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- 1120 Cedar St, Missoula, MT 59802
About Nathaniel Chapman
Nathaniel B. Chapman, LCSW is a clinical social worker based in Missoula, MT. Medicare claims data shows Nathaniel provided 523 services to 56 patients. The services billed most often include group psychotherapy, psychotherapy, 1 hour, and psychotherapy, 30 minutes. The provider's National Provider Identifier (NPI) is 1386303097.
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
- (406) 541-4673
- Email not available
Practice Locations
1120 CEDAR ST
Missoula, MT 59802
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
523 services · 56 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Group psychotherapy | Treatment | 90853 |
357 | More often than most peers in Clinical Social Worker |
| Psychotherapy, 1 hour | Treatment | 90837 |
117 | Less often than most peers in Clinical Social Worker |
| Psychotherapy, 30 minutes | Treatment | 90832 |
49 | Less 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.
Other clinical social workers at this location 7
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 clinical social workers in Missoula 8
Same specialty, same city.
More connections — 17 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Group psychotherapy 1
Providers in MT who bill this service to Medicare most often.
Common questions
What does Nathaniel B. Chapman specialize in?
Nathaniel B. Chapman is a clinical social worker in Missoula, MT. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Nathaniel B. Chapman located?
Nathaniel B. Chapman is listed at 1120 Cedar St, Missoula, MT 59802. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Nathaniel B. Chapman's phone number?
The number on file is (406) 541-4673. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Nathaniel B. Chapman?
Nathaniel B. Chapman's National Provider Identifier is 1386303097. 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 Nathaniel B. Chapman train?
Nathaniel B. Chapman attended Other, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Nathaniel B. Chapman have?
Nathaniel B. Chapman has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What does Nathaniel B. Chapman do most often?
According to Medicare billing data, Nathaniel B. Chapman provides treatments such as group psychotherapy and psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Nathaniel B. Chapman's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Nathaniel B. Chapman. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.