Physician Profile
Unclaimed ProfileAbout TIMBERLAKE
John Timberlake, PsyD is a psychologist — clinical based in Los Alamitos, CA. Medicare claims data shows John provided 497 services to 30 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Areas of Expertise
Common questions
What kind of doctor is Dr. Timberlake?
Dr. Timberlake is a psychologist in Los Alamitos, CA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “Psychologist — Clinical”.
NPI registry
What is Dr. Timberlake's address?
Dr. Timberlake is listed at 11278 LOS ALAMITOS BLVD UNIT 912, Los Alamitos, CA 90720. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Timberlake?
The number on file is (562) 452-3299. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Timberlake?
Dr. Timberlake's National Provider Identifier is 1881075281. 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 much experience does Dr. Timberlake have?
Dr. Timberlake has 11+ years experience. Registered with an NPI since 2015. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practised for longer than this.
NPI registry
What procedures does Dr. Timberlake perform?
According to Medicare billing data, Dr. Timberlake provides treatments such as psychotherapy, 1 hour. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Timberlake's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Timberlake. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (562) 452-3299
- Email not available
Practice Locations
11278 LOS ALAMITOS BLVD UNIT 912
Los Alamitos, CA 90720
Procedures Most Often Billed to Medicare
497 services · 30 patients · 1 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Psychotherapy, 1 hour | Treatment | 90837 |
497 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Is this your profile?
Verify your identity to control how patients — and AI assistants — describe you.
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.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 3
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 Los Alamitos 8
Same specialty, same city.
More connections — 8 related providers in 1 group
Also performs Psychotherapy, 1 hour 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.