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VANESSA YASMIN CALDERON MD
NPI 1275854820
Emergency Medicine in San Leandro, CA

Active since June 17, 2010PECOS EnrolledAccepts Medicare Assignment
13855 E 14TH ST, EMERGENCY DEPARTMENT, SAN LEANDRO, CA 94578(510) 667-4545 Get Directions Write a Review

NPPES record last updated: May 27, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: May 27, 2026, Aug 31, 2023 (2 updates tracked since 2023).

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

NPI1275854820
Entity TypeIndividualFemale
Primary Taxonomy207P00000X
Provider Legal NameVANESSA YASMIN CALDERONCredential: MD
Location Address13855 E 14TH ST, EMERGENCY DEPARTMENTSan Leandro, CA 94578-2611
Mailing Address2100 Powell St, Ste 900Emeryville, CA 94608-1844 · (510) 350-2600
Phone(510) 667-4545
Sole ProprietorNo
Medical School CMSOtherGraduated 2010
Enumeration DateJune 17, 2010
Last NPPES UpdateMay 27, 20262 updates tracked since enumeration
NPPES CertifiedMay 27, 2026
✔ NPI 1275854820 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Licenses✔ Licensed in CA · A130430✔ Licensed in GA · 96846✔ Licensed in NM · MD2026-0552✔ Licensed in MN · 2652
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
13855 E 14TH ST, San Leandro, CA 94578
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Molina Healthcare, Oscar Insurance Company, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Vanessa Yasmin Calderon Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID547487373
PECOS Enrollment IDI20140818002805
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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.

New Patient
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$119.48 typical visit price
range $23.44 – $166.46
Typical copayment $29.87 (range $5.86 – $41.61)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Shoulder orthosis, figure of eight design abduction restrainer, canvas and webbing, prefabricated, off-the-shelf L3660
DME-Orthotic Devices · category DF000N
1 supplier22 claims22 services$88.55 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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.

DR. RONALD OLSON M.D.
Radiology (Diagnostic Radiology)
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (925) 296-7156
JORDAN L LALONDE PA-C
Physician Assistant
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (510) 357-6500
ALAMEDA HEALTH SYSTEM
General Acute Care Hospital
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (510) 357-6500
ANTHONY MICHAEL MONTEFUSCO IV
Emergency Medicine
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (209) 342-2300
GAIL ANN HUBBELL
Emergency Medicine
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (209) 342-2300
ALAMEDA HEALTH SYSTEM
Rehabilitation Hospital
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (510) 895-7230
SARAH ARCHENBRONN FNP-BC
Nurse Practitioner (Family)
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (510) 357-6500
ADA WEI HSIN LIEN PA-C, MPH
Physician Assistant (Medical)
13855 E 14TH ST
SAN LEANDRO, CA 94578
Alameda County (510) 667-4545

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 system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Vanessa Calderon accept?

Health plans from Molina Healthcare, 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 2 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.