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Cathy O'Donnell, APRN


St. Joseph Hospital Family Medicine & Specialty Services - Merrimack

4 Dobson Way,
Merrimack, NH, 03054

Phone: 603-424-4181
Fax: 603-429-0335

Monday - Friday: 8 a.m. to 5 p.m.

New Patients

Accepting New Patients

Phone: 603-884-3007

Cathy O'Donnell, APRN



Graduate School: MSN, Rivier University, Nashua, NH


  • Advanced Practice Registered Nurse – Certified

Additional Information

“So caring, understanding, and patient. Cathy is passionate about her patients and works hard to keep them well (mentally, physically, and socially). My family and I are blessed by her care and are so thankful we found St. Joseph Hospital Family Medicine & Specialty Services in Merrimack.” – Lynn

“Knowledgeable, personably, vested, and caring. She truly cares and understands her patients on an individual level. In addition, fantastic staff.” – Gregg

“Cathy is like a trusted friend who always has your best interest at heart. Her care is always thorough and she follows up to make sure you are at your best. I can’t recommend her enough!” – Bridgid

“Cathy O’Donnell is fantastic, both my daughter and I see her. She is very thoughtful. Takes time to listen to what you are saying and makes you feel like you are being heard. She is knowledgeable and incredibly passionate about her care.” – Eric

“Very happy with my care over the past few years with Cathy O’Donnell and her nurse Kelly. They always go above and beyond! (The entire staff) is always so kind and welcoming, the rooms/offices are always clean and they always get back to you quickly! I would recommend this office to anyone asking/looking.” – Christina

“I have had her since I was a child. Now my baby boy is seeing her. She is simply amazing and I love her dearly. She has gone above and beyond for my family and myself. We love Cathy!” – Aubrey

“I highly recommend Cathy O’Donnell. She takes the time to listen to your concerns. She goes above and beyond at every visit. She is friendly and supportive.” – Kathy

“Always pleasant, always thorough, and on time. I have zero complaints with her.” – William

“It was a great visit. She was attentive to my concerns and spent time to explain everything to me. She was awesome. I highly recommend her!” – Gene

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