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

Maddisson Ann Haslett, NP

Individual provider Gerontology Nurse Practitioner · NPI 1700524618

Maddisson Ann Haslett, NP is a Nurse Practitioner in Saint Louis, Missouri. Qualified in 2021, 5 years ago. Practices with Signature Medical Group Inc, a 40-clinician group and accepts Medicare assignment. Licensed in Illinois and Missouri.

Years since qualifying
5
Licensed in
IL, MO
In the registry since
2022
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

12639 Old Tesson Rd Ste 115
Saint Louis, MO 63128-2786
Phone: (314) 849-0311
Fax: (314) 849-4423
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gerontology Nurse Practitioner (primary) Taxonomy 363LG0600X · Licence 2022017958 (MO)
Gerontology Nurse Practitioner Taxonomy 363LG0600X · Licence 209025216 (IL)

Record details

NPI number1700524618
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMay 23, 2022
Last updated in NPPESAugust 19, 2025
Certification dateAugust 19, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2021 (5 years in practice)
Group practice Signature Medical Group Inc — 40 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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