What is Jennifer Castelan's NPI number?

Jennifer Castelan's National Provider Identifier (NPI) is 1265388466, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Jennifer Castelan's specialty?

Jennifer Castelan is listed in the NPPES registry with a primary specialty of Licensed Practical Nurse (Nursing Service Providers).

Where is Jennifer Castelan located?

Jennifer Castelan's practice location on file with NPPES is 16 Seusing Blvd, Ronkonkoma, NY 11779-4642.

What is Jennifer Castelan's phone number?

The practice phone number listed in the NPPES registry for Jennifer Castelan is (631) 987-7399.

Is Jennifer Castelan's NPI active?

Yes — Jennifer Castelan's NPI (1265388466) is active in the NPPES registry as of the last update on 2026-03-09.

IndividualActive

Jennifer Castelan

NPI 1265388466 · Licensed Practical Nurse · Ronkonkoma, NY

Jennifer Castelan is a Licensed Practical Nurse provider in Ronkonkoma, NY (NPI 1265388466).

Provider details

NPI number: 1265388466
Entity type: Individual
Primary specialty: Licensed Practical NurseNursing Service Providers
Sex: Female
Sole proprietor: Yes
License: 345125-01 (NY)

Specialties & taxonomies

Licensed Practical NursePrimary164W00000XLicense 345125-01 (NY)
Nursing Service Providers

Profile Score

Established profile(53/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
Under 1 yr in registry
Profile completeness38% of score
100% 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

16 Seusing Blvd

Ronkonkoma, NY 11779-4642

Phone: (631) 987-7399

Street-level locationGet directions

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Mailing address