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

Mrs. Ann Marie Boss, CNM

Individual provider Advanced Practice Midwife · NPI 1376204503

Mrs. Ann Marie Boss, CNM is an Advanced Practice Midwife in Rancho Palos Verdes, California. Practices as a sole proprietor. Licensed in California and Hawaii.

Licensed in
CA, HI
In the registry since
2022
Specialties on file
2
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.

See every abbreviation used in this directory →

Practice location Address checks out

30057 Avenida Tranquila
Rancho Palos Verdes, CA 90275-4514
Phone: (310) 947-9902
Fax: (424) 251-5972
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Midwife (primary) Taxonomy 176B00000X · Licence 1231 (CA)
Advanced Practice Midwife Taxonomy 367A00000X · Licence APRN-557-0 (HI)

Record details

NPI number1376204503
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM
Sole proprietorYes
NPI enumeratedJanuary 10, 2022
Last updated in NPPESAugust 20, 2025
Certification dateAugust 20, 2025

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