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- 325 9Th Ave # MS 359797, Seattle, WA 98104
About Samantha Mattern
Samantha N. Mattern, MSW is a clinical social worker practicing in Seattle, WA. Samantha is also listed as specializing in social worker. According to Medicare claims data, Samantha cared for 50 Medicare patients across 180 services. The services billed most often include psychotherapy, 1 hour, psychotherapy, 30 minutes, and psychiatric diagnostic evaluation. This provider record is associated with NPI 1457827800.
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
- (206) 744-9667
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
325 9TH AVE # MS 359797
Seattle, WA 98104
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
180 services · 50 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
113 | Less often than most peers in Clinical Social Worker |
| Psychotherapy, 30 minutes | Treatment | 90832 |
52 | As often as other peers in Clinical Social Worker |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
15 | 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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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 — 31 related providers in 4 groups
Other clinical social workers in Seattle 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy, 1 hour 8
Providers in WA who bill this service to Medicare most often.
Common questions
What is Samantha N. Mattern's specialty?
Samantha N. Mattern is a clinical social worker in Seattle, WA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Samantha N. Mattern?
Samantha N. Mattern is listed at 325 9Th Ave # MS 359797, Seattle, WA 98104. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Samantha N. Mattern?
The number on file is (206) 744-9667. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Samantha N. Mattern's NPI number?
Samantha N. Mattern's National Provider Identifier is 1457827800. 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 Samantha N. Mattern's education?
Samantha N. Mattern attended Other, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Samantha N. Mattern been practicing?
Samantha N. Mattern has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What is Samantha N. Mattern known for?
According to Medicare billing data, Samantha N. Mattern provides treatments such as psychotherapy, 1 hour and psychotherapy, 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Samantha N. Mattern confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Samantha N. Mattern. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.