Physician Profile

Justin Larson, M.D.

Unclaimed Profile

About Dr. Larson

Justin Larson, M.D. is a healthcare provider in Stony Brook, NY specializing in emergency medicine. Justin trained at University of Florida College of Medicine, graduating in 2017. According to Medicare claims data, Justin cared for 644 Medicare patients across 656 services. The services billed most often include emergency department visit with high level of medical decision making, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and emergency department visit with moderate level of medical decision making.

Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.

Specialty

Emergency Medicine (Primary)
Emergency Medicine (Additional)

Credentials & Licensing

IL license036150740
IN license01083756A
NPI1952833816
NPI issued03/30/2017

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 Justin Larson specialize in?

Justin Larson is an emergency physician in Stony Brook, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where is Justin Larson located?

Justin Larson is listed at 101 Nicolls Rd, Stony Brook, NY 11794. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Justin Larson's phone number?

The number on file is (631) 689-8333. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Justin Larson's NPI number?

Justin Larson's National Provider Identifier is 1952833816. 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 Justin Larson train?

Justin Larson attended University of Florida College of Medicine, graduating in 2017. This comes from the CMS National Downloadable File.

CMS public data

How long has Justin Larson been practicing?

Justin Larson has 9 years experience. Calculated from a graduation year of 2017, reported in the CMS National Downloadable File.

CMS public data

What does Justin Larson do most often?

According to Medicare billing data, Justin Larson provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Justin Larson confirmed this information?

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