Provider Profile
Oscar B. Castillo, NP
Unclaimed ProfileAbout Oscar Castillo
Oscar B. Castillo, NP is a nurse practitioner — psychiatric/mental health based in Fresno, CA. Oscar is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Oscar cared for 181 Medicare patients across 3,984 services. The services billed most often include residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes, measurement of brain wave activity (eeg), awake and drowsy, and biofeedback training.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
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
- (559) 600-9060
- Email not available
Practice Locations
2719 N AIR FRESNO DR
Fresno, CA 93727
1255 W Colton Ave # 521
Redlands, CA 92374
Conditions and Services Within This Provider's Scope
Within Nurse Practitioner - Psychiatric/Mental Health 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
Addiction
Addiction & substance use
Anxiety & panic
Attention & learning
Behavioral health
Behavioral issues
Child & adolescent
- Oppositional defiant disorder
- Severe Temper Tantrums and Meltdowns
Cognitive disorders
- Dementia
- Executive dysfunction
Cognitive issues
- Brain Fog and Mental Fatigue
- Dementia with behavioral symptoms
- Mild cognitive impairment
Crisis & safety
Eating disorders
- Anorexia nervosa
- Binge eating
- Eating disorders
Medication side effects
- Involuntary Twitches from Meds
Mood disorders
- Bipolar disorder
- Depression
- Emotional Numbness
- Menopause Mood Swings and Anxiety
- Mood swings
- Postpartum depression
- Premenstrual dysphoric disorder
- Seasonal affective disorder
Obsessions & compulsions
Personality disorders
Psychotic disorders
- Delusional disorder
- Hearing Voices and Hallucinations
- Schizoaffective disorder
- Schizophrenia
Sleep
- Chronic Nightmares
- Insomnia and Sleep Problems
- Neurologic sleep disorders
Stress & lifestyle
Trauma & stress
Procedures & services
Addiction treatment
- Dual Diagnosis Addiction Treatment
- Suboxone Treatment and MAT
- Vivitrol and Naltrexone Treatment
Consultations
- Holistic Mental Health Consultation
- Transcranial Magnetic Stimulation (TMS) Consultation
Crisis care
- Urgent Psychiatric Consultation
Evaluations & paperwork
- Child Psychiatric Evaluation
- Cognitive Assessment
- Disability Mental Health Evaluation
- Gender-Affirming Mental Health Letter
- Psychiatric Clearance for Surgery
- School Accommodation Evaluation
- Treatment-Resistant Depression Evaluation
Evaluations & testing
- ADHD Testing and Diagnosis
- Adolescent Psychiatric Evaluation
- DNA drug response testing
- Emotional Support Animal (ESA) Evaluation
- FMLA and Mental Health Leave Paperwork
- Postpartum Mental Health Screening
- Psychiatric evaluation
- Second Opinion on Mental Health Diagnosis
Interventional treatments
- Ketamine Therapy Consultation
- Spravato (Esketamine) Treatment
Medication management
- Antidepressant Prescription
- Antipsychotic Medication Management
- Anxiety Medication Management
- Benzodiazepine Tapering
- Lab Work for Psychiatric Medications
- Lithium Monitoring and Blood Level Checks
- Long-Acting Antipsychotic Shot
- Medication management
- Mood Stabilizer Management
- Non-Stimulant ADHD Medication Management
- Prescription Refill Visit
- Sleep Medication Management
- Smoking Cessation Medication Visit
- Stimulant Medication Monitoring
- Switching Antidepressants
- Tapering Off Psychiatric Medication
- Tardive Dyskinesia Treatment
- Weight Management for Psychiatric Med Side Effects
Telehealth
Therapy
- Acceptance and commitment therapy (ACT)
- Anger Management Counseling
- Bereavement counseling
- Insomnia Treatment (CBT-I)
- Somatic Calming and Relaxation Training
- Suicide safety planning
Therapy & counseling
- Cognitive Behavioral Therapy (CBT)
- Couples and Family Mental Health Counseling
- Dialectical Behavior Therapy (DBT) Skills
- Exposure and Response Prevention
- Mindfulness-based stress reduction
- Prolonged exposure therapy
- Supportive psychotherapy
Procedures Most Often Billed to Medicare
3,984 services · 181 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
1,194 | More often than most peers in Psychiatric Nurse Practitioner |
| Biofeedback training | Treatment | 90901 |
845 | Too few peers to compare |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
203 | More often than most peers in Psychiatric Nurse Practitioner |
| Administration of developmental test, first hour | Treatment | 96112 |
199 | Too few peers to compare |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
39 | More often than most peers in Psychiatric Nurse Practitioner |
| Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | Office visit | 99349 |
1,242 | More than most peers in Psychiatric Nurse Practitioner |
| Subsequent nursing facility care with moderate level of medical decision making, per day, if using time, at least 30 minutes | Office visit | 99309 |
239 | As often as other peers in Psychiatric Nurse Practitioner |
| Residence visit for new patient with moderate level of medical decision making, per day, if using time, at least 60 minutes | Office visit | 99344 |
23 | As often as other peers in Psychiatric Nurse Practitioner |
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 nurse practitioners at this location 1
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 nurse practitioners in Fresno 7
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Measurement of brain wave activity (eeg), awake and drowsy 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Oscar B. Castillo specialize in?
Oscar B. Castillo is a nurse practitioner in Fresno, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Psychiatric/Mental Health”.
NPI registry
Where is Oscar B. Castillo located?
Oscar B. Castillo is listed at 2719 N Air Fresno Dr, Fresno, CA 93727. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Oscar B. Castillo's phone number?
The number on file is (559) 600-9060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Oscar B. Castillo's NPI number?
Oscar B. Castillo's National Provider Identifier is 1396382206. 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
How long has Oscar B. Castillo been practicing?
Oscar B. Castillo has 7+ years experience. Registered with an NPI since 2019. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Oscar B. Castillo do most often?
According to Medicare billing data, Oscar B. Castillo provides treatments such as measurement of brain wave activity , awake and drowsy and biofeedback training, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Oscar B. Castillo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Oscar B. Castillo. 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.