Doctor profile · Federal record

Dr. William Sauer, M.D.

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

  • NPI 1114248366
  • MIPS 100.0 / 100 · 2023
  • 16 yrs in practice
  • Licensed in 2 states
  • Male
  • Group 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 Drive Suite 200
South Portland, ME 04106

Credentials & registration

NPPES · NUCC
NPI registered
June 2010 — 16 yrs on file
Profile last updated
May 9, 2016
Year of graduation
2010 — 16 yrs since
Specialty taxonomy
207L00000X — NUCC code
State licenses (2)
Maine #MD21066 · California #A133479

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1114248366. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
87
Distinct HCPCS
2
Medicare allowed
$20,609
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 75 30 $252
00731 Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 12 11 $145

In context: peer comparison

Among 42 peers in Portland Anesthesiology Physician, average services per provider: 29. This provider delivers 3.0× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$424
Transactions
3
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Biosense Webster, INC. 1 $386.90
Takeda Pharmaceuticals U.S.A., INC. 1 $21.27
Hikma Pharmaceuticals USA 1 $16.30

By nature of payment

Travel and Lodging
$387
Food and Beverage
$38

Frequently asked questions

Auto-generated from federal data
What is Dr. William Sauer's medical specialty?
Dr. William Sauer practices Anesthesiology Physician in Portland, ME.
Where does Dr. William Sauer practice?
Dr. William Sauer practices at 22 Bramhall St, Portland, ME 041023134. Office phone: 2076622526.
What is Dr. William Sauer's NPI?
Dr. William Sauer's National Provider Identifier (NPI) is 1114248366, issued by NPPES.
Does Dr. William Sauer accept Medicare assignment?
Dr. William Sauer does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. William Sauer 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.