Geraldine Callahan, NP in Nashua, NH - Medicare Nurse Practitioner

Geraldine Callahan, NP is a medicare enrolled "Nurse Practitioner" in Nashua, New Hampshire. She graduated from nursing school in 1991 and has 35 years of diverse experience with area of expertise as Nurse Practitioner. She is a member of the group practice Lamora Psychological Associates, P.a. and her current practice location is 39 Simon St Ste 5, Nashua, New Hampshire. You can reach out to her office (for appointments etc.) via phone at (603) 889-8648.

Geraldine Callahan is licensed to practice in Massachusetts (license number 204352) and she also participates in the medicare program. She may accept medicare assignments (which means she may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance) and her NPI Number is 1669865473.

Contact Information

	Geraldine Callahan, NP
	39 Simon St Ste 5, Nashua, NH 03060-3045
	(603) 889-8648
	Not Available

Map and Direction

Provider's Profile

Full Name	Geraldine Callahan
Gender	Female
Speciality	Nurse Practitioner
Experience	35 Years
Location	39 Simon St Ste 5, Nashua, New Hampshire
Accepts Medicare Assignments	May be. She may accept the Medicare-approved amount; you may be billed for more than the Medicare deductible and coinsurance.

Medical Education and Training:

Geraldine Callahan graduated from nursing school in 1991

NPI Data:

NPI Number: 1669865473
Provider Enumeration Date: 03/18/2015
Last Update Date: 05/15/2026

Medicare PECOS Information:

PECOS PAC ID: 3577509553
Enrollment ID: I20160202000280

Medical Identifiers

Medical identifiers for Geraldine Callahan such as npi, medicare ID, medicare PIN, medicaid, etc.

Identifier	Type	State	Issuer
1669865473	NPI	-	NPPES

Medical Taxonomies and Licenses

Taxonomy	Type	License (State)	Status
363LP0808X	Nurse Practitioner - Psychiatric/mental Health	204352 (Massachusetts)	Secondary
363L00000X	Nurse Practitioner	065522-23 (New Hampshire)	Secondary
363L00000X	Nurse Practitioner	204352 (Massachusetts)	Primary
363LP0808X	Nurse Practitioner - Psychiatric/mental Health	065522-23 (New Hampshire)	Secondary

Group Practice Association

Group Practice Name	Group PECOS PAC ID	No. of Members
Lamora Psychological Associates, P.a.	3072565472	9

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Geraldine Callahan allows following entities to bill medicare on her behalf.

Entity Name	The Mental Health Ctr For Southern New Hampshire
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1003914466 PECOS PAC ID: 4981594199 Enrollment ID: O20040319000063

Entity Name	Lamora Psychological Associates, P.a.
Entity Type	Part B Supplier - Clinic/group Practice
Entity Identifiers	NPI Number: 1407876253 PECOS PAC ID: 3072565472 Enrollment ID: O20050214000811

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Geraldine Callahan is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing Address	Practice Location Address
Geraldine Callahan, NP 39 Simon St Ste 5, Nashua, NH 03060-3045 Ph: (603) 889-8648	Geraldine Callahan, NP 39 Simon St Ste 5, Nashua, NH 03060-3045 Ph: (603) 889-8648

Reviews and Comments

Nurse Practitioner Nurses in Nashua, NH

Katherine Jo Farrell, Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 8 Prospect St, Nashua, NH 03060 Phone: 603-577-2259
Christopher Mark Denslow, FNP-BC Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 38 Tyler St, Nashua, NH 03060 Phone: 734-249-6800
Sara A Shipley, APRN Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 116 Spit Brook Rd, Nashua, NH 03062 Phone: 603-888-5573 Fax: 603-891-6910
Juliana Barbara Ivanof, CPNP-PC Nurse Practitioner Medicare: Medicare Enrolled Practice Location: 280 Main St, Nashua, NH 03060 Phone: 603-594-6030 Fax: 603-594-6045
Carol A Drouin, ARNP Nurse Practitioner Medicare: Medicare Enrolled Practice Location: 7 Prospect St, Nashua, NH 03060 Phone: 603-889-6147 Fax: 603-889-3535
Julia M Stauble, APRN Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 2300 Southwood Dr, Nashua, NH 03063 Phone: 603-577-4300 Fax: 603-640-1228
Sajal Niroula, Nurse Practitioner Medicare: Accepting Medicare Assignments Practice Location: 22 Prospect St, Nashua, NH 03060 Phone: 603-883-1626

Geraldine Callahan, NP - Medicare Nurse Practitioner in Nashua, NH