NPI 1124022843
Mark George Janczewski, MDMPH
Practice location
- Address
- 425 S Payne St, Alexandria, VA 22314-5944
- Phone
- (703) 994-7637
Registered specialties (4)
Clinical Informatics Physician
Primary
Preventive Medicine/Occupational Environmental Medicine Physician
Family Medicine Physician
Aerospace Medicine Physician
Registry record
- NPI
- 1124022843
- Entity type
- Individual
- Sex (as registered)
- Male
- NPI issued
- 9 Jun 2005
- Record last updated
- 3 Sep 2025
Reproduced from NPPES, the federal provider registry. The date above is when the provider last updated their own entry, not when we fetched it - a record can be years old and still current in the registry.