Psychologist | Cognitive & Behavioral Psychology

William D. Charmak, PHD

19 Tyler St Ste 103, Nashua, New Hampshire, 03060-2951

About William D. Charmak

William D. Charmak is a psychologist based in Nashua, New Hampshire who is specialized in Cognitive & Behavioral Psychology. Active license number of William D. Charmak is 1533 for Clinical Psychology in New Hampshire. His current practice location is 19 Tyler St Ste 103, Nashua. Patients can contact him at 603-577-5375 or can fax him at 603-577-5609. William D. Charmak, PHD, specializes in Cognitive & Behavioral Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1710078068.

William D. Charmak has variety of professional responsibilities, including assessment (identifying, diagnosing, and conceptualizing problems experienced by individuals or groups), intervention (creating, implementing and evaluating interventions designed to induce positive change) and consultation. Cognitive Behavioral Psychologists also participates in research, education, training, and clinical practice including a range of issues and populations.

Practice Information

William D. Charmak's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name William D. Charmak
Specialization Cognitive & Behavioral Psychology
Credentials PHD
Gender Male
Practice Address: 19 Tyler St Ste 103,
Nashua, NH - 03060-2951
Fax 603-577-5609

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1710078068
NPI Enumeration Date: 28 Sep, 2006
NPI Last Update On: 24 Apr, 2023

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for William D. Charmak are as mentioned below.

License NumberSpecializationStateStatus
1533Clinical Psychology New HampshirePrimary
03296Cognitive & Behavioral Psychology MarylandSecondary
03296Clinical Psychology MarylandSecondary
03296Counseling Psychology MarylandSecondary

Other Medical Identifiers

Other professional identifiers associated with William D. Charmak such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
152136OtherMarylandVALUE OPTIONS
5339652OtherMarylandAETNA
36140013OtherMarylandCAREFIRST DC
3162004OtherMarylandUBH/ONE NET/MAMSI
54622502OtherMarylandCAREFIRST BCBS

Mailing Address

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

William D. Charmak
Po Box 3677,
Nashua, NH - 03061-3677
Phone: 603-577-7900
Fax: 603-577-7972

Book an Appointment with William D. Charmak

To schedule an appointment, contact William D. Charmak at 19 Tyler St Ste 103, Nashua, New Hampshire or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William D. Charmak:

William D. Charmak is a psychologist specializing in Clinical Psychology. He is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, William D. Charmak is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

William D. Charmak practices at 19 Tyler St Ste 103, Nashua, New Hampshire, 03060-2951.

To schedule an appointment with William D. Charmak, please contact the office at 603-577-5375.

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