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

Individual provider Internal Medicine Physician · NPI 1730197591

Louis Kenneth Zweig, MD is an Internal Medicine in Arlington, Virginia. Graduated from Ohio State University College of Medicine in 1998, 28 years ago. Practices with Northern Virginia Family Practice Associates, an 11-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
28
Trained at
Ohio State University College of Medicine
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

2445 Army Navy Dr Ste 400
Arlington, VA 22206-2988
Phone: (703) 379-8879
Fax: (703) 998-6821
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 0101227887 (VA)

Record details

NPI number1730197591
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 4, 2006
Last updated in NPPESMarch 6, 2025
Certification dateMarch 6, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolOHIO STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice Northern Virginia Family Practice Associates — 11 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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