Doctor profile · Federal record
Dr. Heidi Underwood, CRNA
Certified Registered Nurse Anesthetist (CMS: Certified Registered Nurse Anesthetist (CRNA)) · Certified Registered Nurse Anesthetist · Sioux Falls, SD
- NPI 1497174593
- Accepts Medicare
- 12 yrs in practice
- Licensed in 2 states
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1305 W. 18Th Street
Sioux Falls, SD 571175074
(605) 328-6548 - Additional location
-
2305 37Th Ave Sw
Minot, ND 587017669
(701) 857-5000 - Mailing address
-
1305 W 18Th Street, Po Box 5074
Sioux Falls, SD 571175074
Credentials & registration
- NPI registered
- April 2014 — 12 yrs on file
- Profile last updated
- September 24, 2025
- Year of graduation
- 2014 — 12 yrs since
- Specialty taxonomy
- 367500000X — NUCC code
- State licenses (2)
- South Dakota #CR000839 · North Dakota #R48418
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1497174593. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
60
Distinct HCPCS
4
Medicare allowed
$4,562
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00811 |
Anesthesia for other procedure on large bowel using an endoscope | 21 | 21 | $65 | |
00812 |
Anesthesia for exam of colon using an endoscope | 15 | 15 | $48 | |
00142 |
Anesthesia for lens surgery | 13 | 13 | $125 | |
00813 |
Anesthesia for procedure on small and large bowel using an endoscope | 11 | 11 | $78 |
In context: peer comparison
Among 74 peers in Sioux Falls Certified Registered Nurse Anesthetist, average services per provider: 39. This provider delivers 1.5× the peer median.Frequently asked questions
What is Dr. Heidi Underwood's medical specialty?
Dr. Heidi Underwood practices Certified Registered Nurse Anesthetist in Sioux Falls, SD.
Where does Dr. Heidi Underwood practice?
Dr. Heidi Underwood practices at 1305 W. 18Th Street, Sioux Falls, SD 571175074. Office phone: 6053286548.
What is Dr. Heidi Underwood's NPI?
Dr. Heidi Underwood's National Provider Identifier (NPI) is 1497174593, issued by NPPES.
Does Dr. Heidi Underwood accept Medicare assignment?
Yes. Dr. Heidi Underwood accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Heidi Underwood commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on large bowel using an endoscope (HCPCS 00811); Anesthesia for exam of colon using an endoscope (HCPCS 00812); Anesthesia for lens surgery (HCPCS 00142). Source: CMS Medicare Physician & Other Practitioners file.