Psychologist | Clinical Psychology

Dr. Gregg D Jacobs, PH.D.

85 Prescott St, Worcester, Massachusetts, 01605-2610

About Dr. Gregg D Jacobs

Dr. Gregg D Jacobs is a psychologist based in Worcester, Massachusetts 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 contact him at 508-793-4958 or can fax him at 508-334-8127. Dr. Gregg D Jacobs, PH.D., specializes 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.

Practice Information

Dr. Gregg D Jacobs'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 Dr. Gregg D Jacobs
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 85 Prescott St,
Worcester, MA - 01605-2610
Fax 508-334-8127

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 Number1326133604
NPI Enumeration Date: 04 Oct, 2006
NPI Last Update On: 25 Jan, 2017

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 Dr. Gregg D Jacobs are as mentioned below.

License NumberSpecializationStateStatus
4595Clinical Psychology MassachusettsPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Gregg D Jacobs such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
0520152MedicaidMassachusetts
110023549AMedicaidMassachusetts

Mailing Address

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

Dr. Gregg D Jacobs
Po Box 415348,
Boston, MA - 02241-5348
Phone: 800-225-8885
Fax: 508-334-1977

Book an Appointment with Dr. Gregg D Jacobs

To schedule an appointment, contact Dr. Gregg D Jacobs at 85 Prescott St, Worcester, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Gregg D Jacobs:

Dr. Gregg D Jacobs 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, Dr. Gregg D Jacobs 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.

Dr. Gregg D Jacobs practices at 85 Prescott St, Worcester, Massachusetts, 01605-2610.

To schedule an appointment with Dr. Gregg D Jacobs, please contact the office at 508-793-4958.

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