Sam Fassnacht
NPI 1558670463 · Medical Physician Assistant · Patchogue, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sam Fassnacht is a Medical Physician Assistant provider in Patchogue, NY (NPI 1558670463).
Provider details
- NPI number
- 1558670463
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
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 tenure33% of score
15 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- 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 · 69 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 206 | 64 |
| Atorvastatin Calcium | 189 | 58 |
| Levothyroxine Sodium | 161 | 45 |
| Amlodipine Besylate | 143 | 46 |
| Alprazolam | 117 | 28 |
| Metoprolol Succinate | 108 | 32 |
| Fluticasone Propionate |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$886 across 42 records (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
Registry dates
- Enumerated
- 2010-09-27
- Last updated
- 2016-12-28
Frequently asked questions
- What is Sam Fassnacht's NPI number?
- Sam Fassnacht's National Provider Identifier (NPI) is 1558670463, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sam Fassnacht's specialty?
- Sam Fassnacht is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sam Fassnacht located?
- Sam Fassnacht's practice location on file with NPPES is 130 Medford Ave, Patchogue, NY 11772-1206.
- What is Sam Fassnacht's phone number?
- The practice phone number listed in the NPPES registry for Sam Fassnacht is (631) 475-5734.
- Does Sam Fassnacht accept Medicare?
- Sam Fassnacht is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sam Fassnacht's NPI active?
- Yes — Sam Fassnacht's NPI (1558670463) is active in the NPPES registry as of the last update on 2016-12-28.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.