Physician Profile
Unclaimed ProfileAbout O'BRIEN
Listed in the NPI registry as a certified registered nurse anesthetist (crna), Mark O'Brien practises in Plymouth, MN. Mark is also listed as specialising in registered nurse and certified registered nurse anesthetist.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What kind of doctor is Dr. O'Brien?
Dr. O'Brien is a certified registered nurse anesthetist (crna) in Plymouth, MN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CERTIFIED REGISTERED NURSE ANESTHETIST (CRNA)”.
NPI registry
What is Dr. O'Brien's address?
Dr. 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
How can I make an appointment with Dr. O'Brien?
The number on file is (612) 751-7531. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. O'Brien?
Dr. 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
Where did Dr. O'Brien train?
Dr. O'Brien attended Other, graduating in 2023. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. O'Brien have?
Dr. O'Brien has 3 years experience. Calculated from a graduation year of 2023, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. O'Brien perform?
According to Medicare billing data, Dr. 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
Is Dr. O'Brien's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (612) 751-7531
- Email not available
Practice Locations
11505 39TH AVE N
Plymouth, MN 55441
Procedures Most Often Billed to Medicare
29 services · 28 patients · 2 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope | Anaesthesia | 00731 |
18 |
| Anesthesia for procedure to assess heart electrical activity | Anaesthesia | 00537 |
11 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other certified registered nurse anesthetists in Plymouth 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2023 at Other 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope 8
Providers in MN who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.