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

Mrs. Mary Elizabeth O'Boyle Willis, FNP

Individual provider Family Nurse Practitioner · NPI 1003035148

Mrs. Mary Elizabeth O'Boyle Willis, FNP is a Nurse Practitioner in Richmond, Virginia. Qualified in 2005, 21 years ago. Practices with Dreem Sleep Clinic PA, a 10-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in California and Virginia.

Years since qualifying
21
Licensed in
CA, VA
In the registry since
2007
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1250 E Marshall St Dept OF Pediatrics
Richmond, VA 23298-5051
Phone: (804) 628-0189
Fax: (804) 828-6301
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 611 Gateway Blvd Ste 120, South San Francisco, CA 94080-7066 — (650) 761-4056

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 95014800 (CA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 0024167014 (VA)

Record details

NPI number1003035148
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedApril 25, 2007
Last updated in NPPESFebruary 13, 2026
Certification dateFebruary 13, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2005 (21 years in practice)
Group practice Dreem Sleep Clinic Pa — 10 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

Other providers in Richmond