Janczewski, Mark George

Janczewski, Mark George is an sole proprietor health care provider with primary practice located at 425 S Payne St , Alexandria VA 22314-5944. He recently has 4 registered licenses in different health care specialties including Allopathic & Osteopathic Physicians / Preventive Medicine/Occupational Environmental Medicine, Allopathic & Osteopathic Physicians / Family Medicine, Allopathic & Osteopathic Physicians / Clinical Informatics, Allopathic & Osteopathic Physicians / Aerospace Medicine. Allopathic & Osteopathic Physicians / Clinical Informatics is his primary health care specialty. Janczewski, Mark George can be contacted via phone (703) 994-7637.

Contact Information

Primary practice address
425 S Payne St Alexandria VA 22314-5944
Phone: (703) 994-7637
Fax:
Website:
Map and Directions

Health care specialties

SpecialtyCodeLicense #State
Allopathic & Osteopathic Physicians / Preventive Medicine/Occupational Environmental Medicine 2083P0500X 0101041106 Virginia
Allopathic & Osteopathic Physicians / Family Medicine 207Q00000X 0101041106 Virginia
Allopathic & Osteopathic Physicians / Clinical Informatics 2083C0008X 0101041106 Virginia
Allopathic & Osteopathic Physicians / Aerospace Medicine 2083A0100X 0101041106 Virginia

Profile Details

NPI number 1124022843
LBN Legal business name Janczewski, Mark George
Credentials MD, MPH
Entity Individual
Sole proprietor 1 Yes
Enumeration date Jun 9th, 2005
Last updated Sep 3rd, 2025 - about last year

1 A sole proprietor/sole proprietorship is an individual, and in that capacity, is qualified for a solitary NPI number. The sole proprietor have to apply for the NPI number using his or her own particular Social Security Number (SSN), instead of Employer Identification Number (EIN) regardless of whether he/she has an EIN.

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Identifiers

StateTypeNumberIssuer
All States NPI 1124022843 NPPES
Virginia Other 0101041106 LICENSE
Virginia Other ME175967 LICENSE

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