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

Mrs. Mary Ruth Leyendecker, NP

Individual provider Family Nurse Practitioner · NPI 1417322397

Mrs. Mary Ruth Leyendecker, NP is a Nurse Practitioner in Hamilton, Ohio. Qualified in 2017, 9 years ago. Practices with First Step Recovery Center, a 10-clinician group, works from 2 locations and offers telehealth. Licensed in Ohio.

Years since qualifying
9
Licensed in
OH
In the registry since
2015
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.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1910 Fairgrove Ave
Hamilton, OH 45011-1930
Phone: (513) 868-0055
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Additional practice locations (1)

  • 1215 1st Ave, Middletown, OH 45044-4117 — (513) 849-2081

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence APRN.CNP.18443 (OH)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence COA.18443-NP (OH)

Record details

NPI number1417322397
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedDecember 3, 2015
Last updated in NPPESJanuary 22, 2026
Certification dateJanuary 22, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2017 (9 years in practice)
Group practice First Step Recovery Center — 10 clinicians
Accepts Medicare assignment Not indicated
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Other providers in Hamilton