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Edit this profileAt a glance
- 20081 Lake Chabot Rd, Castro Valley, CA 94546
About Dr. Oreper
Based in Castro Valley, CA, Arkady Oreper, MD is listed in the NPI registry under psychiatry. According to Medicare claims data, Arkady cared for 184 Medicare patients across 746 services. The services billed most often include established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more, psychotherapy with evaluation and management visit, 30 minutes, and psychiatric diagnostic evaluation with medical services. NPI 1346320710 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
- (510) 690-1155
- Email not available
Practice Locations
20081 LAKE CHABOT RD
Castro Valley, CA 94546
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
Most searched conditions
Anxiety, trauma, and obsessive-compulsive
Mood disorders
Psychotic disorders
Substance-related and addictive
Addiction & Substance Use
Cognitive and adjustment
- Dementia with behavioral symptoms
- Prolonged grief disorder
Eating Disorders
Eating, sleep, and somatic
Mood & Depression
Neurodevelopmental and behavioral
Personality and dissociative
- Borderline personality disorder
- Dissociative disorders
- Narcissistic personality disorder
Sleep & Wakefulness
Procedures & services
Most searched procedures
- Anxiety and depression treatment
- Cognitive behavioral therapy
- Medication management
- Psychiatric evaluation
- Telepsychiatry
Assessment
- Suicide and safety risk assessment
Addiction care
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
Specialized care
Therapy
Therapy and care
- Family therapy
- Group psychotherapy
- Supportive psychotherapy
Procedures Most Often Billed to Medicare
746 services · 184 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychotherapy with evaluation and management visit, 30 minutes | Treatment | 90833 |
364 | More often than most peers in Psychiatry |
| Psychiatric diagnostic evaluation with medical services | Treatment | 90792 |
18 | As often as other peers in Psychiatry |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
364 | More often than most 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.
Other psychiatrists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Other psychiatrists in Castro Valley 5
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 1983 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Psychotherapy with evaluation and management visit, 30 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Oreper's specialty?
Dr. Oreper is a psychiatrist in Castro Valley, 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 Dr. Oreper?
Dr. Oreper is listed at 20081 Lake Chabot Rd, Castro Valley, CA 94546. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Oreper?
The number on file is (510) 690-1155. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Oreper's NPI number?
Dr. Oreper's National Provider Identifier is 1346320710. 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 Dr. Oreper's medical education?
Dr. Oreper attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Oreper been practicing?
Dr. Oreper has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Oreper known for?
According to Medicare billing data, Dr. Oreper provides treatments such as psychotherapy with evaluation and management visit, 30 minutes and 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 Dr. Oreper confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Oreper. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.