Education & Certification

Licensed In
District of Columbia

Graduated From
DePaul University (1978)

National Register Member Since

Gregory Grinc, PhD

I am a licensed psychologist, credentialed as a health service psychologist by the National Register of Health Service Psychologists, a nonprofit organization established in 1974. The National Register credential signifies adherence to the highest standards of professional practice. I provide psychological assessment and treatment along with other preventive and consultative services. For more information on my areas of expertise, ages served, and other practice details, please see below. For more information on the National Register, see Thanks for visiting my profile page!

Practice Characteristics

Areas of Expertise

  • Individual Psychotherapy
  • Depression and Other Mood Disorders (e.g., bipolar disorder, major depression, bereavement)
  • Medical Diagnosis Adjustment (e.g., diabetes, cancer, hypertension, weight issues, other chronic illness)
  • Substance Misuse (e.g., alcohol, nicotine, opiates, stimulants, inhalants)

Ages Served

  • Adults (18-64 yrs.)
  • Older adults (65 yrs. or older)

Treatment Modalities

  • Cognitive Behavioral Therapy
  • Existential/Humanistic/Interpersonal
  • Dialectical Behavior Therapy


    • National Register of Health Service Psychologists

Insurance Plans

  • Medicare
  • CareFirst BlueCross BlueShield
  • Cigna

Contact Information

Primary Contact

1400 20th Street NW Suite 114
Washington, DC 20036-1607
P: 202-331-8484 (Office)
F: 202-478-1717