About the Practice
Therapist & Marriage Counseling: Frederick, MD | Dr. Robert F.
Category
Couples Therapy
Practice Context in IntroTherapy
- • IntroTherapy lists 287 mental health practices in Frederick. Robert F. Mannis, Ph.D is one of them.
- • 6,790 practices statewide in Maryland are tracked in our directory.
- • 263 practices in Maryland list Couples Therapy as a focus area.
- • Typical psychologist compensation in Maryland: $84,000 – $158,000 (median $97,000). Source: BLS OEWS, state cost-of-labor adjusted.
Data compiled from U.S. state licensing boards, NPI public registry, and verified practice listings. Mental health is a YMYL topic — we prioritize licensed, verified providers only. Methodology & sources · Updated July 2026.
Reviews & Ratings
4.7
14 total reviews
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Robert F. Mannis, Ph.D