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

Dr. William D Lyday II, MD

Individual provider Gastroenterology Physician · NPI 1134103195

Dr. William D Lyday II, MD is a Gastroenterology in Roswell, Georgia. Graduated from University of North Carolina at Chapel Hill School of Medicine in 1995, 31 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Georgia.

Years since qualifying
31
Trained at
University of North Carolina at Chapel Hill School of Medicine
Licensed in
GA
In the registry since
2005
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

2006 Macy Dr
Roswell, GA 30076-6346
Phone: (404) 257-0000
Fax: (404) 257-1122
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 49859 (GA)

Record details

NPI number1134103195
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 2, 2005
Last updated in NPPESSeptember 26, 2023
Certification dateSeptember 26, 2023

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolUNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL SCHOOL OF MEDICINE
Graduated 1995 (31 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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