Dr. Mary Ellen O'Brien, NMD, FNP
Dr. Mary Ellen O'Brien, NMD, FNP is a Naturopath in Tempe, Arizona. Practices as a sole proprietor. Licensed in Arizona.
- Licensed in
- AZ
- 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.
Practice location Address checks out
2127 E Baseline Rd Ste 103Tempe, AZ 85283-1537
Phone: (480) 491-1716
Fax: (480) 491-5920
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Family Nurse Practitioner (primary) | Taxonomy 363LF0000X · Licence RN087042 (AZ) |
|---|---|
| Naturopath | Taxonomy 175F00000X · Licence 97-514 (AZ) |
Record details
| NPI number | 1285750240 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | NMD , FNP |
| Sole proprietor | Yes |
| NPI enumerated | March 22, 2007 |
| Last updated in NPPES | September 11, 2025 |
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