Callista Iwuala, APN-C
NPI 1841566486 · Psychiatric/Mental Health Nurse Practitioner · Irvington, NJ
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Callista Iwuala, APN-C is a Psychiatric/Mental Health Nurse Practitioner provider in Irvington, NJ (NPI 1841566486).
Provider details
- NPI number
- 1841566486
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APN-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 26NJ00351900 (NJ)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
14 yrs in NPPES 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
Mailing address
Registry dates
- Enumerated
- 2012-03-28
- Last updated
- 2025-07-16
- Certified
- 2025-07-16
Frequently asked questions
- What is Callista Iwuala's NPI number?
- Callista Iwuala's National Provider Identifier (NPI) is 1841566486, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Callista Iwuala's specialty?
- Callista Iwuala is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Callista Iwuala located?
- Callista Iwuala's practice location on file with NPPES is 860 Grove St, Irvington, NJ 07111-3601.
- What is Callista Iwuala's phone number?
- The practice phone number listed in the NPPES registry for Callista Iwuala is (973) 373-0805.
- Does Callista Iwuala accept Medicare?
- Callista Iwuala is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Callista Iwuala's NPI active?
- Yes — Callista Iwuala's NPI (1841566486) is active in the NPPES registry as of the last update on 2025-07-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.