Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Tamsin Barker, MSN, NNP-BC

Individual provider Critical Care Neonatal Nurse Practitioner · NPI 1538049721

Tamsin Barker, MSN, NNP-BC is a Nurse Practitioner in San Francisco, California. Qualified in 2024, 2 years ago. Practices as a sole proprietor. Licensed in California.

Years since qualifying
2
Licensed in
CA
In the registry since
2025
What do these letters mean?
MSN — Master of Science in Nursing
A graduate nursing degree, usually held alongside an advanced practice licence.

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Practice location Address checks out

1975 4th St
San Francisco, CA 94143-2351
Phone: (415) 290-7760
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Critical Care Neonatal Nurse Practitioner (primary) Taxonomy 363LN0005X · Licence 95036643 (CA)

Record details

NPI number1538049721
Entity typeIndividual (Type 1)
GenderFemale
Credentials MSN , NNP-BC
Sole proprietorYes
NPI enumeratedSeptember 8, 2025
Last updated in NPPESSeptember 9, 2025
Certification dateSeptember 9, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2024 (2 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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