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

Marissa Jill Diescher, FNP

Individual provider Family Nurse Practitioner · NPI 1154084028

Marissa Jill Diescher, FNP is a Nurse Practitioner in Wappingers Falls, New York. Qualified in 2023, 3 years ago. Practices with Ashraf Medical Group PLLC, a 30-clinician group, works from 5 locations and accepts Medicare assignment. Licensed in New York.

Years since qualifying
3
Licensed in
NY
In the registry since
2021
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

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Practice location Address checks out

900 Route 376 Ste H
Wappingers Falls, NY 12590-6496
Phone: (845) 204-9260
Fax: (845) 204-9257
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 1862 Pleasantville Rd, Briarcliff Manor, NY 10510-1051 — (845) 204-9500
  • 3144 East Main St, Mohegan Lake, NY 10547-1054 — (845) 204-9500
  • 572 Route 6, Mahopac, NY 10541-4787 — (845) 204-9260
  • 645 Marble Ave, Thornwood, NY 10594-1062 — (845) 204-9500

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 352569 (NY)

Record details

NPI number1154084028
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedOctober 18, 2021
Last updated in NPPESAugust 24, 2023
Certification dateAugust 24, 2023

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Ashraf Medical Group Pllc — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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