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Edit this profileAt a glance
- 2825 J St, Suite 435, Sacramento, CA 95816
About Dr. Fields
Listed in the NPI registry as a psychologist — clinical, Gregory I. Fields, PhD practices in Sacramento, CA. Gregory graduated from Texas Tech University Health Science Center School of Medicine in 1997. Medicare claims data shows Gregory provided 532 services to 195 patients. The services billed most often include administration of psychological or neuropsychological test, each additional 30 minutes, evaluation of neuropsychological test, each additional hour, and evaluation of neuropsychological test, first hour. NPI 1902852783 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
- (916) 425-3177
- Email not available
Practice Locations
2825 J ST SUITE 435
Sacramento, CA 95816
Concerns and Conditions Addressed
Within Clinical Psychology 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 & trauma
Addiction
Anxiety
Behavioral
Child & adolescent
Cognitive
Dissociative
Eating & Body Image
Health & Pain
Identity
Interpersonal
Life transitions
Mood & Emotion
- Anger issues
- Bipolar disorder
- Illness anxiety disorder
- Panic disorder
- Postpartum depression
- Social anxiety disorder
- Specific phobias
Neurodevelopmental
Personal Growth
Personality
Self-harm & crisis
Sensory & neurological
Severe mental illness
Sleep
Stress & Lifestyle
Stress & lifestyle
Work & identity
Procedures & services
Brain & memory
Most searched procedures
Assessments
Behavioral Interventions
- Acceptance and commitment therapy (ACT)
- Anger management
- Dialectical behavior therapy (DBT)
- Exposure and response prevention (ERP)
- Habit reversal training
- Prolonged exposure therapy
Brain-based therapies
Child & adolescent
Crisis & safety
Group Programs
Individual therapy
Interpersonal
Mind-Body
Parenting & Support
Psychodynamic & Integrative
- Internal family systems (IFS)
- Interpersonal psychotherapy
- Psychodynamic psychotherapy
- Schema Therapy
Relationship & family
Skill building
Sleep & Health
Specialized therapy
Stress & Lifestyle
Testing & evaluation
- ADHD Evaluation
- Bariatric Surgery Evaluation
- Emotional Support Animal Evaluation
- Forensic psychological evaluation
- Neuropsychological Testing
- Psychoeducational Testing
Therapy formats
Trauma therapy
Procedures Most Often Billed to Medicare
532 services · 195 patients · 5 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Administration of psychological or neuropsychological test, each additional 30 minutes | Treatment | 96137 |
226 | More often than most peers in Psychologist — Clinical |
| Evaluation of neuropsychological test, each additional hour | Treatment | 96133 |
171 | More often than most peers in Psychologist — Clinical |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
58 | More often than most peers in Psychologist — Clinical |
| Administration of psychological or neuropsychological test, first 30 minutes | Treatment | 96136 |
40 | More often than most peers in Psychologist — Clinical |
| Exam of neurobehavioral status, first hour | Treatment | 96116 |
37 | As often as other peers in Psychologist — Clinical |
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 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other psychologists in Sacramento 8
Same specialty, same city.
Trained at Texas Tech University Health Science Center School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1997 at Texas Tech University Health Science Center School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Administration of psychological or neuropsychological test, each additional 30 minutes 8
Providers in CA who bill this service to Medicare most often.
Common questions
What is Dr. Fields's specialty?
Dr. Fields is a psychologist in Sacramento, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where can I find Dr. Fields?
Dr. Fields is listed at 2825 J St Suite 435, Sacramento, CA 95816. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Fields?
The number on file is (916) 425-3177. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Fields?
Dr. Fields's National Provider Identifier is 1902852783. 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. Fields's medical education?
Dr. Fields attended Texas Tech University Health Science Center School of Medicine, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Fields have?
Dr. Fields has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Fields known for?
According to Medicare billing data, Dr. Fields provides treatments such as administration of psychological or neuropsychological test, each additional 30 minutes and evaluation of neuropsychological test, each additional hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Fields's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Fields. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.