DR. JEFFREY PAUL DAYTON (M.D.) – Emergency Medicine Physician, NPI 1124056056
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. JEFFREY PAUL DAYTON (M.D.)
PO BOX 661360
ARCADIA, CA 910661360
Phone: (626) 447-0296
Fax: (626) 447-6057
Type: Mailing
Providence Little Company of Mary Medical Center San Pedro, 1300, West 7th Street, San Pedro, Los Angeles, Los Angeles County, California, 90732, United States
SAN PEDRO, CA 907323505
Phone: (310) 514-5350
Fax: (310) 514-5421
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: 2006-09-18
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 |
|---|---|---|---|---|
| I20060918000470 | 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 | 257 | 248 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 181 | 177 | $0 |
| 99291 | Critical care, first 30-74 minutes | 96 | 96 | $0 |
| 99283 | Emergency department visit with low level of medical decision making | 42 | 40 | $0 |
Insurance plans in this area (ZIP 91066)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| EMERGENCY MEDICINE | CA | 93010 | Routine electrocardiogram (EKG) using at least 12 leads with interpretation and report | 320 | 291 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Nurse Practitioner | CA | |
| Emergency Medicine | CA | |
| Nurse Practitioner | CA | |
| Physician Assistant | CA | |
| Emergency Medicine | CA | |
| Physician Assistant | CA | |
| - | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Nurse Practitioner | CA |
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