anesthesia for procedure for total knee joint replacement 29 29 $167
00812 Anesthesia for exam of colon using an endoscope 28 28 $61
64447 Injection of anesthetic agent and/or steroid into thigh nerve (femoral nerve) 28 28 $61
01996 Daily hospital management of continuous spinal drug administration 19 18 $61
00670 Anesthesia for extensive surgery on spine 17 16 $303
64415 Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 14 14 $68
00813 Anesthesia for procedure on small and large bowel using an endoscope 11 11 $74

In context: peer comparison

Among 42 peers in Portland Anesthesiology Physician, average services per provider: 29. This provider delivers 8.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Karl Hinrichs's medical specialty?
Dr. Karl Hinrichs practices Anesthesiology Physician in Portland, ME.
Where does Dr. Karl Hinrichs practice?
Dr. Karl Hinrichs practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076622526.
What is Dr. Karl Hinrichs's NPI?
Dr. Karl Hinrichs's National Provider Identifier (NPI) is 1679935043, issued by NPPES.
Does Dr. Karl Hinrichs accept Medicare assignment?
Yes. Dr. Karl Hinrichs accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karl Hinrichs 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 electroshock therapy (HCPCS 00104). Source: CMS Medicare Physician & Other Practitioners file.