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

Anna Sullivan Overby

Individual provider Internal Medicine Physician · NPI 1285073395

Anna Sullivan Overby practises Internal Medicine in Winston Salem, North Carolina. Qualified in 2013, 13 years ago. Practices with Fletcher Hospital Inc, a 301-clinician group and accepts Medicare assignment. Licensed in North Carolina and Virginia.

Years since qualifying
13
Licensed in
NC, VA
In the registry since
2013
Specialties on file
2
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Practice location Address checks out

3333 Silas Creek Pkwy
Winston Salem, NC 27103-3013
Phone: (336) 718-7080
Fax: (336) 718-9622
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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 2016-00984 (NC)
Internal Medicine Physician Taxonomy 207R00000X · Licence 0116026109 (VA)

Record details

NPI number1285073395
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJune 21, 2013
Last updated in NPPESOctober 25, 2020
Certification dateSeptember 6, 2020

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Also practisesHOSPITALIST
Medical schoolOTHER
Graduated 2013 (13 years in practice)
Group practice Fletcher Hospital Inc — 301 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients234
Services billed 686 a service is one billed item, such as a visit, a test or a procedure
Average patient age77

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

  • Advent Health Polk Hospital · Columbus, NC
  • Adventhealth Hendersonville Hospital · Hendersonville, NC
  • Memorial Mission Hospital And Asheville Surgery Ce Hospital · Asheville, NC
  • Four Seasons The Care You Trust Hospice · Flat Rock, NC

Colleagues at Fletcher Hospital Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 301 clinicians in the practice; 12 are shown here.

Other providers in Winston Salem