DR. SERGIO GUILLERMO CASILLAS BERUMEN (M.D.) – Vascular Surgery Physician, NPI 1437470762
Vascular Surgery Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
3,317 GENERAL SURGERY in CA
Provider Addresses for DR. SERGIO GUILLERMO CASILLAS BERUMEN (M.D.)
1045 E PENNSYLVANIA AVE
ESCONDIDO, CA 920254616
Phone: (760) 884-4500
Fax: (619) 567-7775
Type: Mailing
1111 BROADWAY STE 305
CHULA VISTA, CA 919112700
Phone: (619) 567-7007
Fax: (619) 567-7775
Type: Location
88 E NEWTON ST
C515
BOSTON, MA 021182308
Phone: (617) 638-8442
Type: Mailing
6719 Alvarado Rd Ste 303
San Diego, CA 921205264
Phone: (619) 500-7699
Fax: (619) 567-7775
Type: Location
2205 Ross Ave Ste 101
El Centro, CA 922433623
Phone: (760) 406-4402
Fax: (619) 567-7775
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 37 Open Payments records for all available years, with a total value of $3,780.
Total Amount is formed as General ($3,780) + Research ($0) + Ownership ($0) = $3,780.
Last reported payment date: 2024-12-09 • Largest payer in this snapshot: Medtronic, Inc. ($2,138).
Total Amount
$3,780
General + Research + Ownership
Payments
37
Total payment records
General Amount
$3,780
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-09
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Medtronic, Inc. | $2,138 |
| Silk Road Medical, Inc. | $1,312 |
| ShockWave Medical, Inc | $150 |
| Penumbra, Inc. | $143 |
| W. L. Gore & Associates, Inc. | $23 |
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: 2023-07-25
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 |
|---|---|---|---|---|
| I20230725001980 | I | General Surgery | 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 |
|---|---|---|---|---|
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 105 | 88 | $0 |
| 99203 | New patient office or other outpatient visit, 30-44 minutes | 50 | 50 | $0 |
| 93923 | Complete ultrasound study of arm and leg arteries | 40 | 40 | $0 |
| 93970 | Ultrasound study of arm or leg veins with compression and maneuvers | 36 | 36 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 27 | 17 | $0 |
Insurance plans in this area (ZIP 92025)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | CA | |
| P O D I A T R Y | CA | |
| Vascular Surgery, Emergency Medicine | CA | |
| Vascular Surgery | NE | |
| General Surgery | CA | |
| Nurse Practitioner | CA | |
| Emergency Medicine | CA | |
| - | CA | |
| Vascular Surgery | OH | |
| Cardiovascular Disease (Cardiology), Thoracic Surgery | CA |
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