Sarah Lowenthal, M.D., A Professional Corporation
About this NPIWhat this record shows.
NPI 1619433216 is registered to Sarah Lowenthal, M.D., A Professional Corporation, a healthcare organisation classified as "Family Medicine" and located at 655 Redwood Hwy Frontage Rd Ste 364 in Mill Valley, California. The organisation's authorised official is Sarah Lowenthal. The organisation has been enumerated in the NPI registry since 2019.
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Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Sarah Lowenthal, M.D., A Professional Corporation accepts. To confirm in-network status with your specific health plan, contact Sarah Lowenthal, M.D., A Professional Corporation directly at (415) 569-4918.
Frequently asked
Yes. NPI 1619433216 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Family Medicine physicians provide comprehensive primary care for patients of all ages, including preventive care, chronic disease management, and acute illness treatment.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (415) 569-4918.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Sarah Lowenthal, M.D., A Professional Corporation is a Type-2 organisational NPI.