HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / MD

ANTONIETTA E VAILLANCOURT, PA

PHYSICIAN ASSISTANT

Graduated: 2017

NPI: 1811403033

Practice Locations (4)

MEDSTAR URGENT CARE LLC

201 SHOREBIRD ST, SUITE B

FREDERICK, MD 217011962

2404228112

MEDSTAR URGENT CARE LLC

18045 GEORGIA AVE

OLNEY, MD 208322237

3017748026

MEDSTAR URGENT CARE LLC

3064 WALDORF MARKET PL

WALDORF, MD 206034871

3019325960

MEDSTAR URGENT CARE LLC

11915 GEORGIA AVE

WHEATON, MD 209022065

3019424505

Source: CMS National Downloadable File, September 2026.