Provider Profile
Ryann L. Mattessich, ACNP
Unclaimed ProfileAbout Ryann Mattessich
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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.
Contact Information
- (973) 972-4708
- Email not available
Practice Locations
185 S ORANGE AVE MSB I593
Newark, NJ 07103
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 2
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.
Common questions
What does Ryann L. Mattessich specialize in?
Ryann L. Mattessich is a nurse practitioner in Newark, NJ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Acute Care”.
NPI registry
Where is Ryann L. Mattessich located?
Ryann L. Mattessich is listed at 185 S Orange Ave Msb I593, Newark, NJ 07103. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ryann L. Mattessich's phone number?
The number on file is (973) 972-4708. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Ryann L. Mattessich's NPI number?
Ryann L. Mattessich's National Provider Identifier is 1386870418. 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
How long has Ryann L. Mattessich been practicing?
Ryann L. Mattessich has 17+ years experience. Registered with an NPI since 2009. National Provider Identifiers only began in 2005, so a provider who qualified earlier may have practiced for longer than this.
NPI registry
Has Ryann L. Mattessich confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Ryann L. Mattessich. 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.