Dr. Gregg D Jacobs is a Worcester, Massachusetts based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Gregg D Jacobs is 4595 for Clinical Psychology in Massachusetts. His current practice location is 85 Prescott St, Worcester. Patients can reach him at 508-793-4958 or can fax him at 508-334-8127. Dr. Gregg D Jacobs is PH.D. in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1326133604.
Dr. Gregg D Jacobs 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.
Complete Profile:
Dr. Gregg D Jacobs speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Gregg D Jacobs |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PH.D. |
| Practice Address: | 85 Prescott St, Worcester,
Massachusetts, 01605-2610 |
| Phone: | 508-793-4958 |
| Fax: | 508-334-8127 |
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: | 1326133604 |
| NPI Enumeration Date: | 04 Oct, 2006 |
| NPI Last Update On: | 25 Jan, 2017 |
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. Gregg D Jacobs are as mentioned below.
| License Number | Specialization | State | Status | |
| 4595 | Clinical Psychology | Massachusetts | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Gregg D Jacobs such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 0520152 | Medicaid | Massachusetts | |
| 110023549A | 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: | Dr. Gregg D Jacobs
Po Box 415348,
Boston, Massachusetts |
| Zip: | 02241-5348 |
| Phone Number: | 800-225-8885 |
| Fax Number: | 508-334-1977 |
Patients can reach Dr. Gregg D Jacobs at
85 Prescott St, Worcester, Massachusetts or can
call to book an appointment on 508-793-4958.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.