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

Margaret A Greven, MD

Individual provider Ophthalmology Physician · NPI 1821380874

Margaret A Greven, MD is an Ophthalmology in Winston Salem, North Carolina. Qualified in 2011, 15 years ago. Practices with Wake Forest University Health Sciences, a 2,621-clinician group and accepts Medicare assignment. Licensed in North Carolina.

Years since qualifying
15
Licensed in
NC
In the registry since
2011
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Medical Center Blvd Dept OF Ophthalmology
Winston Salem, NC 27157-3216
Phone: (336) 716-4091
Show map & directions

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

Specialties & licences

Ophthalmology Physician (primary) Taxonomy 207W00000X · Licence 2017-01126 (NC)

Record details

NPI number1821380874
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 10, 2011
Last updated in NPPESJuly 21, 2022

Medicare enrollment

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

Medicare specialtyOPHTHALMOLOGY
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Wake Forest University Health Sciences — 2621 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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