Physician Profile

Unclaimed Profile

About JANCZEWSKI

Based in Alexandria, VA, Mark George Janczewski, MD, MPH is listed in the NPI registry under preventive medicine — preventive/occupational. Mark is also listed as specialising in family medicine and preventive medicine.

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

Areas of Expertise

Preventive Medicine — Preventive/Occupational (Primary)
Family Medicine (Additional)
Preventive Medicine (Additional)
Preventive Medicine (Additional)

Common questions

What is Dr. Janczewski's specialty?

Dr. Janczewski is a preventive medicine in Alexandria, VA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Preventive Medicine — Preventive/Occupational”.

NPI registry

Where can I find Dr. Janczewski?

Dr. Janczewski is listed at 425 S PAYNE ST, Alexandria, VA 22314. Addresses come from the NPI registry and can lag a move, so confirm before travelling.

NPI registry

How do I contact Dr. Janczewski?

The number on file is (703) 994-7637. Guide.md cannot book appointments or pass on messages — please call the office directly.

NPI registry

What is the NPI for Dr. Janczewski?

Dr. Janczewski's National Provider Identifier is 1124022843. 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

How much experience does Dr. Janczewski have?

Dr. Janczewski has 21+ years experience. Registered with an NPI since 2005. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.

NPI registry

Is Dr. Janczewski's profile verified?

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

Guide.md

Licensing & Certification

VA license0101041106
NPI1124022843
NPI issued06/09/2005

Source: NPPES NPI Registry

Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.