Provider Profile
Karen Nielsen is a healthcare provider in Durham, NC specializing in anesthesiology. According to Medicare claims data, Karen cared for 248 Medicare patients across 254 services. The services billed most often include anesthesia for lens surgery, anesthesia for other procedure on skin of arms, legs, and front body, and anesthesia for procedure on nerves, muscles, tendons, fascia, and bursae of shoulder and underarm. This provider record is associated with NPI 1902980816.
Factual summary compiled by Guide.md from public records; not written by this provider.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
2100 ERWIN RD
Durham, NC 27710
Within Anesthesiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Anesthesia complications
Back & spine
Chronic pain
Facial & jaw pain
General pain
Head & facial pain
Headaches
Joint pain
Mental health
Muscle pain
Musculoskeletal pain
Nerve pain
Pelvic pain
Post-surgery recovery
Sedation & anesthesia
Spine pain
Ablation
Head & facial procedures
Implants & devices
Infusion therapies
Infusion therapy
Joint injections
Muscle injections
Nerve blocks
Nerve injections
Nerve procedures
Pain relief procedures
Regional anesthesia
Sedation
Sedation & anesthesia
Spine injections
Spine procedures
254 services · 248 patients · 11 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for lens surgery | Anaesthesia | 00142 |
53 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on skin of arms, legs, and front body | Anaesthesia | 00400 |
33 | More than most peers in Anesthesiology |
| Anesthesia for procedure on nerves, muscles, tendons, fascia, and bursae of shoulder and underarm | Anaesthesia | 01610 |
31 | More than most peers in Anesthesiology |
| Anesthesia for other procedure on skin, muscles, or nerves of head, neck, and upper back | Anaesthesia | 00300 |
21 | More often than most peers in Anesthesiology |
| Anesthesia for procedure on nerves, muscles, tendons, and tissue of forearm, wrist, and hand | Anaesthesia | 01810 |
20 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on urinary system through urethra | Anaesthesia | 00910 |
20 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on eye | Anaesthesia | 00140 |
19 | As often as other peers in Anesthesiology |
| Anesthesia for other procedure on lower leg, ankle, and foot bones | Anaesthesia | 01480 |
16 | More often than most peers in Anesthesiology |
| Anesthesia for fragmenting, manipulation and/or removal of kidney stone including use of an endoscope | Anaesthesia | 00918 |
16 | More often than most peers in Anesthesiology |
| Anesthesia for other procedure on neck area (1 year or older) | Anaesthesia | 00320 |
14 | As often as other peers in Anesthesiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Karen Nielsen is an anesthesiologist in Durham, NC. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.
NPI registry
Karen Nielsen is listed at 2100 Erwin Rd, Durham, NC 27710. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (919) 620-4467. Contact the office directly to confirm availability and scheduling.
NPI registry
Karen Nielsen's National Provider Identifier is 1902980816. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Karen Nielsen attended Other, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
Karen Nielsen has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Karen Nielsen provides treatments such as anesthesia for lens surgery and anesthesia for other procedure on skin of arms, legs, and front body. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Karen Nielsen. If this is you, claiming it is free.
Guide.md
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