Physician Profile
Unclaimed ProfileAbout ERNST
John Allan Ernst, PhD is a clinical psychologist practicing in Tacoma, WA. According to Medicare claims data, John cared for 441 Medicare patients across 593 services.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Ernst's specialty?
Dr. Ernst is a clinical psychologist in Tacoma, WA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “CLINICAL PSYCHOLOGIST”.
NPI registry
Where can I find Dr. Ernst?
Dr. Ernst is listed at 1717 S J ST # MS 02-12 ST JOSEPH MEDICAL CENTER, Tacoma, WA 98405. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Ernst?
The number on file is (253) 426-6762. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Ernst's NPI number?
Dr. Ernst's National Provider Identifier is 1063624104. 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. Ernst's medical education?
Dr. Ernst attended Other, graduating in 1983. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Ernst been practicing?
Dr. Ernst has 43 years experience. Calculated from a graduation year of 1983, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Ernst known for?
According to Medicare billing data, Dr. Ernst provides treatments such as administration of psychological or neuropsychological test, each additional 30 minutes and administration of psychological or neuropsychological test, first 30 minutes. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Ernst confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Ernst. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (253) 426-6762
- Email not available
Practice Locations
1717 S J ST # MS 02-12 ST JOSEPH MEDICAL CENTER
Tacoma, WA 98405
Procedures Most Often Billed to Medicare
593 services · 441 patients · 4 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Administration of psychological or neuropsychological test, each additional 30 minutes | Treatment | 96137 |
261 |
| Administration of psychological or neuropsychological test, first 30 minutes | Treatment | 96136 |
114 |
| Evaluation of neuropsychological test, each additional hour | Treatment | 96133 |
109 |
| Evaluation of neuropsychological test, first hour | Treatment | 96132 |
109 |
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.
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 clinical psychologists in Tacoma 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1983 at Other 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 WA 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.