DR. CHARLES DUNCAN MASSEY PSY.D.
NPI 1952531709
Psychologist in Livermore, CA

Active since July 14, 2009PECOS Enrolled
300 PULLMAN ST BLDG B, LIVERMORE, CA 94551(925) 457-5250 Get Directions Write a Review

NPPES record last updated: January 20, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jan 20, 2022, Dec 22, 2020 (2 updates tracked since 2020).

  • Individual
  • Male
  • Psychologist
  • PECOS Enrolled

About CHARLES MASSEY

This page provides the complete NPI Profile along with additional information for Charles Massey, a provider established in Livermore, California with a medical specialization in Psychologist. The healthcare provider is registered in the NPI registry with number 1952531709 assigned on July 2009. The practitioner's primary taxonomy code is 103T00000X with license number PSY32099 (CA). The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1952531709 Verify this NPI
Provider Name
DR. CHARLES DUNCAN MASSEY PSY.D.
Gender
Male
Entity Type
Individual
Location Address
300 PULLMAN ST BLDG B LIVERMORE, CA 94551
Location Phone
(925) 457-5250
Mailing Address
300 PULLMAN ST BLDG B LIVERMORE, CA 94551
Is Sole Proprietor?
Yes
Enumeration Date
07-14-2009
Last Update Date
01-20-2022
Code Navigator

A psychologist like Charles Massey studies cognitive, emotional, social processes and behavior by observing, interpreting, and recording how people relate to one another and to their environments. Psychologists gather information and evaluate behavior through controlled laboratory experiments, psychoanalysis, psychotherapy or through personality, performance, aptitude, or intelligence tests, and use this information when testing theories in their research or when treating patients.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Psychologist

Taxonomy Code
103T00000X
Type
Behavioral Health & Social Service Providers
License No.
PSY32099
License State
CA
Taxonomy Description
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of 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; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.

Medicare Participation & PECOS Enrollment Status

Charles Massey is enrolled in PECOS and is eligible to order or refer health care services for Medicare patients. The provider is eligible to order or refer: Durable Medical Equipment (DME).

What is PECOS?
PECOS is the online Medicare enrollment management system or Provider, Enrollment, Chain and Ownership System. The PECOS system is a database of providers who have registered with CMS as providers or suppliers. PECOS is the primary source of information about verified Medicare professionals. Providers that want to participate in this program need to enroll in PECOS with their NPI number to avoid denied claims.

  • Is the provider registered in PECOS? Yes

  • Eligible to Order or Refer Part B Clinical Laboratory and Imaging: No

  • Eligible to Order or Refer Durable Medical Equipment (DMEPOS): Yes

  • Eligible to Order or Refer a Home Health Agency (HHA): No

  • Eligible to Order or Refer Power Mobility Devices: No

Reviews for DR. CHARLES DUNCAN MASSEY PSY.D.

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Other Providers at the Same Location


The following 14 providers are registered at the same or a nearby location.

Pharmacist (Ambulatory Care)
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Pharmacist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Marriage & Family Therapist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Marriage & Family Therapist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Pharmacist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Pharmacist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Marriage & Family Therapist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Marriage & Family Therapist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Marriage & Family Therapist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Marriage & Family Therapist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Marriage & Family Therapist
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Social Worker (Clinical)
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551
Counselor (Mental Health)
300 PULLMAN ST BLDG B
LIVERMORE, CA 94551

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952531709, enumerated as an "individual" on July 14, 2009.

The provider is located at 300 PULLMAN ST BLDG B LIVERMORE, CA 94551 and the phone number is (925) 457-5250.

Psychologist with taxonomy code 103T00000X.