Doctor profile · Federal record
Dr. Karen Nielsen
Anesthesiology Physician (CMS: Anesthesiology) · Durham, NC
- NPI 1902980816
- Accepts Medicare
- 31 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2100 Erwin RD
Durham, NC 277100001
(919) 620-4467
Credentials & registration
- NPI registered
- October 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Year of graduation
- 1995 — 31 yrs since
- Specialty taxonomy
- 207L00000X — NUCC code
- State license (1)
- North Carolina #99-01092
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1902980816. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
160
Distinct HCPCS
8
Medicare allowed
$20,326
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
00400 |
Anesthesia for other procedure on skin of arms, legs, and front body | 46 | 45 | $96 | |
01610 |
Anesthesia for procedure on nerves, muscles, tendons, fascia, and bursae of shoulder and underarm | 27 | 27 | $196 | |
00300 |
Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | 24 | 24 | $109 | |
01480 |
Anesthesia for other procedure on lower leg, ankle, and foot bones | 15 | 15 | $185 | |
00320 |
Anesthesia for other procedure on neck area (1 year or older) | 13 | 13 | $152 | |
00910 |
Anesthesia for other procedure on urinary system through urethra | 12 | 12 | $72 | |
00918 |
Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope | 12 | 12 | $108 | |
00902 |
Anesthesia for procedure on anus and rectum | 11 | 11 | $99 |
In context: peer comparison
Among 55 peers in Durham Anesthesiology Physician, average services per provider: 28. This provider delivers 5.7× the peer median.Frequently asked questions
What is Dr. Karen Nielsen's medical specialty?
Dr. Karen Nielsen practices Anesthesiology Physician in Durham, NC.
Where does Dr. Karen Nielsen practice?
Dr. Karen Nielsen practices at 2100 Erwin RD, Durham, NC 277100001. Office phone: 9196204467.
What is Dr. Karen Nielsen's NPI?
Dr. Karen Nielsen's National Provider Identifier (NPI) is 1902980816, issued by NPPES.
Does Dr. Karen Nielsen accept Medicare assignment?
Yes. Dr. Karen Nielsen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Anesthesia for other procedure on skin of arms, legs, and front body (HCPCS 00400); Anesthesia for procedure on nerves, muscles, tendons, fascia, and bursae of shoulder and underarm (HCPCS 01610); Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back (HCPCS 00300). Source: CMS Medicare Physician & Other Practitioners file.