DR. JAMES STEPHEN MAURER (M.D.) – Psychiatry Physician, NPI 1659323392
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,160 PSYCHIATRY in CA
Provider Addresses for DR. JAMES STEPHEN MAURER (M.D.)
1971 Essex Ct Ste 2
Redlands, CA 923738061
Phone: (800) 474-4848
Fax: (909) 792-4242
Type: Location
25612 BARTON RD STE 312
LOMA LINDA, CA 923543110
Phone: (800) 474-4848
Fax: (909) 792-4242
Type: Mailing
Highland Avenue, Patton Park, Hendersonville, Henderson County, North Carolina, 28792, United States
MEDICAL STAFF OFFICE
PATTON, CA 92369
Phone: (909) 425-7679
Fax: (909) 425-6635
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: 2004-04-12
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 |
|---|---|---|---|---|
| I20040412000618 | I | Psychiatry | 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.
No Medicare fee-for-service utilization data available for this provider in our database.
Insurance plans in this area (ZIP 92373)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| Physician Assistant | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| - | CA | |
| Family Practice | CA | |
| - | PA | |
| Diagnostic Radiology | OR | |
| - | CA |
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