VANESSA YASMIN CALDERON MD
NPI 1275854820
Emergency Medicine in San Leandro, CA
About Vanessa Yasmin Calderon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VANESSA YASMIN CALDERON MD (NPI 1275854820) is an individual emergency medicine provider in San Leandro, California, licensed in California (A130430) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2010).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Vanessa Yasmin Calderon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Vanessa Calderon reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Leandro, CA 94578
- Reassigned Medicare billing, California enrollment
- 2,323 clinicians in this Medicare group
Tacoma, WA 98405
- Reassigned Medicare billing, California enrollment
- 20 clinicians in this Medicare group
Silver City, NM 88061
- Reassigned Medicare billing, New Mexico and Georgia enrollments
- Also billed through NPI 1215982814 (Georgia)
- 20 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94578 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Vanessa Calderon's NPI number?
The NPI number for Vanessa Calderon is 1275854820. It was assigned to this individual provider in the NPPES registry on June 17, 2010.
Where is Vanessa Calderon located?
Vanessa Calderon practices at 13855 E 14th St Emergency Department, San Leandro, CA 94578. The listed phone number is (510) 667-4545.
What is Vanessa Calderon's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Vanessa Calderon enrolled in Medicare?
Yes. Vanessa Calderon is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Vanessa Calderon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vanessa Calderon reassigns Medicare benefits to 3 organizations: Cep America - California (San Leandro, CA), Franciscan Medical Group (Tacoma, WA) and Cep America LLC (Silver City, NM). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Vanessa Calderon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Vanessa Calderon accept?
Health plans from Ambetter Health, Oscar Health, Oscar Insurance Company and Premera Blue Cross Blue Shield of Alaska list Vanessa Calderon as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Vanessa Calderon was last updated on May 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Vanessa Yasmin Calderon, MD · NPI 1275854820
Emergency Medicine physician in San Leandro, California. Individual provider, active in the CMS NPPES registry since June 17, 2010.
## Identity
- **NPI:** 1275854820 (Entity type: Individual)
- **Enumerated:** June 17, 2010
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** A130430 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 13855 E 14TH ST, EMERGENCY DEPARTMENT, San Leandro, CA 94578-2611
- **Phone:** (510) 667-4545
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cep America - California (NPI 1720367295, San Leandro, CA); Franciscan Medical Group (NPI 1366539421, Tacoma, WA); Cep America LLC (NPI 1558212548, Silver City, NM) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** May 27, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1275854820) · Data from the CMS NPPES public registry.