Dr. Mark George Janczewski, MD, MPH
Preventive Medicine/Occupational Environmental Medicine
NPI: 1124022843 Virginia
76/100
Good — Trusted
Trust Score based on license status, disciplinary record, board certification, experience, and data freshness.
Score Breakdown
License Status15/30
unknown
Disciplinary Record25/25
0 action(s)
Board Certification15/20
Not verified
Years in Practice15/15
21 years
Data Freshness6/10
Updated 301 days ago
License Status
FloridaActive
License #
175967
Issued
Aug 1, 2025
Expires
Jan 31, 2028
Practice Information
- Address
- 425 S PAYNE ST
- ALEXANDRIA, VA 22314
- Phone
- (703) 994-7637
- In Practice Since
- June 9, 2005
- Data Last Updated
- September 3, 2025
NPI Details
- NPI Number
- 1124022843
- Status
- Active
- Taxonomy Code
- 2083P0500X
Data sourced from CMS NPPES public database. Last verified: September 3, 2025.
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