Tamsin Barker MSN, Nnp-Bc
Also known as
- Formerly known asSummers, Tamsin
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1538049721 is registered to Tamsin Barker MSN, Nnp-Bc, a Critical Care Neonatal Nurse Practitioner practising at 1975 4th St in San Francisco, California. Critical Care Neonatal Nurse Practitioner is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Tamsin Barker MSN, Nnp-Bc has been enumerated in the National Provider Identifier (NPI) registry since 2025.
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
- I20251020002102Nurse PractitionerCA
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 Tamsin Barker MSN, Nnp-Bc accepts. To confirm in-network status with your specific health plan, contact Tamsin Barker MSN, Nnp-Bc directly at (415) 290-7760.
Frequently asked
Yes. NPI 1538049721 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Critical Care Neonatal Nurse Practitioner 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 (415) 290-7760.
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. Tamsin Barker MSN, Nnp-Bc is a Type-1 individual NPI.