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

Holly Tammens, CNM

Individual provider Advanced Practice Midwife · NPI 1215320270

Holly Tammens, CNM is a Certified Nurse Midwife (CNM) in Honolulu, Hawaii. Qualified in 2014, 12 years ago. Practices with Koolau Womens Health Care Inc, a 5-clinician group and accepts Medicare assignment. Licensed in Hawaii.

Years since qualifying
12
Licensed in
HI
In the registry since
2015
What do these letters mean?
CNM — Certified Nurse-Midwife
An advanced practice nurse who provides prenatal care and delivers babies.

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Practice location Address checks out

915 N King St
Honolulu, HI 96817-4544
Phone: (808) 848-1438
Show map & directions

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

Specialties & licences

Advanced Practice Midwife (primary) Taxonomy 367A00000X · Licence 1763 (HI)

Record details

NPI number1215320270
Entity typeIndividual (Type 1)
GenderFemale
Credentials CNM
Sole proprietorNo
NPI enumeratedMarch 13, 2015
Last updated in NPPESMarch 13, 2015

Medicare enrollment

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

Medicare specialtyCERTIFIED NURSE MIDWIFE (CNM)
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Koolau Womens Health Care Inc — 5 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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