Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Mark R Slack, MD

Individual provider Anesthesiology Physician · NPI 1679508618

Mark R Slack, MD is an Anesthesiology Physician in Manassas, Virginia. Licensed in Virginia. Registered with an NPI since 2006.

Licensed in
VA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

8700 Sudley Rd
Manassas, VA 20110-4418
Phone: (703) 369-8000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Anesthesiology Physician (primary) Taxonomy 207L00000X · Licence 0101044713 (VA)

Record details

NPI number1679508618
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 11, 2006
Last updated in NPPESFebruary 15, 2017
Mailing address3100 Spring Forest Rd, Ste 130, Raleigh, NC 27616-2880

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