Marissa Diescher, FNP
NPI 1154084028 · Family Nurse Practitioner · Wappingers Falls, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marissa Diescher, FNP is a Family Nurse Practitioner provider in Wappingers Falls, NY (NPI 1154084028).
Provider details
- NPI number
- 1154084028
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- No
- License
- 352569 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
4 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
5 documented practice locations
- Medicare service volume (vs. specialty peers)28% of score
370 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 118 | $87 |
| New Patient Office Or Other Outpatient Visit With Low Level of Medical Decision Making, If Using Time, 30 Minutes Or More99203 | 59 | $107 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 37 | $121 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 35 | $162 |
| Urinalysis, Manual Test81002 | 33 | $3 |
| Detection Test By Immunoassay With Direct Visual Observation for Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 10 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 38 | 37 |
| Mupirocin | 36 | 36 |
| Doxycycline Hyclate | 27 | 27 |
| Prednisone | 26 | 26 |
| Azithromycin | 25 | 24 |
| Fluticasone Propionate | 25 | 24 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 24 | 24 |
Practice location
Mailing address
Additional practice locations (4)
- 1862 Pleasantville RdBriarcliff Manor, NY 10510-1051Phone: (845) 204-9500
- 3144 East Main StMohegan Lake, NY 10547-1054Phone: (845) 204-9500
- 572 Route 6Mahopac, NY 10541-4787Phone: (845) 204-9260Fax: (845) 204-9257
- 645 Marble AveThornwood, NY 10594-1062Phone: (845) 204-9500
Registry dates
- Enumerated
- 2021-10-18
- Last updated
- 2023-08-24
- Certified
- 2023-08-24
Frequently asked questions
- What is Marissa Diescher's NPI number?
- Marissa Diescher's National Provider Identifier (NPI) is 1154084028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marissa Diescher's specialty?
- Marissa Diescher is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marissa Diescher located?
- Marissa Diescher's practice location on file with NPPES is 900 Route 376 Ste H, Wappingers Falls, NY 12590-6496.
- What is Marissa Diescher's phone number?
- The practice phone number listed in the NPPES registry for Marissa Diescher is (845) 204-9260.
- Does Marissa Diescher accept Medicare?
- Marissa Diescher is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marissa Diescher's NPI active?
- Yes — Marissa Diescher's NPI (1154084028) is active in the NPPES registry as of the last update on 2023-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.