Provider Profile
Lissa A. Grossman, LCSW is a mental health counselor based in Norwalk, CT. Lissa is also listed as specializing in addiction & substance abuse counselor. According to Medicare claims data, Lissa cared for 110 Medicare patients across 592 services. The services billed most often include psychotherapy, 30 minutes, group psychotherapy, and psychiatric diagnostic evaluation.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
77 SUNRISE HILL RD
Norwalk, CT 06851
Within Mental Health Counselor generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Most searched conditions
Abuse & relationships
Addiction
Addiction & Substance Use
Anxiety
Behavioral
Children & teens
Eating & Body Image
Health & chronic care
Life transitions
Maternal mental health
Mood
Mood & Emotion
Obsessive-compulsive
Personality & Identity
Personality & stress
Relationships
Sensory
Sleep
Stress & Life Events
Trauma
Most searched procedures
Addiction care
Assessment & Evaluation
Behavioral Therapy
Children & family
Counseling & Coaching
Couples & marriage
Experiential therapy
Grief & loss
Identity & lifestyle
Life & career
Maternal care
Mind-Body & Somatic
Psychotherapy
Specialized Modality
Support & Group
Trauma treatments
592 services · 110 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 30 minutes | Treatment | 90832 |
517 | More often than most peers in Mental Health Counselor |
| Group psychotherapy | Treatment | 90853 |
51 | Less often than most peers in Mental Health Counselor |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
24 | More often than most peers in Mental Health Counselor |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Lissa A. Grossman is a mental health counselor in Norwalk, CT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Lissa A. Grossman is listed at 77 Sunrise Hill Rd, Norwalk, CT 06851. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (917) 658-9589. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Lissa A. Grossman's National Provider Identifier is 1548858848. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Lissa A. Grossman attended Other, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
Lissa A. Grossman has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Lissa A. Grossman provides treatments such as psychotherapy, 30 minutes and group psychotherapy. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Lissa A. Grossman. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.