Mary Costello, NP
Costello Nurse Practitioner
1497922157Is Mary Costello, NP a Good Nurse Practitioner?
Mary Costello, NP has a trust score of 89/100 — placing them in the top tier of verified nurse practitioners in South Orange, NJ. With 18 years of practice (above the local average of 9), they have solid experience.
The most important verification step for any nurse practitioner is confirming an active, unrestricted license with the state board — use the panel on this page to check Costello's current standing and any public disciplinary actions directly at the source.
What is a family nurse practitioner?
Family nurse practitioners provide primary care across the lifespan — from children to seniors — including checkups, chronic-disease management, and preventive care.
When to see one: For whole-family primary care and ongoing health needs.
More about family nurse practitioners →Trust Verification
- NPI Active
- License Active
- No Disciplinary Actions
- Credentials Verified
- Established Practice
- Focus Verified
Nurse practitioners in South Orange, NJ
South Orange has 23 verified nurse practitioners on NPProof, with an average of about 9 years in practice, and 9 focused on family nurse practitioner. New Jersey nurse practitioners are licensed and disciplined by the New Jersey Board of Nursing, whose public record covers license status, disciplinary actions.
Peer Comparison
18
Years practicing
9
Avg in South Orange
23
Nurse Practitioners in South Orange
NP
Credential
Before your appointment
- Confirm Costello's license is active and unrestricted with the New Jersey board of nursing (link on this page).
- Ask whether they practice independently or under a collaborative agreement — scope varies by state.
- Confirm they can prescribe what you may need, including any controlled medications, in your state.
- Describe your health goal and ask whether they handle it directly or coordinate with a physician.
- Ask about cost, insurance, and typical appointment length.
Frequently asked questions
Is Mary Costello, NP a licensed nurse practitioner?
Mary Costello, NP is an advanced-practice nurse practitioner (NP) with an NPI (1497922157) on file in the national provider registry. Active license status and any public disciplinary actions are maintained by the New Jersey Board of Nursing — verify current standing using the link on this page.
How experienced is Mary Costello, NP?
Mary Costello, NP has approximately 18 years in practice, based on NPI enumeration date. The average nurse practitioner in South Orange has about 9 years. There are 23 nurse practitioners in South Orange, including 9 with a family nurse practitioner focus.
Where is Mary Costello, NP located?
Mary Costello, NP practices at Costello Nurse Practitioner, 400 SOUTH ORANGE AVENUE, SETON HALL UNIVERSITY HEALTH SERVICES, South Orange, NJ 07079. Phone: (973) 761-9175.
Related reading
Verify License & Discipline
License status and public disciplinary actions are maintained by the New Jersey Board of Nursing, whose official record verifies license status, disciplinary actions. Check Costello's current standing at the source:
Look up on the state boardWe link to the official board rather than republishing discipline records, so you always see the most current, authoritative status.
Quick Facts
- Focus
- Family Nurse Practitioner
- Credential
- NP
- Gender
- Female
- NPI Since
- 05/13/2008