Sergio Guillermo Casillas Berumen, M.D.
General Surgery (CMS) · Chula Vista, CA
At a glance
1111 Broadway Ste 305, Chula Vista, CA 91911-2700
Published activity: Leg revascularization (restoring blood flow) · Removal of tissue · Skin biopsy. View counts and coverage
NPPES record updated Mar 26, 2024. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
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Check the official Medicare directory ↗Practice location
1111 Broadway Ste 305Chula Vista, CA 91911-2700
Additional reported practice locations
6719 Alvarado Rd Ste 303San Diego, CA 921205264
Phone: 6195007699
Fax: 6195677775 2205 Ross Ave Ste 101
El Centro, CA 922433623
Phone: 7604064402
Fax: 6195677775
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2008
- CMS specialties
- General Surgery
Practice groups
Reported hospital affiliations
- Scripps Mercy Hospital San Diego, CA
- Sharp Chula Vista Medical Center Chula Vista, CA
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
| Procedure category | Published Medicare activity |
|---|---|
| Leg revascularization (restoring blood flow) | 28 |
| Removal of tissue | 1-10 |
| Skin biopsy | 1-10 |
| Varicose vein removal | 33 |
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $119.05 |
Reporting companies
| Company | Amount |
|---|---|
| BARD PERIPHERAL VASCULAR, INC. | $75.40 |
| KOYA MEDICAL, INC. | $24.03 |
| MEDTRONIC, INC. | $19.62 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- General Surgery (CMS)
- Taxonomy code
- 2086S0129X
- Enumeration date
- Jun 22, 2010
- Record updated
- Mar 26, 2024
More registry details
- Provider type
- Individual · Type 1
- Reported credentials
- M.D.
Reported taxonomies and licenses
2086S0129X · Primary
License reported: C185956 CA
208600000X
License reported: MT196707 PA
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
1111 Broadway Ste 305Chula Vista, CA 91911-2700
- Phone
- (619) 567-7007
- Fax
- (619) 567-7775
Mailing address
1045 E PENNSYLVANIA AVEESCONDIDO, CA 920254616
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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