DR. DEBORAH GWEN MATHER (PH.D.) – Clinical Psychologist, NPI 1669429767
Clinical Psychologist
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,473 CLINICAL PSYCHOLOGIST in CA
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Provider Addresses for DR. DEBORAH GWEN MATHER (PH.D.)
16033, Bolsa Chica Street, Huntington Beach, Orange County, California, 92649, United States
SUITE #104-239
HUNTINGTON BEACH, CA 926492452
Phone: (714) 846-8230
Fax: (714) 840-6508
Type: Mailing
Pacific Coast Highway, Seal Beach, Orange County, California, 90743, United States
SUITE #115
LONG BEACH, CA 908034211
Phone: (562) 596-0090
Fax: (562) 596-0094
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
No Open Payments data available for this provider.
This can happen when there are no reportable CMS Open Payments records.
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: 2015-04-02
PECOS data refreshed: 2026-06-15
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 |
|---|---|---|---|---|
| I20150402001214 | I | Psychologist Billing Independently | NV | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 92649)
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