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Edit this profileAt a glance
- 295 Pine Breeze Dr, Angwin, CA 94508
About Dr. Thuma
Based in Angwin, CA, Nathan H. Thuma, M.D. is listed in the NPI registry under psychiatry. Nathan graduated from Indiana University School of Medicine in 1985. According to Medicare claims data, Nathan cared for 32 Medicare patients across 94 services. The services billed most often include subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes and psychiatric diagnostic evaluation with medical services. NPI 1245316314 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
- (707) 965-2461
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
295 PINE BREEZE DR
Angwin, CA 94508
Conditions Commonly Evaluated or Treated
Within Psychiatry 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
Cognitive and adjustment
- Delirium
- Dementia with behavioral symptoms
- Prolonged grief disorder
Eating, sleep, and somatic
- Binge-eating disorder
- Bulimia nervosa
- Illness anxiety disorder
Geriatric care
- Agitation in Dementia
Mental Health
- Bipolar Depression
Neurodevelopmental and behavioral
- Intellectual disability
- Autism
- Oppositional defiant disorder
Most searched conditions
- ADHD
- Anxiety
- Bipolar disorder
- Depression
- Schizophrenia
- Trauma
Anxiety, trauma, and obsessive-compulsive
- Agoraphobia
- OCD
- Panic disorder
- Social anxiety disorder
- Specific phobias
Mood disorders
- Premenstrual dysphoric disorder
- Seasonal affective disorder
Psychotic disorders
- Schizoaffective disorder
Substance-related and addictive
- Alcohol use disorder
- Opioid use disorder
Addiction & Substance Use
- Drug addiction
- Gambling Addiction
Eating Disorders
- Binge eating
- Eating disorders
Mood & Depression
Personality and dissociative
- Borderline personality disorder
- Dissociative disorders
- Narcissistic personality disorder
Sleep & Wakefulness
- Insomnia and Sleep Problems
Procedures & services
Advanced treatment
- Esketamine treatment
Assessment
- Cognitive and memory screening
- Suicide and safety risk assessment
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Addiction care
- Addiction counseling
Addiction Medicine
- Alcohol Detox and Withdrawal Management
- Dual Diagnosis Treatment
- Suboxone Treatment and MAT
Assessments
- Adult ADHD Testing
- Autism testing
- Cognitive Assessment
Brain stimulation
- Neurofeedback
- Vagus Nerve Stimulation
Consultations
- Psychiatric Second Opinion
Diagnostics
- Neuropsychological Testing
- Psychiatric Genetic Testing
Inpatient care
- Inpatient Psychiatric Care
Interventional psychiatry
- Spravato Treatment
Psychotherapy
- Anger Management Counseling
- Couples counseling
- EMDR Therapy
- Exposure and Response Prevention
Sleep Medicine
- Sleep counseling
Specialized care
- Light Therapy
Therapy
- Acceptance and commitment therapy
- Dialectical Behavior Therapy
- Somatic experiencing
Therapy and care
- Family therapy
- Group psychotherapy
- Supportive psychotherapy
Procedures Most Often Billed to Medicare
94 services · 32 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
12 | Less often than most peers in Psychiatry |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
82 | As often as other peers in Psychiatry |
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.
Also at this address 2
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Trained at Indiana University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at Indiana University School of Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Psychiatric diagnostic evaluation with medical services 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Nathan H. Thuma's specialty?
Nathan H. Thuma is a psychiatrist in Angwin, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychiatry”.
NPI registry
Where can I find Nathan H. Thuma?
Nathan H. Thuma is listed at 295 Pine Breeze Dr, Angwin, CA 94508. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Nathan H. Thuma?
The number on file is (707) 965-2461. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Nathan H. Thuma's NPI number?
Nathan H. Thuma's National Provider Identifier is 1245316314. 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 Nathan H. Thuma's education?
Nathan H. Thuma attended Indiana University School of Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How long has Nathan H. Thuma been practicing?
Nathan H. Thuma has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What is Nathan H. Thuma known for?
According to Medicare billing data, Nathan H. Thuma provides treatments such as psychiatric diagnostic evaluation with medical services, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Nathan H. Thuma confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Nathan H. Thuma. If this is you, claiming it is free.
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