JULIEN J GUILLAUMOT (PHD) – Psychologist, NPI 1124079066
Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
647 CLINICAL PSYCHOLOGIST in OR
Provider Addresses for JULIEN J GUILLAUMOT (PHD)
408 SW MONROE AVE STE M210D
CORVALLIS, OR 973337228
Phone: (541) 257-5533
Type: Location
1300, Northwest Harrison Boulevard, Corvallis, Benton County, Oregon, 97330, United States
STE B-20
CORVALLIS, OR 973306277
Phone: (541) 257-5533
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
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Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2020-04-22
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20200422002847 | I | Clinical Psychologist | CA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 96137 | Administration of psychological or neuropsychological test, each additional 30 minutes | 2,068 | 346 | $0 |
| 96133 | Evaluation of neuropsychological test, each additional hour | 1,259 | 346 | $0 |
| 90791 | Psychiatric diagnostic evaluation | 347 | 346 | $0 |
| 96132 | Evaluation of neuropsychological test, first hour | 347 | 346 | $0 |
| 96136 | Administration of psychological or neuropsychological test, first 30 minutes | 347 | 346 | $0 |
Insurance plans in this area (ZIP 97333)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHOLOGIST, CLINICAL | OR | 96118 | Neuropsychological testing, interpretation, and report by psychologist or physician per hour | 954 | 111 |
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