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

Ashley Guntkowski Mast, CNM, RN

Individual provider Advanced Practice Midwife · NPI 1548400567

Ashley Guntkowski Mast, CNM, RN is an Advanced Practice Midwife in San Diego, California. Licensed in California and Florida. Registered with an NPI since 2009.

Licensed in
CA, FL
In the registry since
2009
Specialties on file
2
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

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Practice location Address checks out

4060 Fairmount Ave
San Diego, CA 92105-1608
Phone: (619) 255-9155
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence 1827 (CA)
Advanced Practice Midwife Taxonomy 367A00000X · Licence 9375335 (FL)

Record details

NPI number1548400567
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM , RN
Sole proprietorNo
NPI enumeratedMarch 3, 2009
Last updated in NPPESApril 6, 2020
Certification dateApril 6, 2020

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