Geraldine Callahan
NP | Nurse Practitioner - Psych/Mental Health
39 Simon St Ste 5, Nashua
New Hampshire, 03060-3045
603-889-8648
Geraldine Callahan is a Nashua, New Hampshire based nurse practitioner who is specialized as Psych/Mental Health NP. Active license number of Geraldine Callahan is 204352 for Nurse Practitioner in Massachusetts. Her current practice location is 39 Simon St Ste 5, Nashua. Patients can reach her at 603-889-8648. Geraldine Callahan is NP with specialization in Psych/Mental Health NP and her NPI number (Unique professional ID assigned by NPPES) is 1669865473.
Geraldine Callahan provides a full range of primary mental health care services, including biopsychosocial assessment and diagnosis of patients with mental illness and co-occurring disorders. Treatment modalities include both medication and psychotherapeutic management. Psych/Mental Health Nurse Practitioner (PMHNP) works in a variety of settings, including inpatient, emergency and community-based mental health services.
Complete Profile:
Geraldine Callahan speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Geraldine Callahan |
| Specialization: | Nurse Practitioner - Psych/Mental Health (PMHNP) |
| Gender: | Female |
| Credentials: | NP |
| Practice Address: | 39 Simon St Ste 5, Nashua,
New Hampshire, 03060-3045 |
| Phone: | 603-889-8648 |
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: | 1669865473 |
| NPI Enumeration Date: | 18 Mar, 2015 |
| NPI Last Update On: | 15 May, 2026 |
Medical Licenses:
NPs can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Geraldine Callahan are as mentioned below.
| License Number | Specialization | State | Status | |
| 204352 | Nurse Practitioner | Massachusetts | Primary | |
| 204352 | Psych/Mental Health NP | Massachusetts | Secondary | |
| 065522-23 | Nurse Practitioner | New Hampshire | Secondary | |
| 065522-23 | Psych/Mental Health NP | New Hampshire | 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: | Geraldine Callahan
39 Simon St Ste 5,
Nashua, New Hampshire |
| Zip: | 03060-3045 |
| Phone Number: | 603-889-8648 |
Patients can reach Geraldine Callahan at
39 Simon St Ste 5, Nashua, New Hampshire or can
call to book an appointment on 603-889-8648.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 June, 2026.