Provider Profile
Alison Lager-Schirmer, C.S.W., C.A.S.A.C.
Unclaimed ProfileAbout Alison Lager-Schirmer
Alison Lager-Schirmer, C.S.W., C.A.S.A.C. is a clinical social worker based in Wantagh, NY. According to Medicare claims data, Alison cared for 74 Medicare patients across 859 services. The services billed most often include psychotherapy, 1 hour and psychiatric diagnostic evaluation. The provider's National Provider Identifier (NPI) is 1336325554.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (516) 221-2123
- Email not available
Practice Locations
3408 PARK AVE
Wantagh, NY 11793
Concerns and Conditions Addressed
Within Clinical Social Worker generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
Abuse & safety
Abuse & Trauma
Anxiety & Phobias
Behavioral health
Child & adolescent
Child & Adolescent
Crisis & safety
Dissociative Disorders
Eating & body image
Family & Relationships
Grief & Loss
Health & Medical Adjustment
Health & wellness
Identity & sexuality
Intimacy & Sex
Life Changes
Life transitions
Mood & Depression
Mood & emotional health
Neurodevelopmental
Neurodivergence
Perinatal Mental Health
Personality disorders
Relationships & family
Reproductive mental health
Sleep
Substance use
Work & Identity
Procedures & services
Most searched procedures
Addiction & Recovery
Addiction services
Alternative Modalities
Behavioral therapies
- Acceptance and commitment therapy
- Anger management
- Dialectical behavior therapy (DBT)
- Exposure and response prevention (ERP)
- Habit reversal training
- Prolonged exposure therapy
- Sleep counseling
- Social skills training
Behavioral Therapies
Care coordination
Child & adolescent
Cognitive therapies
Creative & Expressive
Crisis services
Evaluations & Assessments
Evaluations & letters
Expressive therapies
Family Therapy
Group interventions
Group Programs
Health Psychology
Individual Therapy
Insight therapies
Integrative therapies
Legal & evaluations
Mind-body therapies
Parenting support
Relationship services
Relationship Therapy
Remote care
Short-term interventions
Specialized interventions
Support services
Trauma Treatments
Procedures Most Often Billed to Medicare
859 services · 74 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
825 | More than most peers in Clinical Social Worker |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
34 | More often than most peers in Clinical Social Worker |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 5
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other clinical social workers in Wantagh 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 1 hour 8
Providers in NY who bill this service to Medicare most often.
Common questions
What does Alison Lager-Schirmer, C.S.W. specialize in?
Alison Lager-Schirmer, C.S.W. is a clinical social worker in Wantagh, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Alison Lager-Schirmer, C.S.W. located?
Alison Lager-Schirmer, C.S.W. is listed at 3408 Park Ave, Wantagh, NY 11793. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Alison Lager-Schirmer, C.S.W.'s phone number?
The number on file is (516) 221-2123. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Alison Lager-Schirmer, C.S.W.'s NPI number?
Alison Lager-Schirmer, C.S.W.'s National Provider Identifier is 1336325554. 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
Where did Alison Lager-Schirmer, C.S.W. train?
Alison Lager-Schirmer, C.S.W. attended Other, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Alison Lager-Schirmer, C.S.W. been practicing?
Alison Lager-Schirmer, C.S.W. has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Alison Lager-Schirmer, C.S.W. do most often?
According to Medicare billing data, Alison Lager-Schirmer, C.S.W. provides treatments such as psychotherapy, 1 hour and psychiatric diagnostic evaluation. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Alison Lager-Schirmer, C.S.W. confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Alison Lager-Schirmer, C.S.W.. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.