Provider Profile
Mathew Kosik, LMSW, CAADC
Unclaimed ProfileAbout Mathew Kosik
Listed in the NPI registry as a clinical social worker, Mathew Kosik, LMSW, CAADC practices in Grand Rapids, MI. Mathew is also listed as specializing in addiction & substance abuse counselor and social worker. According to Medicare claims data, the services billed most often include psychotherapy, 45 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (616) 559-5896
- Email not available
Practice Locations
300 68TH ST SE
Grand Rapids, MI 49548
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
67 services · 11 patients · 1 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 45 minutes | Treatment | 90834 |
67 | As often as other 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 8
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 Grand Rapids 6
Same specialty, same city.
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 MI who bill this service to Medicare most often.
Common questions
What is Mathew Kosik, LMSW's specialty?
Mathew Kosik, LMSW is a clinical social worker in Grand Rapids, MI. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Mathew Kosik, LMSW?
Mathew Kosik, LMSW is listed at 300 68Th St Se, Grand Rapids, MI 49548. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Mathew Kosik, LMSW?
The number on file is (616) 559-5896. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Mathew Kosik, LMSW?
Mathew Kosik, LMSW's National Provider Identifier is 1336428879. 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
What is Mathew Kosik, LMSW's education?
Mathew Kosik, LMSW attended Other, graduating in 2012. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Mathew Kosik, LMSW have?
Mathew Kosik, LMSW has 14 years experience. Calculated from a graduation year of 2012, reported in the CMS National Downloadable File.
CMS public data
What is Mathew Kosik, LMSW known for?
According to Medicare billing data, Mathew Kosik, LMSW provides treatments such as psychotherapy, 45 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Mathew Kosik, LMSW's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Mathew Kosik, LMSW. 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.