Grethel John , APN
Nurse Practitioner • Livingston, NJ
Professional Overview & Biography Verified Profile Summary
Grethel John, APN is a certified Nurse Practitioner practicing in Livingston, NJ. With approximately 5 years of clinical experience since completing medical education in 2021, Grethel John delivers high-quality medical care to the local community at 94 OLD SHORT HILLS RD.
Grethel John is affiliated with Barnabas Health Medical Group Pc and accepts Medicare assignment.
Frequently performed procedures and clinical services include follow-up hospital inpatient care per day. Full Medicare procedure pricing transparency rates and service volume details are listed on this profile.
Practice Location & Contact Primary Location
94 Old Short Hills Rd
Livingston, NJ 070395672
Medicare Profile & Education
Other
2021
✓ Accepts Assignment
In-Person Only
Specialty Benchmarks & Practice Insights
Comparative analytics for Nurse Practitioner in Livingston, NJ
Practicing in Livingston, NJ (1984 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Clinical Seniority & Experience Comparison
Performed Procedures & Service Volume
Top Medicare Part B procedures performed by this practitioner
| HCPCS Code & Description | Services | Patients | Submitted Charge | Medicare Allowed |
|---|---|---|---|---|
|
99231
Follow-up hospital inpatient care per day, typically 15 minutes
|
32 | 28 | $163.00 | $45.22 |
Medical Specialties & State Licenses
CMS Verified: 2024-12-10NUCC Taxonomy Code: 363L00000X
(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.
Hospital & Practice Group Affiliations
Barnabas Health Medical Group Pc
94 Old Short Hills Rd, Livingston, NJ 070395672
Phone: 9733227000
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Psychiatry & Neurology - Neurology
Doctor of Medicine (M.D.)
Nurse Practitioner - Adult Health
Nurse Practitioner
Psychiatry & Neurology - Neurology
Doctor of Medicine (M.D.)
Psychiatry & Neurology - Vascular Neurology
Doctor of Medicine (M.D.)
Psychiatry & Neurology - Neurology
Doctor of Medicine (M.D.)
Psychiatry & Neurology - Neurology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
NPI status registered as active in NPPES database
Registered at 94 OLD SHORT HILLS RD, LIVINGSTON, NJ 070395672 (Tel: 9733226500)
Registered at 94 OLD SHORT HILLS RD, LIVINGSTON, NJ 070395672
Recorded as GRETHEL JOHN, APN
Nurse Practitioner (License #26NJ01236200 in NJ)
First registered as active Individual Practitioner in NPPES Database.
Patient & Community Reviews
Verified patient ratings, medical care experiences, and facility photos
Sign in to leave a review for Grethel John
Only verified registered users can submit ratings, post feedback, and upload facility photos.
NPI Administrative Meta
Mailing Address
94 Old Short Hills Rd
Livingston, NJ 070395672
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.