Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.
DR. MARY ELLEN O'BRIEN, NMD, FNP
Active Sole ProprietorDR. MARY ELLEN O'BRIEN, NMD, FNP is a Family Nurse Practitioner healthcare provider located in TEMPE, Arizona. NPI 1285750240 is currently active in the NPPES registry. Verify at CMS.
Family Nurse Practitioner · TEMPE, AZ
Registration Details
- NPI Number
- 1285750240
- Provider Type
- Individual
- Gender
- Female
- NPI Issued
- Mar 22, 2007 (19.377464031778 yrs)
- Last Updated
- Sep 11, 2025
- Licenses
-
97-514 (AZ)RN087042 (AZ)
- Sole Proprietor
- Yes
Practice Information
- Address
-
2127 E BASELINE RDSUITE 103TEMPE, AZ, 852831537Browse AZ providers · Browse ZIP 85283
- Phone
- 4804911716
- Fax
- 4804915920
- Primary Specialty
-
Family Nurse Practitioner
363LF0000X
- Additional Specialty
- Family Nurse Practitioner
Other Family Nurse Practitioner Providers in TEMPE, AZ
| Name | Credential | NPI |
|---|---|---|
| ANN M TRACY | A.P.R.N | 1184628521 |
| MICHELE M FLANAGAN | NP | 1427047687 |
| LINDA C. STOVER | NP | 1972575975 |
| MRS. WENDY LEA MARKOVICH | NP | 1255304184 |
| MRS. GWENDOLYN LLANAS ASTUDILLO-TEE | FNP, RN | 1306899653 |
| EVELYN SANCHEZ TIU | NP | 1083644173 |
Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.