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- 853 Broadway, Suite 1401, New York, NY 10003
About Irwin Flachner
Listed in the NPI registry as a clinical social worker, Irwin J. Flachner, LCSW practices in New York, NY. According to Medicare claims data, the services billed most often include psychotherapy, 1 hour. NPI 1093801391 identifies this record in the national registry.
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
- (212) 673-6153
- Email not available
Practice Locations
853 BROADWAY SUITE 1401
New York, NY 10003
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
Mind-body therapies
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
Parenting support
Relationship services
Relationship Therapy
Remote care
Short-term interventions
Specialized interventions
Support services
Trauma Treatments
Procedures Most Often Billed to Medicare
544 services · 18 patients · 1 distinct code
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
544 | More 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.
Other clinical social workers at this location 8
Same specialty, same street address — most likely the same department or group.
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.
More connections — 30 related providers in 4 groups
Other clinical social workers in New York 7
Same specialty, same city.
Trained at Other 7
Other providers in the same specialty who trained at the same institution.
Class of 1978 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 kind of doctor is Irwin J. Flachner?
Irwin J. Flachner is a clinical social worker in New York, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Irwin J. Flachner's address?
Irwin J. Flachner is listed at 853 Broadway Suite 1401, New York, NY 10003. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Irwin J. Flachner?
The number on file is (212) 673-6153. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Irwin J. Flachner?
Irwin J. Flachner's National Provider Identifier is 1093801391. 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 Irwin J. Flachner train?
Irwin J. Flachner attended Other, graduating in 1978. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Irwin J. Flachner have?
Irwin J. Flachner has 48 years experience. Calculated from a graduation year of 1978, reported in the CMS National Downloadable File.
CMS public data
What procedures does Irwin J. Flachner perform?
According to Medicare billing data, Irwin J. Flachner provides treatments such as psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Irwin J. Flachner's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Irwin J. Flachner. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.