DR. ROGER CHARLES WALLACE (M.D.) – Emergency Medicine Physician, NPI 1083645501
Emergency Medicine Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
5,791 EMERGENCY MEDICINE in CA
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Provider Addresses for DR. ROGER CHARLES WALLACE (M.D.)
Henry Mayo Newhall Hospital, 23845, McBean Parkway, Valencia, Santa Clarita, Los Angeles County, California, 91355, United States
VALENCIA, CA 913552001
Phone: (661) 253-8112
Fax: (661) 253-8119
Type: Location
PO BOX 661540
ARCADIA, CA 910661540
Phone: (626) 447-0296
Fax: (626) 447-6057
Type: Mailing
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.
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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: 2004-08-05
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 |
|---|---|---|---|---|
| I20040805000802 | I | Emergency Medicine | 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 |
|---|---|---|---|---|
| 99285 | Emergency department visit with high level of medical decision making | 289 | 274 | $0 |
| 93042 | Electrocardiogram (ecg) 1 to 3 leads with review by physician only | 180 | 169 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 131 | 128 | $0 |
| 99291 | Critical care, first 30-74 minutes | 76 | 75 | $0 |
Insurance plans in this area (ZIP 91355)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | OH | |
| Emergency Medicine | MI | |
| Emergency Medicine | OH | |
| Emergency Medicine | CA | |
| - | DE | |
| Critical Care (Intensivists), Anesthesiology, Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| - | CA | |
| Emergency Medicine | CA |
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