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

MS. Marcy E Haley, WHNP

Individual provider Women's Health Nurse Practitioner · NPI 1912274341

MS. Marcy E Haley, WHNP is a Nurse Practitioner in Saint Peters, Missouri. Qualified in 2011, 15 years ago. Practices with Washington University, a 2,986-clinician group and accepts Medicare assignment. Licensed in Missouri.

Years since qualifying
15
Licensed in
MO
In the registry since
2011
What do these letters mean?
WHNP — Women's Health Nurse Practitioner
A nurse practitioner specialising in women's health.

See every abbreviation used in this directory →

Practice location Address checks out

209 First Executive Ave
Saint Peters, MO 63376-1697
Phone: (636) 936-8777
Fax: (636) 939-4257
Show map & directions

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

Specialties & licences

Women's Health Nurse Practitioner (primary) Taxonomy 363LW0102X · Licence 2011036000 (MO)

Record details

NPI number1912274341
Entity typeIndividual (Type 1)
GenderFemale
Credentials WHNP
Sole proprietorNo
NPI enumeratedNovember 30, 2011
Last updated in NPPESApril 17, 2025
Mailing addressPo Box 7412065, Chicago, IL 60674-2065

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2011 (15 years in practice)
Group practice Washington University — 2986 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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