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- 4231 la Concetta Dr, Yorba Linda, CA 92886
About Dr. Shaffer
Chellie K. Shaffer, PsyD is a psychologist based in Yorba Linda, CA. According to Medicare claims data, Chellie cared for 415 Medicare patients across 3,067 services. The services billed most often include psychiatric services complicated by communication factor, psychotherapy, 30 minutes, and care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional. The provider's National Provider Identifier (NPI) is 1790196442.
Factual summary compiled by Guide.md from public records; not written by this provider.
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
- (949) 943-0392
- Email not available
Practice Locations
4231 LA CONCETTA DR
Yorba Linda, CA 92886
Concerns and Conditions Addressed
Within Psychology (Unspecified) 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 and relationships
Addiction
Anxiety & Phobias
Anxiety and phobias
Behavioral & Emotional
Child & Adolescent
Child and teen issues
- School refusal
- Teen depression
Eating & Body Image
Health Psychology
Identity and life stages
Interpersonal & Abuse
Life and social issues
- Caregiver stress for aging parents
- Loneliness and Social Isolation
Mindset and personality
Mood and emotions
- Overthinking and Rumination
- Seasonal affective disorder
Mood Disorders
- Bipolar disorder
- Postpartum Mood Issues
Neurodevelopmental
- Autism
- Reading and Spelling Difficulties
Personality Disorders
Relationships
- People Pleasing and Codependency
Self-Esteem & Identity
Sleep
Sleep issues
Stress & Lifestyle
Thought disorders
Trauma and abuse
Work and career
Procedures & services
Most searched procedures
Addiction support
Alternative formats
Behavioral Programs
Behavioral therapies
Brain-based therapies
Care delivery
Child & Adolescent
Evaluations & Assessments
- Autism Assessment
- Bariatric Surgery Evaluation
- Cognitive and memory testing
- Emotional Support Animal Evaluation
- Spinal Cord Stimulator Psychological Clearance
Evaluations and testing
- Adoption Psychological Evaluation
- Gender-affirming surgery evaluation
- Immigration Psychological Evaluation
- Neuropsychological Testing
Expressive therapies
Family and parenting
Mind-body therapies
- Guided Imagery and Visualization
Relationship Counseling
Skills training
- Coping Skills Training
- Social skills training
Specialized therapy
Specialized Treatments
- Biofeedback
- Crisis intervention
- Hypnotherapy
- Ketamine-assisted counseling
- Mindfulness-based stress reduction
- Sleep counseling
Talk therapies
Therapy Modalities
Procedures Most Often Billed to Medicare
3,067 services · 415 patients · 4 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Psychiatric services complicated by communication factor | Treatment | 90785 |
1,367 | More than most peers in Psychologist |
| Psychotherapy, 30 minutes | Treatment | 90832 |
1,318 | More than most peers in Psychologist |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
110 | More often than most peers in Psychologist |
| Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional | Office visit | 99484 |
272 | Too few peers to compare |
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 in Yorba Linda 5
Same specialty, same city.
Also performs Psychiatric services complicated by communication factor 1
Providers in CA who bill this service to Medicare most often.
Common questions
What does Dr. Shaffer specialize in?
Dr. Shaffer is a psychologist in Yorba Linda, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Shaffer located?
Dr. Shaffer is listed at 4231 la Concetta Dr, Yorba Linda, CA 92886. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Shaffer's phone number?
The number on file is (949) 943-0392. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Shaffer's NPI number?
Dr. Shaffer's National Provider Identifier is 1790196442. 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 Dr. Shaffer been practicing?
Dr. Shaffer has 12+ years experience. Registered with an NPI since 2014. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
What does Dr. Shaffer do most often?
According to Medicare billing data, Dr. Shaffer provides treatments such as psychiatric services complicated by communication factor and psychotherapy, 30 minutes, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Shaffer confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Shaffer. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.