Provider Profile

Marissa Wat, RN, MSN

Unclaimed Profile

About Marissa Wat

Marissa Wat, RN, MSN is a certified registered nurse anesthetist based in San Francisco, CA. Marissa is also listed as specializing in registered nurse. According to Medicare claims data, Marissa cared for 253 Medicare patients across 256 services. The services billed most often include anesthesia for other procedure on large bowel using an endoscope, anesthesia for exam of colon using an endoscope, and anesthesia for other procedure on esophagus, stomach, or upper small 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.

Education & Training

School Other Graduated: 2014

Specialty

Certified Registered Nurse Anesthetist (Primary)
Certified Registered Nurse Anesthetist (Additional)

Credentials & Licensing

CA license639926
CA license95000265
NPI1023411642
NPI issued09/28/2014

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

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 is Marissa Wat, RN's specialty?

Marissa Wat, RN is a certified registered nurse anesthetist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry.

NPI registry

Where can I find Marissa Wat, RN?

Marissa Wat, RN is listed at 505 Parnassus Ave, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Marissa Wat, RN?

The number on file is (415) 476-9000. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Marissa Wat, RN's NPI number?

Marissa Wat, RN's National Provider Identifier is 1023411642. 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

What is Marissa Wat, RN's education?

Marissa Wat, RN attended Other, graduating in 2014. This comes from the CMS National Downloadable File.

CMS public data

How long has Marissa Wat, RN been practicing?

Marissa Wat, RN has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.

CMS public data

What is Marissa Wat, RN known for?

According to Medicare billing data, Marissa Wat, RN provides treatments such as anesthesia for other procedure on large bowel using an endoscope and anesthesia for exam of colon using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Marissa Wat, RN confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Marissa Wat, RN. 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.