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MARISSA JILL DIESCHER FNP
NPI 1154084028
Nurse Practitioner - Family in Wappingers Falls, NY

Active since October 18, 2021PECOS EnrolledAccepts Medicare Assignment
900 ROUTE 376 STE H, WAPPINGERS FALLS, NY 12590(845) 204-9260(845) 204-9257 Get Directions Write a Review

NPPES record last updated: August 24, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 24, 2023, Oct 18, 2021 (2 updates tracked since 2021).

About Marissa Jill Diescher Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MARISSA JILL DIESCHER FNP (NPI 1154084028) is an individual family provider in Wappingers Falls, New York, licensed in New York (352569) and active in the NPI registry since October 2021. She is enrolled in Medicare PECOS, maintains 4 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1154084028
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameMARISSA JILL DIESCHERCredential: FNP
Location Address900 ROUTE 376 STE HWappingers Falls, NY 12590-6496
Mailing Address245 Goff RdLivingston Manor, NY 12758-5728
Phone(845) 204-9260
Fax(845) 204-9257
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateOctober 18, 2021
Last NPPES UpdateAugust 24, 20232 updates tracked since enumeration
NPPES CertifiedAugust 24, 2023
✔ NPI 1154084028 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License✔ Licensed in NY · 352569
900 ROUTE 376 STE H, Wappingers Falls, NY 12590
Open in Google Maps ↗

Secondary Practice Locations 4

Location 11862 PLEASANTVILLE RDBRIARCLIFF MANOR, NY 10510-1051 · Phone (845) 204-9500
Location 2572 Route 6Mahopac, NY 10541-4787 · Phone (845) 204-9260 · Fax (845) 204-9257
Location 33144 EAST MAIN STMOHEGAN LAKE, NY 10547-1054 · Phone (845) 204-9500
Location 4645 Marble AveThornwood, NY 10594-1062 · Phone (845) 204-9500

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa Jill Diescher Fnp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8921452798
PECOS Enrollment IDI20230927002420
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marissa Diescher reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ashraf Medical Group PLLC
Same address
Urgent Care
900 ROUTE 376, SUITE H
Wappingers Falls, NY 12590
  • Reassigned Medicare billing, New York enrollment
  • 41 clinicians in this Medicare group
NPI 1821387382 (845) 204-9260

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
118 services110 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
59 services59 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
37 services34 patients
New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more 99204
This is a first-time office or outpatient visit lasting between 45-59 minutes. The healthcare provider evaluates your health, discusses your medical history, and may suggest further tests or treatments. It's an opportunity to ask questions and understand your health better.
35 services35 patients
Urinalysis, manual test 81002
A urinalysis is a simple, non-invasive test that checks the urine for various elements such as sugar, protein, and signs of infection. It can help detect many common conditions, including kidney disease and diabetes. The manual test involves a lab technician examining a urine sample.
33 services32 patients
Detection test by immunoassay with direct visual observation for severe acute respiratory syndrome coronavirus 2 (covid-19) 87811
This is a test to detect COVID-19, the virus causing severe respiratory illness. It uses a method called immunoassay, which identifies the virus by its unique proteins. The test is directly observed for accuracy. It helps determine if you're currently infected.
32 services32 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 12590 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$95.99 typical visit price
range $61.88 – $187.05
Typical copayment $23.99 (range $15.47 – $46.76)
Most-billed visit code 99203
Established Patient
$108.56 typical visit price
range $19.92 – $151.94
Typical copayment $27.14 (range $4.98 – $37.98)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. LISA R. PARRY-BIRNSTILL FNP
Nurse Practitioner (Family)
900 ROUTE 376 STE H
WAPPINGERS FALLS, NY 12590
Dutchess County (845) 204-9500
JUDE A JACOB NP
Nurse Practitioner (Family)
900 ROUTE 376 STE H
WAPPINGERS FALLS, NY 12590
Dutchess County (845) 204-9260
RAMAN KUMAR SHARMA
Family Medicine
900 ROUTE 376 STE H
WAPPINGERS FALLS, NY 12590
Dutchess County (845) 204-9260

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Diescher's NPI number?

The NPI number for Marissa Diescher is 1154084028. It was assigned to this individual provider in the NPPES registry on October 18, 2021.

Where is Marissa Diescher located?

Marissa Diescher practices at 900 Route 376 Ste H, Wappingers Falls, NY 12590. The listed phone number is (845) 204-9260.

What is Marissa Diescher's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Marissa Diescher enrolled in Medicare?

Yes. Marissa Diescher is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Marissa Diescher's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Diescher reassigns Medicare benefits to Ashraf Medical Group PLLC (Wappingers Falls, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marissa Diescher's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marissa Diescher was last updated on August 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.