Joseph Mashni, FNP
NPI 1265424527 · Nurse Practitioner · Watervliet, MI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Mashni, FNP is a Nurse Practitioner provider in Watervliet, MI (NPI 1265424527).
Provider details
- NPI number
- 1265424527
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Male
- Sole proprietor
- No
- License
- 47-04-141572 (MI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 yrs in NPPES registry
- Profile completeness33% of score
100% of core fields populated
- Practice footprint20% of score
2 documented practice locations
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Prednisone | 147 | 142 |
| Cephalexin | 73 | 71 |
| Amoxicillin | 49 | 47 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 49 | 49 |
| Azithromycin | 39 | 38 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 25 | 22 |
| Methylprednisolone | 22 | 22 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$19 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 310 S Front StDowagiac, MI 49047-1740Phone: (269) 782-8696
Registry dates
- Enumerated
- 2005-08-22
- Last updated
- 2023-08-15
- Certified
- 2023-08-15
Frequently asked questions
- What is Joseph Mashni's NPI number?
- Joseph Mashni's National Provider Identifier (NPI) is 1265424527, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Mashni's specialty?
- Joseph Mashni is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Joseph Mashni located?
- Joseph Mashni's practice location on file with NPPES is 460 Medical Park Dr Ste 200, Watervliet, MI 49098-9225.
- What is Joseph Mashni's phone number?
- The practice phone number listed in the NPPES registry for Joseph Mashni is (269) 463-3600.
- Does Joseph Mashni accept Medicare?
- Joseph Mashni is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Mashni's NPI active?
- Yes — Joseph Mashni's NPI (1265424527) is active in the NPPES registry as of the last update on 2023-08-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.