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

Margaret Mary O'Connor, GNP-BC

Individual provider Gerontology Nurse Practitioner · NPI 1538202452

Margaret Mary O'Connor, GNP-BC is a Nurse Practitioner in Saint Helena, California. Qualified in 2006, 20 years ago. Practices with Adventist Health Physicians Network, a 632-clinician group, accepts Medicare assignment and offers telehealth. Licensed in California and Florida.

Years since qualifying
20
Licensed in
CA, FL
In the registry since
2007
Specialties on file
3

Practice location Address checks out

6 Woodland Rd Ste 101
Saint Helena, CA 94574-9501
Phone: (707) 963-7028
Fax: (707) 963-7255
Show map & directions

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

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence 95031336 (CA)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence APRN3104612 (FL)
Adult Health Nurse Practitioner Taxonomy 363LA2200X · Licence ARNP3104612 (FL)

Record details

NPI number1538202452
Entity typeIndividual (Type 1)
GenderFemale
Credentials GNP-BC
Sole proprietorNo
NPI enumeratedFebruary 14, 2007
Last updated in NPPESMay 4, 2026
Certification dateMay 4, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2006 (20 years in practice)
Group practice Adventist Health Physicians Network — 632 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services