Justin Liddy, PA-C
NPI 1780154443 · Physician Assistant · Mahwah, NJ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justin Liddy, PA-C is a Physician Assistant provider in Mahwah, NJ (NPI 1780154443).
Provider details
- NPI number
- 1780154443
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Male
- Sole proprietor
- Yes
- License
- 25MP00500100 (NJ)
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
7 yrs in NPPES registry
- Profile completeness33% of score
100% 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.
$29 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
Registry dates
- Enumerated
- 2018-11-26
- Last updated
- 2018-11-26
Frequently asked questions
- What is Justin Liddy's NPI number?
- Justin Liddy's National Provider Identifier (NPI) is 1780154443, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Liddy's specialty?
- Justin Liddy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Justin Liddy located?
- Justin Liddy's practice location on file with NPPES is 1400 Macarthur Blvd, Mahwah, NJ 07430-3618.
- What is Justin Liddy's phone number?
- The practice phone number listed in the NPPES registry for Justin Liddy is (201) 316-8431.
- Does Justin Liddy accept Medicare?
- Justin Liddy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justin Liddy's NPI active?
- Yes — Justin Liddy's NPI (1780154443) is active in the NPPES registry as of the last update on 2018-11-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.