Vanessa Calderon, MD
NPI 1275854820 · Emergency Medicine Physician · San Leandro, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vanessa Calderon, MD is a Emergency Medicine Physician provider in San Leandro, CA (NPI 1275854820).
Provider details
- NPI number
- 1275854820
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 96846 (GA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2010-06-17
- Last updated
- 2026-05-27
- Certified
- 2026-05-27
Frequently asked questions
- What is Vanessa Calderon's NPI number?
- Vanessa Calderon's National Provider Identifier (NPI) is 1275854820, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vanessa Calderon's specialty?
- Vanessa Calderon is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vanessa Calderon located?
- Vanessa Calderon's practice location on file with NPPES is 13855 E 14th St, San Leandro, CA 94578-2611.
- What is Vanessa Calderon's phone number?
- The practice phone number listed in the NPPES registry for Vanessa Calderon is (510) 667-4545.
- Does Vanessa Calderon accept Medicare?
- Vanessa Calderon is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vanessa Calderon's NPI active?
- Yes — Vanessa Calderon's NPI (1275854820) is active in the NPPES registry as of the last update on 2026-05-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.