Physician Profile

Johanna M. O'Connor, M.D.

Unclaimed Profile

About Dr. O'connor

Based in Westwood, MA, Johanna M. O'Connor, M.D. is listed in the NPI registry under anesthesiology. Medicare claims data shows Johanna provided 108 services to 107 patients. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope, and anesthesia for procedure on small and large bowel using an endoscope.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.

Education & Training

School Other Graduated: 1993

Specialty

Anesthesiology (Primary)

Credentials & Licensing

MA license203472
NPI1558471961
NPI issued08/30/2006

License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.

Medicare information

Accepts Medicare assignmentYes
Medicare opt-outNo
Can order and refer in MedicareYes

Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.

Common questions

What kind of doctor is Johanna M. O'Connor?

Johanna M. O'Connor is an anesthesiologist in Westwood, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

What is Johanna M. O'Connor's address?

Johanna M. O'Connor is listed at 690 Canton St Suite 325, Westwood, MA 02090. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How can I make an appointment with Johanna M. O'Connor?

The number on file is (781) 407-7713. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Johanna M. O'Connor?

Johanna M. O'Connor's National Provider Identifier is 1558471961. 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 Johanna M. O'Connor train?

Johanna M. O'Connor attended Other, graduating in 1993. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Johanna M. O'Connor have?

Johanna M. O'Connor has 33 years experience. Calculated from a graduation year of 1993, reported in the CMS National Downloadable File.

CMS public data

What procedures does Johanna M. O'Connor perform?

According to Medicare billing data, Johanna M. O'Connor provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for other procedure on esophagus, stomach, or upper small bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Is Johanna M. O'Connor's profile verified?

Not yet. This profile is built from public federal data and has not been confirmed by Johanna M. O'Connor. If this is you, claiming it is free.

Guide.md

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.