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

Gregory Charles Zwack, MD

Individual provider Otolaryngology Physician · NPI 1104857358

Gregory Charles Zwack, MD is an Otolaryngology in Wilmington, North Carolina. Graduated from Jefferson Medical College of Thomas Jefferson University in 1992, 34 years ago. Practices with Wilmington Health PLLC, a 400-clinician group and accepts Medicare assignment. Licensed in North Carolina.

Years since qualifying
34
Trained at
Jefferson Medical College of Thomas Jefferson University
Licensed in
NC
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

6727 Parker Farm Dr
Wilmington, NC 28405
Phone: (910) 341-3300
Fax: (910) 251-2067
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Otolaryngology Physician (primary) Taxonomy 207Y00000X · Licence 2009-01440 (NC)

Record details

NPI number1104857358
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 6, 2006
Last updated in NPPESJanuary 31, 2019

Medicare enrollment

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

Medicare specialtyOTOLARYNGOLOGY
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 1992 (34 years in practice)
Group practice Wilmington Health Pllc — 400 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations9 on file with Medicare

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