Physician Profile

Ellen Marciniak, MD

Unclaimed Profile

About Dr. Marciniak

Based in Baltimore, MD, Ellen Marciniak, MD is listed in the NPI registry under critical care medicine. Ellen graduated from University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) in 2007. Ellen is also listed as specializing in internal medicine. According to Medicare claims data, Ellen cared for 378 Medicare patients across 497 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, critical care, first 30-74 minutes, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes.

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

Specialty

Critical Care Medicine (Primary)
Critical Care Medicine (Additional)

Credentials & Licensing

MD licenseD74874
OH license57.013558
NPI1467643866
NPI issued08/09/2007

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
Telehealth reported to CMSYes
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. Marciniak's specialty?

Dr. Marciniak is a critical care physician in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Critical Care Medicine”.

NPI registry

Where can I find Dr. Marciniak?

Dr. Marciniak is listed at 22 S Greene St, Baltimore, MD 21201. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Marciniak?

The number on file is (410) 328-1512. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is Dr. Marciniak's NPI number?

Dr. Marciniak's National Provider Identifier is 1467643866. 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. Marciniak's medical education?

Dr. Marciniak attended University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb), graduating in 2007. This comes from the CMS National Downloadable File.

CMS public data

How long has Dr. Marciniak been practicing?

Dr. Marciniak has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.

CMS public data

What is Dr. Marciniak known for?

According to Medicare billing data, Dr. Marciniak provides treatments such as test to measure expiratory airflow and volume and test to examine how well the lungs exchange gases, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.

Medicare claims

Has Dr. Marciniak confirmed this information?

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