Dr. Sarah Stack MD
Also known as
- Also known asKeefer, Sarah Ml
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1437473097 is registered to Dr. Sarah Stack MD, a Pediatric Cardiology Physician practising at 106 La Casa Via Ste 220 in Walnut Creek, California. Pediatric Cardiology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Sarah Stack MD has been enumerated in the National Provider Identifier (NPI) registry since 2010.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20190715000902Pediatric MedicineCA
Source: CMS PECOS public enrollment file.
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 Dr. Sarah Stack MD accepts. To confirm in-network status with your specific health plan, contact Dr. Sarah Stack MD directly at (650) 497-8000.
Frequently asked
Yes. NPI 1437473097 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Cardiology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
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 (650) 497-8000.
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. Dr. Sarah Stack MD is a Type-1 individual NPI.