Cynthia Elizabeth Killough is a Psychologist practicing in Washington, District Of Columbia. The National Provider Identifier (NPI) is #1164636684, which was assigned on May 10, 2007, and the registration record was last updated on September 11, 2025. The practitioner's main practice location is at 1700 Connecticut Ave Nw, Suite 410, Washington, DC 20009-1134; the contact telephone number is 2024831488. The primary taxonomy of Cynthia Elizabeth Killough is Psychologist (103T00000X). Cynthia Elizabeth Killough is licensed to practice in the state of Maryland (#03950), District Of Columbia (#1000221).
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.
| NPI | 1164636684 |
| Entity Type | Individual |
| Provider Name | DR. CYNTHIA ELIZABETH KILLOUGH |
| Gender | Female |
| Credential | PSYD |
| Practice Address |
1700 Connecticut Ave Nw Suite 410 Washington DC 20009-1134 |
| Practice Telephone | 2024831488 |
| Mailing Address |
1704 14th St S Arlington VA 22204-4723 |
| Mailing Telephone | 7039899486 |
| Enumeration Date | 2007-05-10 |
| Last Update Date | 2025-09-11 |
| Is Sole Proprietor | Y |
| PAC ID |
9436463882 Medicare Provider Enrollment and Chain/Ownership System (PECOS) Associate Control (PAC) ID |
| Full Name | CYNTHIA ELIZABETH KILLOUGH |
| Primary Specialty | CLINICAL PSYCHOLOGIST |
| Address |
1700 Connecticut Nwave Washington DC 20009-1169 |
| Primary | Code | Classification | Specialization | Taxonomy Group | License Number | License State |
|---|---|---|---|---|---|---|
| Y | 103T00000X | Psychologist | 03950 | MD | ||
| N | 103TC0700X | Psychologist | Clinical | 1000221 | DC |
| Code | 103T00000X |
| Taxonomy | Psychologist |
| Classification | Psychologist |
| Grouping | Behavioral Health & Social Service Providers |
| Definition: 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. |
| Notes: Source: American Psychological Association [1/1/2007: modified definition] |
| Code | 103TC0700X |
| Taxonomy | Clinical Psychologist |
| Classification | Psychologist |
| Specialization | Clinical |
| Grouping | Behavioral Health & Social Service Providers |
| Definition: A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems. |
| Notes: Source: American Psychological Association, www.apa.org [1/1/2019: new definition] |
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| Street Address |
1700 CONNECTICUT AVE NW SUITE 410 |
| City | WASHINGTON |
| State | DC |
| Zip Code | 20009-1134 |
| Country | US |
| Provider Name | Address | Taxonomy | Enumeration Date |
|---|---|---|---|
| Matthew Dang Fleming | 1700 Connecticut Ave Nw Ste 401, Washington, DC 20009-1169 | Mental Health Counselor | 2007-04-03 |
| Cynthia Joseph | 1700 Connecticut Ave Nw, Suite 401, Washington, DC 20009-1134 | Clinical Social Worker | 2007-05-03 |
| Psychotherapy Associates of The Dmv | 1700 Connecticut Ave Nw Ste 401, Washington, DC 20009-1169 | Psychoanalyst | 2020-09-26 |
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|---|---|---|---|
| Sarah Fairchild Sorvalis | 2437 15th St. Nw, Washington, DC 20009 | Social Worker | 2019-07-02 |
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This dataset includes over five million health care providers who are assigned National Provider Identifier (NPI) in the National Plan and Provider Enumeration System (NPPES), developed by the Centers for Medicare & Medicaid Services (CMS). Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under Health Insurance Portability and Accountability Act (HIPAA). Each provider is registered with the NPI, full name, status, address, taxonomy, other identifiers, etc.
| Subject | Transparency and Disclosure |
| Jurisdiction | Federal |
| Data Provider | National Plan and Provider Enumeration System (NPPES), by the Centers for Medicare & Medicaid Services (CMS) |
| Source | download.cms.gov |
The National Provider Identifier (NPI) is a Health Insurance Portability and Accountability Act (HIPAA) Administrative Simplification Standard. The NPI is a unique identification number for covered health care providers and all health plans and health care clearinghouses, who must use the NPIs in the administrative and financial transactions adopted under HIPAA. The NPI is a 10-position, intelligence-free numeric identifier (10-digit number). All health care providers who are HIPAA-covered entities, whether individuals or organizations, must get an NPI. A HIPAA-covered entity is a health care provider that conducts certain transactions in electronic form, or a health care clearinghouse, or a health plan (including commercial plans, Medicare, and Medicaid). Centers for Medicare & Medicaid Services (CMS) has developed the National Plan and Provider Enumeration System (NPPES) to assign unique identifiers to health care providers. The National Provider Indentifier (NPI) has been the standard identifier for all HIPAA-covered entities (health care providers) since May 23, 2007. Small health plans were required to obtain and use an NPI by May 23, 2008. This dataset includes over five million health care providers (individuals and organizations) who are assigned NPI. The provider data elements are disclosed to the public by the Centers for Medicare & Medicaid Services (CMS) under the Freedom of Information Act (FOIA), as listed in the NPPES Data Dissemination Notice (CMS-6060-N). The NPI final rules define the following elements which required to be disclosed as determined by Department of Health & Human Services (HHS): NPI, Entity Type, Provider Name, Credential, Business Mailing Address, Business Location Address, Healthcare Provider Taxonomy Code, Other Provider Identifier, Provider Enumeration Date, NPI Deactivation Date, Provider License Number, Authorized Official Name and Contact Information. |