Provider Profile
Katherine L. Possin, PhD
Unclaimed ProfileAbout Dr. Possin
Katherine L. Possin, PhD is a psychologist — clinical based in San Francisco, CA. Medicare claims data shows Katherine provided 235 services to 218 patients. The services billed most often include evaluation of neuropsychological test, each additional hour, evaluation of neuropsychological test, first hour, and administration of psychological or neuropsychological test by technician, each additional 30 minutes.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
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
- (415) 476-1889
- Email not available
Practice Locations
350 PARNASSUS AVE., STE 905
San Francisco, CA 94143
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
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
235 services · 218 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Evaluation of neuropsychological test, each additional hour | Treatment | 96133 |
57 | Less often than most peers in Psychologist — Clinical |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
57 | As often as other peers in Psychologist — Clinical |
| Administration of psychological or neuropsychological test by technician, each additional 30 minutes | Treatment | 96139 |
36 | Less often than most peers in Psychologist — Clinical |
| Administration of psychological or neuropsychological test, first 30 minutes | Treatment | 96136 |
25 | As often as other peers in Psychologist — Clinical |
| Exam of neurobehavioral status, first hour | Treatment | 96116 |
23 | As often as other peers in Psychologist — Clinical |
| Administration of psychological or neuropsychological test by technician, first 30 minutes | Treatment | 96138 |
19 | Less often than most peers in Psychologist — Clinical |
| Administration of psychological or neuropsychological test, each additional 30 minutes | Treatment | 96137 |
18 | Less often than most 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.
Other psychologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 4
Clinically related specialties at the same address — the people this provider most likely works alongside.
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.
More connections — 31 related providers in 4 groups
Other psychologists in San Francisco 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2007 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Evaluation of neuropsychological test, each additional hour 8
Providers in CA who bill this service to Medicare most often.
Common questions
What does Katherine L. Possin specialize in?
Katherine L. Possin is a psychologist in San Francisco, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Psychologist — Clinical”.
NPI registry
Where is Katherine L. Possin located?
Katherine L. Possin is listed at 350 Parnassus Ave., Ste 905, San Francisco, CA 94143. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Katherine L. Possin's phone number?
The number on file is (415) 476-1889. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Katherine L. Possin?
Katherine L. Possin's National Provider Identifier is 1275848251. 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 Katherine L. Possin train?
Katherine L. Possin attended Other, graduating in 2007. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Katherine L. Possin have?
Katherine L. Possin has 19 years experience. Calculated from a graduation year of 2007, reported in the CMS National Downloadable File.
CMS public data
What does Katherine L. Possin do most often?
According to Medicare billing data, Katherine L. Possin provides treatments such as evaluation of neuropsychological test, each additional hour and evaluation of neuropsychological test, first hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Katherine L. Possin's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Katherine L. Possin. 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.