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

Marianna Hacker, NP

Individual provider Adult Health Nurse Practitioner · NPI 1689395477

Marianna Hacker, NP is a Nurse Practitioner in Smithtown, New York. Qualified in 2022, 4 years ago. Practices with St Catherine of Siena Medical Center, a 94-clinician group and accepts Medicare assignment. Licensed in New York.

Years since qualifying
4
Licensed in
NY
In the registry since
2022
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

See every abbreviation used in this directory →

Practice location Address checks out

50 NY-25A
Smithtown, NY 11787-3448
Phone: (631) 784-7200
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Adult Health Nurse Practitioner (primary) Taxonomy 363LA2200X · Licence 310892 (NY)

Record details

NPI number1689395477
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedSeptember 8, 2022
Last updated in NPPESNovember 22, 2022
Certification dateNovember 22, 2022
Mailing address41 Gildare Dr, East Northport, NY 11731-3227

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2022 (4 years in practice)
Group practice St Catherine Of Siena Medical Center — 94 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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