Physician Profile

Nicholas J. Larsen, DO

Unclaimed Profile

About Dr. Larsen

Nicholas J. Larsen, DO is a healthcare provider in Ogden, UT specializing in anesthesiology. According to Medicare claims data, Nicholas cared for 31 Medicare patients across 31 services. The services billed most often include anesthesia for lens surgery and anesthesia for other procedure on 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

Medical School Other Graduated: 2003

Specialty

Anesthesiology (Primary)
Anesthesiology (Additional)
Anesthesiology (Additional)
Anesthesiology (Additional)
Anesthesiology (Additional)

Credentials & Licensing

UT license7650570-1204
IA licenseDO-07085
MT license148134
OR licenseDO222362
WI license3084-321
NPI1164644464
NPI issued05/03/2007

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 does Dr. Larsen specialize in?

Dr. Larsen is an anesthesiologist in Ogden, UT. That is the designation recorded for this NPI in the federal registry, where it is listed as “Anesthesiology”.

NPI registry

Where is Dr. Larsen located?

Dr. Larsen is listed at 4401 Harrison Blvd, Ogden, UT 84403. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Larsen's phone number?

The number on file is (801) 387-2800. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Larsen's NPI number?

Dr. Larsen's National Provider Identifier is 1164644464. 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. Larsen go to medical school?

Dr. Larsen attended Other, graduating in 2003. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Larsen been practicing?

Dr. Larsen has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Larsen do most often?

According to Medicare billing data, Dr. Larsen provides treatments such as anesthesia for lens surgery and anesthesia for other procedure on large bowel using an endoscope. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Larsen confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Larsen. 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.