Tammy Lewis, Nurse Practitioner, PMHNP-BC

Practice Context in IntroTherapy

• • IntroTherapy lists 287 mental health practices in Frederick. Tammy Lewis, Nurse Practitioner, PMHNP-BC is one of them.
• • 6,790 practices statewide in Maryland are tracked in our directory.
• • 945 practices in Maryland list ADHD as a focus area.
• • 31 practices in Frederick accept EmblemHealth.
• • Typical mental health service compensation in Maryland: $47,000 – $92,000 (median $61,000). 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 May 2026.