Provider Profile
Marissa L. Diorio, FNP-C CRNP
Unclaimed ProfileAbout Marissa Diorio
Marissa L. Diorio, FNP-C CRNP is a nurse practitioner practicing in Wynnewood, PA. Marissa is also listed as specializing in nurse practitioner — family.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (610) 645-6555
- Email not available
Practice Locations
100 E LANCASTER AVE SUITE 330 MOB WEST
Wynnewood, PA 19096
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 23 related providers in 3 groups
Other nurse practitioners in Wynnewood 7
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2025 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Marissa L. Diorio?
Marissa L. Diorio is a nurse practitioner in Wynnewood, PA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Marissa L. Diorio's address?
Marissa L. Diorio is listed at 100 E Lancaster Ave Suite 330 Mob West, Wynnewood, PA 19096. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marissa L. Diorio?
The number on file is (610) 645-6555. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marissa L. Diorio's NPI number?
Marissa L. Diorio's National Provider Identifier is 1952273906. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Marissa L. Diorio train?
Marissa L. Diorio attended Other, graduating in 2025. This comes from the CMS National Downloadable File.
CMS public data
How long has Marissa L. Diorio been practicing?
Marissa L. Diorio has 1 year experience. Calculated from a graduation year of 2025, reported in the CMS National Downloadable File.
CMS public data
Has Marissa L. Diorio confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa L. Diorio. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.