Marissa Diorio, FNP-C CRNP
NPI 1952273906 · Nurse Practitioner · Wynnewood, PA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Diorio, FNP-C CRNP is a Nurse Practitioner provider in Wynnewood, PA (NPI 1952273906).
Provider details
- NPI number
- 1952273906
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C CRNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- SP033506 (PA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-09-19
- Last updated
- 2026-01-09
- Certified
- 2026-01-09
Frequently asked questions
- What is Marissa Diorio's NPI number?
- Marissa Diorio's National Provider Identifier (NPI) is 1952273906, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Diorio's specialty?
- Marissa Diorio is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Diorio located?
- Marissa Diorio's practice location on file with NPPES is 100 E Lancaster Ave, Wynnewood, PA 19096-3450.
- What is Marissa Diorio's phone number?
- The practice phone number listed in the NPPES registry for Marissa Diorio is (610) 645-6555.
- Does Marissa Diorio accept Medicare?
- Marissa Diorio is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Diorio's NPI active?
- Yes — Marissa Diorio's NPI (1952273906) is active in the NPPES registry as of the last update on 2026-01-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.