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Physician Profile

Mark Sieminski, MD

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At a glance

About Dr. Sieminski

Mark Sieminski, MD is a healthcare provider in Cheektowaga, NY specializing in emergency medicine. Mark trained at University of Virginia School of Medicine, graduating in 2005. Medicare claims data shows Mark provided 312 services to 307 patients. 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 critical care, first 30-74 minutes. This provider record is associated with NPI 1003057779.

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

Education & Training

Specialty

Emergency Medicine (Primary)

Credentials & Licensing

IL licenceAs reported to the NPI registry
No. 125051569As reported
NPINational Provider Identifier
1003057779Issued 2009

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 is Dr. Sieminski's specialty?

Dr. Sieminski is an emergency physician in Cheektowaga, NY. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.

NPI registry

Where can I find Dr. Sieminski?

Dr. Sieminski is listed at 305 Cayuga Rd Suite 190, Cheektowaga, NY 14225. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Sieminski?

The number on file is (716) 580-1813. Contact the office directly to confirm availability and scheduling.

NPI registry

What is the NPI for Dr. Sieminski?

Dr. Sieminski's National Provider Identifier is 1003057779. 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 Dr. Sieminski's medical education?

Dr. Sieminski attended University of Virginia School of Medicine, graduating in 2005. This comes from the CMS National Downloadable File.

CMS public data

How much experience does Dr. Sieminski have?

Dr. Sieminski has 21 years experience. Calculated from a graduation year of 2005, reported in the CMS National Downloadable File.

CMS public data

What is Dr. Sieminski known for?

According to Medicare billing data, Dr. Sieminski 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

Is Dr. Sieminski's profile verified?

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

Guide.md

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