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Physician Profile

John F. Sullivan, DO

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At a glance

About Dr. Sullivan

John F. Sullivan, DO practices emergency medicine in Hoffman Estates, IL. John is a 1988 graduate of Chicago College of Osteopathy. According to Medicare claims data, John cared for 438 Medicare patients across 448 services. The services billed most often include emergency department visit with high level of medical decision making, critical care, first 30-74 minutes, and electrocardiogram (ecg) 1 to 3 leads with review by physician only. The provider's National Provider Identifier (NPI) is 1780717108.

Factual summary compiled by Guide.md from public records; not written by this provider.

Education & Training

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

NPINational Provider Identifier
1780717108Issued 2007

As reported to the NPI registry ↗

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. Sullivan specialize in?

Dr. Sullivan is an emergency physician in Hoffman Estates, IL. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where is Dr. Sullivan located?

Dr. Sullivan is listed at 1555 Barrington Rd, Hoffman Estates, IL 60194. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

What is Dr. Sullivan's phone number?

The number on file is (847) 843-2000. Contact the office directly to confirm availability and scheduling.

NPI registry

What is Dr. Sullivan's NPI number?

Dr. Sullivan's National Provider Identifier is 1780717108. 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. Sullivan go to medical school?

Dr. Sullivan attended Chicago College of Osteopathy, graduating in 1988. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Sullivan been practicing?

Dr. Sullivan has 38 years experience. Calculated from a graduation year of 1988, reported in the CMS National Downloadable File.

CMS public data

What does Dr. Sullivan do most often?

According to Medicare billing data, Dr. Sullivan provides treatments such as electrocardiogram 1 to 3 leads with review by physician only, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Sullivan confirmed this information?

Not yet. This profile is built from public federal data and has not been confirmed by Dr. Sullivan. If this is you, claiming it is free.

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