Katrine Luddy, PA-C
NPI 1619772456 · Physician Assistant · Ridgewood, NJ
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Katrine Luddy, PA-C is a Physician Assistant provider in Ridgewood, NJ (NPI 1619772456).
Provider details
- NPI number
- 1619772456
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- 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 tenure38% of score
1 yr in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-02-17
- Last updated
- 2025-02-17
- Certified
- 2025-02-16
Frequently asked questions
- What is Katrine Luddy's NPI number?
- Katrine Luddy's National Provider Identifier (NPI) is 1619772456, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Katrine Luddy's specialty?
- Katrine Luddy is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Katrine Luddy located?
- Katrine Luddy's practice location on file with NPPES is 527 W Saddle River Rd, Ridgewood, NJ 07450-2024.
- What is Katrine Luddy's phone number?
- The practice phone number listed in the NPPES registry for Katrine Luddy is (201) 394-8159.
- Does Katrine Luddy accept Medicare?
- Katrine Luddy is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Katrine Luddy's NPI active?
- Yes — Katrine Luddy's NPI (1619772456) is active in the NPPES registry as of the last update on 2025-02-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.