Dr. Lars Erling Nielson
MD | Addiction (Substance Use Disorder) Counselor
170 Middle St, Lancaster
New Hampshire, 03584-3556
603-788-2521 603-788-5027
Maps & DirectionsDr. Lars Erling Nielson is a Lancaster, New Hampshire based counselor who is specialized as 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 book an appointment with him at 603-788-2521.
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.
Complete Profile:
Dr. Lars Erling Nielson speciality, credentials, practice address, contact phone number and fax are as below.
Patients can directly walk in or can call on the below given phone number for appointment.
| Name: | Dr. Lars Erling Nielson |
| Specialization: | Addiction (Substance Use Disorder) Counselor |
| Gender: | Male |
| Credentials: | MD |
| Accepts Medicare Assignment: | No |
| Practice Address: | 170 Middle St, Lancaster,
New Hampshire, 03584-3556 |
| Phone: | 603-788-2521 |
| 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 Number: | 1740267848 |
| NPI Enumeration Date: | 29 Dec, 2005 |
| NPI Last Update On: | 17 Apr, 2019 |
Medical Licenses:
Doctors can have 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 Number | Specialization | State | Status | |
| 8303 | Obstetrics & Gynecology | New Hampshire | Primary | |
| 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.
| Identifier | Type | State | Issuer |
| 30203801 | Medicaid | New Hampshire | |
| 0001017 | Medicaid | Vermont | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | 173 Middle St,
Lancaster, New Hampshire |
| Zip: | 03584-3508 |
| Phone Number: | 603-788-5029 |
| Fax Number: | 603-788-5607 |
Patients can reach Dr. Lars Erling Nielson at
170 Middle St, Lancaster, New Hampshire or can
call to book an appointment on 603-788-2521.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.