ROBERT MICHAEL TRIMMER (M.D.) – Psychiatry Physician, NPI 1003925736
Psychiatry Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
4,134 PSYCHIATRY in CA
Provider Addresses for ROBERT MICHAEL TRIMMER (M.D.)
3835 N FREEWAY BLVD STE 100
SACRAMENTO, CA 958341954
Phone: (855) 501-1004
Type: Mailing
1020 SUNCAST LN
108
EL DORADO HILLS, CA 957629335
Phone: (916) 932-0380
Fax: (916) 932-0381
Type: Mailing
2180 HARVARD ST STE 210
SACRAMENTO, CA 958153318
Phone: (855) 501-1004
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 25 Open Payments records for all available years, with a total value of $417.
Total Amount is formed as General ($417) + Research ($0) + Ownership ($0) = $417.
Last reported payment date: 2024-11-08 • Largest payer in this snapshot: ABBVIE INC. ($345).
Total Amount
$417
General + Research + Ownership
Payments
25
Total payment records
General Amount
$417
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-11-08
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| ABBVIE INC. | $345 |
| Supernus Pharmaceuticals, Inc. | $72 |
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: 2004-03-01
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 |
|---|---|---|---|---|
| I20040301000135 | 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 95834)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| PSYCHIATRY | CA | 90792 | Psychiatric diagnostic evaluation with medical services | 18 | 18 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| P S Y C H I A T R Y | NY | |
| P S Y C H I A T R Y | CA | |
| Nurse Practitioner | CA | |
| P S Y C H I A T R Y | CA | |
| Nurse Practitioner | CA | |
| P S Y C H I A T R Y | CA | |
| Clinical Psychologist | CA | |
| P S Y C H I A T R Y | CA | |
| P S Y C H I A T R Y | SD | |
| P S Y C H I A T R Y | CA |
Reviews
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