Doctor profile · Federal record

Dr. Brian Callahan, CRNA

Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Sioux Falls, SD

  • NPI 1770530511
  • Accepts Medicare
  • 21 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
800 E 21St St
Sioux Falls, SD 571051016
(605) 322-6400
fax (605) 322-6499

Credentials & registration

NPPES · NUCC
NPI registered
May 2006 — 20 yrs on file
Profile last updated
February 19, 2009
Year of graduation
2005 — 21 yrs since
Specialty taxonomy
367500000X — NUCC code
State licenses (2)
South Dakota #SD-CRNA CR000688 · Minnesota #R1561137
Medicaid (2)
NE #46022474348 · SD #5755900

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1770530511. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$18
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Merck Sharp & Dohme LLC 1 $17.58

By nature of payment

Food and Beverage
$18

Frequently asked questions

Auto-generated from federal data
What is Dr. Brian Callahan's medical specialty?
Dr. Brian Callahan practices Certified Registered Nurse Anesthetist in Sioux Falls, SD.
Where does Dr. Brian Callahan practice?
Dr. Brian Callahan practices at 800 E 21St St, Sioux Falls, SD 571051016. Office phone: 6053226400.
What is Dr. Brian Callahan's NPI?
Dr. Brian Callahan's National Provider Identifier (NPI) is 1770530511, issued by NPPES.
Does Dr. Brian Callahan accept Medicare assignment?
Yes. Dr. Brian Callahan accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.