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

Marissa Laura Diorio, FNP-CCRNP

Individual provider Family Nurse Practitioner · NPI 1952273906

Marissa Laura Diorio, FNP-CCRNP is a Nurse Practitioner in Wynnewood, Pennsylvania. Qualified in 2025, 1 year ago. Practices with Main Line Healthcare, a 1,153-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Pennsylvania.

Years since qualifying
1
Licensed in
PA
In the registry since
2025
Specialties on file
2
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Practice location Address checks out

100 E Lancaster Ave Ste 330 Mob West
Wynnewood, PA 19096-3450
Phone: (610) 645-6555
Fax: (610) 649-4744
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence SP033506 (PA)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence SP033506 (PA)

Record details

NPI number1952273906
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP-CCRNP
Sole proprietorYes
NPI enumeratedSeptember 19, 2025
Last updated in NPPESJanuary 9, 2026
Certification dateJanuary 9, 2026

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2025 (1 years in practice)
Group practice Main Line Healthcare — 1153 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Wynnewood