BEATRIZ MARES MD
NPI 1306802079
Pediatrics in San Jose, CA
About Beatriz Mares Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BEATRIZ MARES MD (NPI 1306802079) is an individual pediatrics provider in San Jose, California, licensed in California (A74906) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Beatriz Mares Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Beatriz Mares reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95128
- Reassigned Medicare billing, California enrollment
- Also billed through NPI 1588721500 (California), NPI 1629301346 (California)
- 2,460 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 95128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
SAN JOSE, CA 95128
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 Beatriz Mares's NPI number?
The NPI number for Beatriz Mares is 1306802079. It was assigned to this individual provider in the NPPES registry on April 21, 2006.
Where is Beatriz Mares located?
Beatriz Mares practices at 751 S Bascom Ave Pediatrics Department, San Jose, CA 95128. The listed phone number is (408) 885-5000.
What is Beatriz Mares's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Beatriz Mares enrolled in Medicare?
Yes. Beatriz Mares is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Beatriz Mares's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Beatriz Mares reassigns Medicare benefits to County Of Santa Clara (San Jose, CA). The 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 Beatriz Mares's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Beatriz Mares was last updated on September 11, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years 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.