Dr. Katherine Flagg is a Hingham, Massachusetts based psychologist who is specialized in Psychology. Active license number of Dr. Katherine Flagg is 3399 for Clinical Psychology in Massachusetts. Her current practice location is 160 Old Derby St., Suite 261, Hingham. Patients can reach her at 781-740-4847. Dr. Katherine Flagg is PH.D. PSYCHOLOGIST in Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1225006042.
Dr. Katherine Flagg is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, she performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. She can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.
Complete Profile:
Dr. Katherine Flagg 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. Katherine Flagg |
| Specialization: | Psychology |
| Gender: | Female |
| Credentials: | PH.D. PSYCHOLOGIST |
| Practice Address: | 160 Old Derby St., Suite 261, Hingham,
Massachusetts, 02043 |
| Phone: | 781-740-4847 |
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: | 1225006042 |
| NPI Enumeration Date: | 09 Mar, 2006 |
| NPI Last Update On: | 16 Dec, 2009 |
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. Katherine Flagg are as mentioned below.
| License Number | Specialization | State | Status | |
| 3399 | Clinical Psychology | Massachusetts | Primary | |
| 3399 | Clinical Neuropsychologist | Massachusetts | Secondary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Katherine Flagg such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| 0514535 | 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. Katherine Flagg
160 Old Derby St., Suite 261
Hingham, Massachusetts |
| Zip: | 02043 |
| Phone Number: | 781-740-4847 |
Patients can reach Dr. Katherine Flagg at
160 Old Derby St., Suite 261, Hingham, Massachusetts or can
call to book an appointment on 781-740-4847.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 13 October, 2025.