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

Miss. Holly S. Messina, CRNP

Individual provider Family Nurse Practitioner · NPI 1861633844

Miss. Holly S. Messina, CRNP is a Nurse Practitioner in Austintown, Ohio. Qualified in 2008, 18 years ago. Practices with Mercy Health Physicians Youngstown, LLC, a 117-clinician group and accepts Medicare assignment. Licensed in Ohio and Pennsylvania.

Years since qualifying
18
Licensed in
OH, PA
In the registry since
2009
Specialties on file
2
What do these letters mean?
CRNP — Certified Registered Nurse Practitioner
The title Pennsylvania and some other states use for a nurse practitioner.

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Practice location Address checks out

5533 Mahoning Ave Fl 2
Austintown, OH 44515-2366
Phone: (330) 793-2701
Fax: (330) 793-8688
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence APRN.CNP.12305 (OH)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence SP010246 (PA)

Record details

NPI number1861633844
Entity typeIndividual (Type 1)
GenderFemale
Credentials CRNP
Sole proprietorNo
NPI enumeratedMarch 20, 2009
Last updated in NPPESMay 12, 2021
Certification dateMay 12, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2008 (18 years in practice)
Group practice Mercy Health Physicians Youngstown, Llc — 117 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Austintown