Addiction Therapist

Dr. Lars Erling Nielson, MD

170 Middle St, Lancaster, New Hampshire, 03584-3556

About Dr. Lars Erling Nielson

Dr. Lars Erling Nielson is a therapist based in Lancaster, New Hampshire who is specialized in Addiction (Substance Use Disorder) Counselor. Active license number of Dr. Lars Erling Nielson is 8303 for Obstetrics & Gynecology in New Hampshire. His current practice location is 170 Middle St, Lancaster. Patients can reach him at 603-788-2521 or can fax him at 603-788-5027. Dr. Lars Erling Nielson is MD in Addiction (Substance Use Disorder) Counselor and his NPI number (Unique professional ID assigned by NPPES) is 1740267848.

Dr. Lars Erling Nielson is a licensed mental health therapist who help individuals struggling with addiction of alcohol, drug, or other substance use disorder. He helps his clients by manage and overcome the psychological, emotional, and behavioral challenges related to substance use. Counselors also work closely with families and support systems to help them better understand their loved one’s illness. SUD counselors help to promote long-term sobriety, emotional stability, and overall mental wellness for both the individual and their family.

Practice Information

Dr. Lars Erling Nielson speciality, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Lars Erling Nielson
Specialization Addiction (Substance Use Disorder) Counselor
Credentials MD
Gender Male
Practice Address: 170 Middle St,
Lancaster, NH - 03584-3556
Fax 603-788-5027

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 Number1740267848
NPI Enumeration Date: 29 Dec, 2005
NPI Last Update On: 17 Apr, 2019

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Lars Erling Nielson are as mentioned below.

License NumberSpecializationStateStatus
8303Obstetrics & Gynecology New HampshirePrimary
Addiction (Substance Use Disorder) Counselor Secondary

Other Medical Identifiers

Other legacy medical identifiers associated with Dr. Lars Erling Nielson such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
30203801MedicaidNew Hampshire
0001017MedicaidVermont

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Lars Erling Nielson
173 Middle St,
Lancaster, NH - 03584-3508
Phone: 603-788-5029
Fax: 603-788-5607

Book an Appointment with Dr. Lars Erling Nielson

To schedule an appointment, contact Dr. Lars Erling Nielson at 170 Middle St, Lancaster, New Hampshire or call on below stated phone number.

Call to Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Lars Erling Nielson:

Lars Erling Nielson is a therapist specializing in Obstetrics & Gynecology. He An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.

Yes, Lars Erling Nielson is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.

Lars Erling Nielson practices at 170 Middle St, Lancaster, New Hampshire, 03584-3556.

To schedule an appointment with Lars Erling Nielson, please contact the office at 603-788-2521.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.