Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1972320125 Individual Practitioner Male Practitioner

Jack Greiner

Nurse Practitioner - Acute Care • Nutley, NJ

✓ Accepts Medicare Assignment

Professional Overview & Biography Verified Profile Summary

Jack Greiner is a certified Nurse Practitioner - Acute Care practicing in Nutley, NJ. With approximately 1 years of clinical experience since completing medical education in 2025, Jack Greiner delivers high-quality medical care to the local community at 340 KINGSLAND ST.

Jack Greiner is affiliated with Barnabas Health Medical Group Pc and accepts Medicare assignment.

Practice Location & Contact Primary Location

Practice Address

340 Kingsland St

Nutley, NJ 071101150

Telephone 9737619306

Medicare Profile & Education

Medical School

Other

Graduation Year

2025

Medicare Assignment

✓ Accepts Assignment

Telehealth Flag

In-Person Only

Specialty Benchmarks & Practice Insights

Comparative analytics for Nurse Practitioner - Acute Care in Nutley, NJ

Rising Specialist (<5 Yrs)
Practitioner Clinical Experience
1 Yrs Matches City Avg
City Avg: 1.0 Yrs
State Avg: 10.9 Yrs
Regional Practice Density
2 Specialists

Practicing in Nutley, NJ (872 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Clinical Seniority & Experience Comparison

Dr. Greiner (1 Years) 1 Yrs
Nutley Specialty Average (1.0 Years) 1.0 Yrs

Medical Specialties & State Licenses

CMS Verified: 2024-09-20
Nurse Practitioner - Acute Care Primary Specialty

NUCC Taxonomy Code: 363LA2100X

State License NJ 26NJ15141400

Definition to come...

Hospital & Practice Group Affiliations

Barnabas Health Medical Group Pc

94 Old Short Hills Rd, Livingston, NJ 070395672

Phone: 9733225630

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

3 Associated Practitioners
Yeltsie Volcy

Student in an Organized Health Care Education/Training Program

NPI 1225917552
Al-Jathiyah Burgess

Student in an Organized Health Care Education/Training Program

NPI 1508744764
Karen Kim

Registered Nurse - Psychiatric/Mental Health

NPI 1760214787

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active September 20, 2024

NPI status registered as active in NPPES database

📍
Updated Practice Location September 20, 2024

Registered at 340 KINGSLAND ST, NUTLEY, NJ 071101150 (Tel: 9737619306)

📍
Updated Business Mailing Address September 20, 2024

Registered at 340 KINGSLAND ST, NUTLEY, NJ 071101150

👤
Provider Name / Credentials Updated September 20, 2024

Recorded as JACK GREINER

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) September 20, 2024

Nurse Practitioner (License #26NJ15141400 in NJ)

🟢
Initial NPI Registration & Enumeration September 20, 2024

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1972320125
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 20, 2024
Last Update: September 20, 2024
Sole Proprietor: No

Mailing Address

340 Kingsland St

Nutley, NJ 071101150

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.