DR. SHON MARCOS SIDRANSKY (M.D.) – Emergency Medicine Physician, NPI 1285646448
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. SHON MARCOS SIDRANSKY (M.D.)
Saint John's Regional Medical Center, 1600, North Rose Avenue, Oxnard, Ventura County, California, 93030, United States
OXNARD, CA 930303722
Phone: (805) 988-2843
Fax: (805) 988-2844
Type: Location
1398, La Crescentia Drive, Chula Vista, San Diego County, California, 91910, United States
CHULA VISTA, CA 919107942
Phone: (619) 987-5554
Fax: (619) 271-1203
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.
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: 2005-12-29
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 |
|---|---|---|---|---|
| I20051229000441 | 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 | 160 | 155 | $0 |
| 99284 | Emergency department visit with moderate level of medical decision making | 87 | 86 | $0 |
| 93010 | Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | 42 | 42 | $0 |
| 99291 | Critical care, first 30-74 minutes | 12 | 12 | $0 |
Insurance plans in this area (ZIP 93030)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| Emergency Medicine | AZ | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Nurse Practitioner | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | CA | |
| Emergency Medicine | GU | |
| Nurse Practitioner | NV | |
| Emergency Medicine | CA |
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