Dr. Mary Ellen O'brien
NMD, FNP | Nurse Practitioner
2127 E Baseline Rd, Suite 103, Tempe
Arizona, 85283-1537
480-491-1716
Dr. Mary Ellen O'brien is a Tempe, Arizona based nurse practitioner who is specialized as Nurse Practitioner nurse. Active license number of Dr. Mary Ellen O'brien is RN087042 for Family in Arizona. Her current practice location is 2127 E Baseline Rd, Suite 103, Tempe. Patients can reach her at 480-491-1716 or can fax her at 480-491-5920. Dr. Mary Ellen O'brien is NMD, FNP with specialization in Nurse Practitioner and her NPI number (Unique professional ID assigned by NPPES) is 1285750240.
Dr. Mary Ellen O'brien has completed additional training beyond basic nursing education and provides primary health care services in accordance with state nurse practice laws or statutes. NPs are trained to assess patient needs, order and interpret diagnostic and laboratory tests, diagnose disease, formulate and prescribe medications and treatment plans.
Complete Profile:
Dr. Mary Ellen O'brien speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Mary Ellen O'brien |
| Specialization: | Nurse Practitioner Nurse Practitioner (NP) |
| Gender: | Female |
| Credentials: | NMD, FNP |
| Practice Address: | 2127 E Baseline Rd, Suite 103, Tempe,
Arizona, 85283-1537 |
| Phone: | 480-491-1716 |
| Fax: | 480-491-5920 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1285750240 |
| NPI Enumeration Date: | 22 Mar, 2007 |
| NPI Last Update On: | 11 Sep, 2025 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Mary Ellen O'brien are as mentioned below.
| License Number | Specialization | State | Status | |
| RN087042 | Family | Arizona | Primary | |
| 97-514 | Naturopath | Arizona | Secondary | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Mary Ellen O'brien
8325 E Keim Dr,
Scottsdale, Arizona |
| Zip: | 85250-5847 |
| Phone Number: | 480-481-7872 |
Patients can reach Dr. Mary Ellen O'brien at
2127 E Baseline Rd, Suite 103, Tempe, Arizona or can
call to book an appointment on 480-491-1716.
Comments/ Reviews:
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.