DR. REBECCA MARDACH MD
NPI 1457330607
Medical Genetics - Clinical Genetics (M.D.) in San Diego, CA
About Dr. Rebecca Mardach Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. REBECCA MARDACH MD (NPI 1457330607) is an individual clinical genetics (m.d.) provider in San Diego, California, licensed in California (A45110) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Other Names 1
Secondary Practice Locations 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Rebecca Mardach Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Rebecca Mardach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Diego, CA 92123
- Reassigned Medicare billing, California enrollment
- 562 clinicians in this Medicare group
Sacramento, CA 95817
- Reassigned Medicare billing, California enrollment
- 2,570 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.
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 DIEGO, CA 92123
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 Rebecca Mardach's NPI number?
The NPI number for Rebecca Mardach is 1457330607. It was assigned to this individual provider in the NPPES registry on January 14, 2006. The provider is also known as Dr. Rebecca Mardach-Verdon M.D..
Where is Rebecca Mardach located?
Rebecca Mardach practices at 3030 Childrens Way, San Diego, CA 92123. The listed phone number is (619) 543-7800.
What is Rebecca Mardach's specialty?
The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.
Is Rebecca Mardach enrolled in Medicare?
Yes. Rebecca Mardach is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Rebecca Mardach's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rebecca Mardach reassigns Medicare benefits to 2 organizations: Rady Children's Hospital San Diego (San Diego, CA) and Regents Of The Univ Of Ca (Sacramento, CA). 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 Rebecca Mardach'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 Rebecca Mardach was last updated on June 3, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.
# Dr. Rebecca Mardach, MD · NPI 1457330607
Clinical Genetics (M.D.) physician in San Diego, California. Individual provider, active in the CMS NPPES registry since January 14, 2006.
## Identity
- **NPI:** 1457330607 (Entity type: Individual)
- **Enumerated:** January 14, 2006
- **Primary specialty:** Medical Genetics - Clinical Genetics (M.D.) · taxonomy 207SG0201X
- **State license:** A45110 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3030 CHILDRENS WAY, San Diego, CA 92123
- **Phone:** (619) 543-7800
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Rady Children's Hospital San Diego (NPI 1669617197, San Diego, CA); Regents Of The Univ Of Ca (NPI 1447423959, Sacramento, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 3, 2019
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Source: [NPI Profile](https://npiprofile.com/npi/1457330607) · Data from the CMS NPPES public registry.