Provider Profile
Sean M. Hennessey, LMSW
Unclaimed ProfileAbout Sean Hennessey
Sean M. Hennessey, LMSW is an addiction & substance abuse counselor practicing in Staten Island, NY. Sean is also listed as specializing in clinical social worker. Medicare claims data shows Sean provided 371 services to 139 patients. The services billed most often include psychotherapy, 45 minutes, psychiatric diagnostic evaluation, and psychotherapy, 1 hour.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
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.
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
- (718) 948-3232
- Email not available
Practice Locations
3911 RICHMOND AVE
Staten Island, NY 10312
Concerns and Conditions Addressed
Within Addiction & Substance Abuse 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.
Conditions
Behavioral addiction
- Love and Relationship Addiction
- Sports Betting and Crypto Addiction
- Video Game Addiction
- Work Addiction
Behavioral Addictions
- Binge eating
- Gambling Addiction
- Internet and Social Media Addiction
- Porn addiction
- Screen Addiction
- Shopping Addiction
Family & Relationships
Illicit drugs
- Cocaine Addiction
- Ketamine Addiction
- Kratom Addiction
- Nitrous Oxide Abuse
- Psychedelic and Mushroom Abuse
- Synthetic Weed Addiction
Mental Health & Addiction
- Dual Diagnosis
- Trauma and Addiction
Nicotine
- Vaping Addiction
Prescription Drugs
- Adderall and Stimulant Abuse
- Painkiller Addiction
- Sedative, hypnotic, or anxiolytic use disorder
- Sleeping Pill Addiction
Prescription drugs
- Anabolic Steroid Abuse
- Prescription Drug Abuse
- Suboxone Dependence
- Xanax Addiction
Recovery Challenges
- Frequent Relapse
Substance Use
- Alcohol use disorder
- Alcohol Withdrawal Symptoms
- Binge Drinking
- Club Drug Abuse
- Drug addiction
- Fentanyl Addiction
- Heroin Addiction
- Inhalant Abuse
- Marijuana Addiction
- Meth Addiction
- Mixing Drugs and Alcohol
- Opioid use disorder
- Quitting smoking
- Stimulant use disorder
- Teen Substance Abuse
Withdrawal & detox
- Opioid Withdrawal Sickness
Procedures & services
Alternative therapies
- Acupuncture for Detox Support
Assessments & Evaluations
- Court-Ordered Drug Assessment
- DUI and DWI Education Classes
- Substance Abuse Assessment
- Urine Drug Screen
Counseling
- Contingency Management Therapy
- Couples Addiction Counseling
- EMDR for Addiction and Triggers
- Faith-Based Addiction Support
- Matrix Model Therapy
- Mindfulness-Based Cognitive Therapy
- Nicotine Replacement Consultation
Counseling & Therapy
- 12-Step Facilitation
- Addiction Group Therapy
- Adolescent Addiction Counseling
- Anger Management Counseling
- Cognitive Behavioral Therapy for Addiction
- Dialectical Behavior Therapy for Addiction
- Dual Diagnosis Counseling
- Family Addiction Counseling
- Gambling Addiction Therapy
- Harm Reduction Counseling
- Individual Addiction Counseling
- Motivational interviewing
- Online Addiction Counseling
- Relapse Prevention Therapy
- Smoking cessation counseling
- Trauma-Informed Addiction Therapy
Evaluations
- DOT Return-to-Duty Drug Evaluation
Group programs
- SMART Recovery Meeting Facilitation
Harm reduction
- Fentanyl Test Strip Education
Intervention & Support
- Addiction counseling
- Addiction Intervention
- Relapse Emergency Planning
- Sober Living Placement Assistance
Medical & Detox Support
- Detox Referral and Placement
- Medication-Assisted Treatment Support
Medical treatments
- Suboxone Treatment Consultation
- Vivitrol Shot Consultation
Skills & education
- Craving Management Skills Training
- Life Skills Training in Recovery
Support services
- Inpatient Rehab Referral
- Peer Recovery Coaching
Treatment Programs
- Intensive Outpatient Program
- Outpatient Addiction Treatment
- Partial Hospitalization Program Placement
- Rehab Aftercare Planning
Procedures Most Often Billed to Medicare
371 services · 139 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
187 | More often than most peers in Addiction & Substance Abuse… |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
98 | More than most peers in Addiction & Substance Abuse… |
| Psychotherapy, 1 hour | Treatment | 90837 |
86 | Less often than most peers in Addiction & Substance Abuse… |
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 addiction & substance abuse counselors at this location 8
Same specialty, same street address — most likely the same department or group.
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 addiction & substance abuse counselors in Staten Island 7
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 2012 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 45 minutes 8
Providers in NY who bill this service to Medicare most often.
Common questions
What kind of doctor is Sean M. Hennessey?
Sean M. Hennessey is an addiction & substance abuse counselor in Staten Island, NY. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Sean M. Hennessey's address?
Sean M. Hennessey is listed at 3911 Richmond Ave, Staten Island, NY 10312. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Sean M. Hennessey?
The number on file is (718) 948-3232. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Sean M. Hennessey?
Sean M. Hennessey's National Provider Identifier is 1518235175. 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 Sean M. Hennessey train?
Sean M. Hennessey attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Sean M. Hennessey have?
Sean M. Hennessey has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What procedures does Sean M. Hennessey perform?
According to Medicare billing data, Sean M. Hennessey provides treatments such as psychotherapy, 45 minutes and psychiatric diagnostic evaluation. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Sean M. Hennessey's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Sean M. Hennessey. 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.