Doctor profile · Federal record

Dr. Gary Nissen, MD

Anesthesiology Physician (CMS: Anesthesiology) · Student in an Organized Health Care Education/Training Program · Springfield, OR

  • NPI 1124550520
  • Accepts Medicare
  • 9 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3333 Riverbend Dr
Springfield, OR 974778800
(541) 681-5124
Additional location
925 Seneca St
Seattle, WA 98101
(206) 583-6079
Mailing address
Po Box 7247
Springfield, OR 974750011

Credentials & registration

NPPES · NUCC
NPI registered
April 2017 — 9 yrs on file
Profile last updated
March 22, 2022
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207L00000X — NUCC code
State license (1)
Oregon #MD203881

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1124550520. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
38
Distinct HCPCS
3
Medicare allowed
$6,518
HCPCS Description Services Patients Avg allowed
01402 Anesthesia for procedure for total knee joint replacement 14 14 $287
64448 Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter 13 13 $69
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 11 11 $146

In context: peer comparison

Among 23 peers in this city , average services per provider: 17. This provider delivers 2.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Gary Nissen's medical specialty?
Dr. Gary Nissen practices Anesthesiology Physician in Springfield, OR.
Where does Dr. Gary Nissen practice?
Dr. Gary Nissen practices at 3333 Riverbend Dr, Springfield, OR 974778800. Office phone: 5416815124.
What is Dr. Gary Nissen's NPI?
Dr. Gary Nissen's National Provider Identifier (NPI) is 1124550520, issued by NPPES.
Does Dr. Gary Nissen accept Medicare assignment?
Yes. Dr. Gary Nissen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Nissen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for procedure for total knee joint replacement (HCPCS 01402); Continuous infusion of anesthetic agent and/or steroid into thigh nerve (femoral nerve) through catheter (HCPCS 64448); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.