Psychiatrist | Addiction Psychiatry | 42+ years experience

Gerardo Gonzalez-haddad, M.D.

100 Century Dr, Worcester, Massachusetts, 01606-1244

About Gerardo Gonzalez-haddad

Gerardo Gonzalez-haddad is a psychiatrist based in Worcester, Massachusetts with 42 years of experience in Addiction Psychiatry. He completed his graduation in 1984. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Gerardo Gonzalez-haddad is 236025 for Psychiatry in Massachusetts. His current practice location is 100 Century Dr, Worcester. Patients can contact him at 508-762-5400 or can fax him at 508-762-5410. Gerardo Gonzalez-haddad, M.D., specializes in Addiction Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1720168271.

Gerardo Gonzalez-haddad focuses on evaluation and treatment of individuals with alcohol, drug, or other substance-related disorders, and of individuals with dual diagnosis of substance-related and other psychiatric disorders.

Practice Information

Gerardo Gonzalez-haddad'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 Gerardo Gonzalez-haddad
Specialization Addiction Psychiatry
Credentials M.D.
Accepts Medicare Assignment Yes
Experience 42+ years
Graduation Year 1984
Gender Male
Practice Address: 100 Century Dr,
Worcester, MA - 01606-1244
Fax 508-762-5410

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.

PAC ID 1052485034
Enrollment ID I20080808000651
NPI Number1720168271
NPI Enumeration Date: 17 Oct, 2006
NPI Last Update On: 24 Nov, 2020

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 Gerardo Gonzalez-haddad are as mentioned below.

License NumberSpecializationStateStatus
236025Psychiatry MassachusettsPrimary
236025Addiction Psychiatry MassachusettsSecondary

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which Gerardo Gonzalez-haddad is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Umass Memorial Medical Group Inc (4284539891)1733

Other Medical Identifiers

Other professional identifiers associated with Gerardo Gonzalez-haddad such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
110079917AMedicaidMassachusetts

Mailing Address

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

Gerardo Gonzalez-haddad
Po Box 415348,
Boston, MA - 02241-5348
Phone: 800-225-8885
Fax: 508-334-1977

Book an Appointment with Gerardo Gonzalez-haddad

To schedule an appointment, contact Gerardo Gonzalez-haddad at 100 Century Dr, Worcester, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Gerardo Gonzalez-haddad:

Gerardo Gonzalez-haddad is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Gerardo Gonzalez-haddad has approximately 42 years of experience in Psychiatry.

Yes, Gerardo Gonzalez-haddad accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Gerardo Gonzalez-haddad 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.

Gerardo Gonzalez-haddad practices at 100 Century Dr, Worcester, Massachusetts, 01606-1244.

To schedule an appointment with Gerardo Gonzalez-haddad, please contact the office at 508-762-5400.

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