Doctor profile · Federal record

Dr. William Sumner, MD

Anesthesiology Physician (CMS: Anesthesiology) · Anesthesiology Physician · Portland, OR

  • NPI 1033646997
  • Accepts Medicare
  • MIPS 80.7 / 100 · 2023
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
3181 Sw Sam Jackson Park RD
Portland, OR 972393011
(503) 494-7641
fax (503) 494-4661
Additional location
169 Ashley Ave Rm 202
Charleston, SC 294258905
(843) 792-2322
Mailing address
1400 Sw 5Th Ave Ste 500
Portland, OR 972015537

Credentials & registration

NPPES · NUCC
NPI registered
May 2017 — 9 yrs on file
Profile last updated
August 5, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Oregon #MD209999 · South Carolina #40921

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033646997. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
59
Distinct HCPCS
2
Medicare allowed
$10,202
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 41 24 $212
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 18 18 $85

In context: peer comparison

Among 123 peers in this city , average services per provider: 22. This provider delivers 2.7× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. William Sumner's medical specialty?
Dr. William Sumner practices Anesthesiology Physician in Portland, OR.
Where does Dr. William Sumner practice?
Dr. William Sumner practices at 3181 Sw Sam Jackson Park RD, Portland, OR 972393011. Office phone: 5034947641.
What is Dr. William Sumner's NPI?
Dr. William Sumner's National Provider Identifier (NPI) is 1033646997, issued by NPPES.
Does Dr. William Sumner accept Medicare assignment?
Yes. Dr. William Sumner accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Sumner commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope (HCPCS 00731). Source: CMS Medicare Physician & Other Practitioners file.