Rebecca Mardach, MD
NPI 1457330607 · Clinical Genetics (M.D.) Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Medical Genetics and Genomics · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Rebecca Mardach, MD is a Clinical Genetics (M.D.) Physician provider in San Diego, CA (NPI 1457330607).
Provider details
- NPI number
- 1457330607
- Entity type
- Individual
- Primary specialty
- Clinical Genetics (M.D.) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A45110 (CA)
Specialties & taxonomies
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 tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
3 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$5,493 across 25 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (2)
- 4700 W Sunset BlvdFirst FloorLos Angeles, CA 90027-6082Phone: (323) 783-6970Fax: (323) 783-6915
- 7920 Frost St Ste 200San Diego, CA 92123-4289Phone: (858) 966-5840
Registry dates
- Enumerated
- 2006-01-14
- Last updated
- 2019-06-03
Frequently asked questions
- What is Rebecca Mardach's NPI number?
- Rebecca Mardach's National Provider Identifier (NPI) is 1457330607, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Rebecca Mardach's specialty?
- Rebecca Mardach is listed in the NPPES registry with a primary specialty of Clinical Genetics (M.D.) Physician (Allopathic & Osteopathic Physicians).
- Where is Rebecca Mardach located?
- Rebecca Mardach's practice location on file with NPPES is 3030 Childrens Way, San Diego, CA 92123.
- What is Rebecca Mardach's phone number?
- The practice phone number listed in the NPPES registry for Rebecca Mardach is (619) 543-7800.
- Does Rebecca Mardach accept Medicare?
- Rebecca Mardach is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Rebecca Mardach's NPI active?
- Yes — Rebecca Mardach's NPI (1457330607) is active in the NPPES registry as of the last update on 2019-06-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.