Physician Profile
Unclaimed ProfileAbout SHAFFER
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Areas of Expertise
Common questions
What does Dr. Shaffer specialise in?
Dr. Shaffer is a psychologist in Yorba Linda, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Psychologist”.
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. Guide.md cannot book appointments or pass on messages — please call the office directly.
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 practising?
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 practised 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.
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Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (949) 943-0392
- Email not available
Practice Locations
4231 LA CONCETTA DR
Yorba Linda, CA 92886
Procedures Most Often Billed to Medicare
3,067 services · 415 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychiatric services complicated by communication factor | Treatment | 90785 |
1,367 |
| Psychotherapy, 30 minutes | Treatment | 90832 |
1,318 |
| Psychiatric diagnostic evaluation | Treatment | 90791 |
110 |
| Care management services for behavioral health conditions, 20 minutes or more clinical staff time directed by health care professional | Office visit | 99484 |
272 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
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Claim this profileRelated 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 8
Providers in CA who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.