Gerardo Gonzalez-haddad
M.D. | Addiction Psychiatry | 41+ years Exp
100 Century Dr, Worcester
Massachusetts, 01606-1244
508-762-5400 508-762-5410
Maps & DirectionsGerardo Gonzalez-haddad is a Worcester, Massachusetts based psychiatrist with 41 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 reach him at 508-762-5400 or can fax him at 508-762-5410. Gerardo Gonzalez-haddad is M.D. 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.
Complete Profile:
Gerardo Gonzalez-haddad speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Gerardo Gonzalez-haddad |
| Specialization: | Addiction Psychiatry |
| Gender: | Male |
| Credentials: | M.D. |
| Experience: | 41+ years |
| Medical School Attended: | Other |
| Graduation Year: | 1984 |
| Accepts Medicare Assignment: | Yes |
| Practice Address: | 100 Century Dr, Worcester,
Massachusetts, 01606-1244 |
| Phone: | 508-762-5400 |
| Fax: | 508-762-5410 |
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.
| PAC ID: | 1052485034 |
| Enrollment ID: | I20080808000651 |
| NPI Number: | 1720168271 |
| NPI Enumeration Date: | 17 Oct, 2006 |
| NPI Last Update On: | 24 Nov, 2020 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Gerardo Gonzalez-haddad are as mentioned below.
| License Number | Specialization | State | Status | |
| 236025 | Psychiatry | Massachusetts | Primary | |
| 236025 | Addiction Psychiatry | Massachusetts | Secondary | |
Group Practice:
Group practices are practice of medicine by a group of physicians 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 legacy medical identifiers associated with Gerardo Gonzalez-haddad such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 110079917A | Medicaid | Massachusetts | |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Gerardo Gonzalez-haddad
Po Box 415348,
Boston, Massachusetts |
| Zip: | 02241-5348 |
| Phone Number: | 800-225-8885 |
| Fax Number: | 508-334-1977 |
Patients can reach Gerardo Gonzalez-haddad at
100 Century Dr, Worcester, Massachusetts or can
call to book an appointment on 508-762-5400.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.