Doctor profile · Federal record

Dr. Oona O'Neill, MD

Gynecology Physician (CMS: Obstetrics/Gynecology) · Obstetrics & Gynecology Physician · Winston Salem, NC

  • NPI 1174565444
  • Accepts Medicare
  • 24 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
Medical Center Blvd
Winston Salem, NC 271570001
(336) 716-2255
fax (336) 716-6937
Mailing address
Po Box 344
Winston Salem, NC 271020344

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
December 8, 2010
Year of graduation
2002 — 24 yrs since
Specialty taxonomy
207VG0400X — NUCC code
State licenses (2)
North Carolina #2007-01715 · North Carolina #2007-01607
Medicaid (4)
VA #1174565444 · SC #Q07009 · WV #3810010644 · NC #5908248

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1174565444. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
39
Distinct HCPCS
1
Medicare allowed
$2,456
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 39 34 $63

In context: peer comparison

Among 2 peers in Winston Salem Gynecology Physician, average services per provider: 32. This provider delivers 1.2× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
125
Patients
40
Total drug cost
$24,489
Drug Type Claims Patients Total cost
Estradiol Generic 50 26 $5,125
Premarin (Estrogens, Conjugated) Brand 39 14 $17,954
Escitalopram Oxalate Generic 12 0 $42
Progesterone (Progesterone, Micronized) Brand 12 0 $340
Valacyclovir (Valacyclovir Hcl) Brand 12 0 $1,028

Frequently asked questions

Auto-generated from federal data
What is Dr. Oona O'Neill's medical specialty?
Dr. Oona O'Neill practices Gynecology Physician in Winston Salem, NC.
Where does Dr. Oona O'Neill practice?
Dr. Oona O'Neill practices at Medical Center Blvd, Winston Salem, NC 271570001. Office phone: 3367162255.
What is Dr. Oona O'Neill's NPI?
Dr. Oona O'Neill's National Provider Identifier (NPI) is 1174565444, issued by NPPES.
Does Dr. Oona O'Neill accept Medicare assignment?
Yes. Dr. Oona O'Neill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oona O'Neill commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.