Shane Martensen
NPI 1336738913 · Physician Assistant · East Islip, NY
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Shane Martensen is a Physician Assistant provider in East Islip, NY (NPI 1336738913).
Provider details
- NPI number
- 1336738913
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
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
5 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,286 across 16 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
- 2021-01-18
- Last updated
- 2021-01-18
- Certified
- 2021-01-18
Frequently asked questions
- What is Shane Martensen's NPI number?
- Shane Martensen's National Provider Identifier (NPI) is 1336738913, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Shane Martensen's specialty?
- Shane Martensen is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Shane Martensen located?
- Shane Martensen's practice location on file with NPPES is 35 the Moor, East Islip, NY 11730-2922.
- What is Shane Martensen's phone number?
- The practice phone number listed in the NPPES registry for Shane Martensen is (631) 383-2476.
- Does Shane Martensen accept Medicare?
- Shane Martensen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Shane Martensen's NPI active?
- Yes — Shane Martensen's NPI (1336738913) is active in the NPPES registry as of the last update on 2021-01-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.