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Edit this profileListed in the NPI registry as a certified registered nurse anesthetist, Mark O'Brien practices in Plymouth, MN. Mark is also listed as specializing in registered nurse. Medicare claims data shows Mark provided 29 services to 28 patients. The services billed most often include anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for procedure to assess heart electrical activity. NPI 1124796545 identifies this record in the national registry.
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.
11505 39TH AVE N
Plymouth, MN 55441
Within Certified Registered Nurse Anesthetist generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Acute Pain
Anxiety & Phobias
Face & Jaw
Head & Face
Joint Pain
Joints & Soft Tissue
Maternity
Mental Health
Nerve Pain
Pain
Pelvic & Abdominal
Sedation & Phobias
Spine & Back
Consultations
General Anesthesia
Infusion Therapy
Injections
Joint Injections
Joints & Soft Tissue
Maternity
Nerve Blocks
Pain Management
Pain Relief Procedures
Sedation
Specialized Care
Surgical Pain Relief
Vascular Access
29 services · 28 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
18 | As often as other peers in Certified Registered Nurse… |
| Anesthesia for procedure to assess heart electrical activity | Anaesthesia | 00537 |
11 | Less often than most peers in Certified Registered Nurse… |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Mark O'Brien is a certified registered nurse anesthetist in Plymouth, MN. That is the designation recorded for this NPI in the federal registry.
NPI registry
Mark O'Brien is listed at 11505 39Th Ave N, Plymouth, MN 55441. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (612) 751-7531. Contact the office directly to confirm availability and scheduling.
NPI registry
Mark O'Brien's National Provider Identifier is 1124796545. 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
Mark O'Brien attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
Mark O'Brien has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Mark O'Brien provides treatments such as anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope and anesthesia for procedure to assess heart electrical activity. 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 Mark O'Brien. If this is you, claiming it is free.
Guide.md
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