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Edit this profileAt a glance
- 94 Old Short Hills Rd, Livingston, NJ 07039
About Grethel John
Grethel John, APN is a nurse practitioner based in Livingston, NJ. The provider's National Provider Identifier (NPI) is 1770241663.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (973) 322-6500
- Email not available
Practice Locations
94 OLD SHORT HILLS RD
Livingston, NJ 07039
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other nurse practitioners at this location 2
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
More connections — 22 related providers in 3 groups
Other nurse practitioners in Livingston 6
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2021 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What does Grethel John specialize in?
Grethel John is a nurse practitioner in Livingston, NJ. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Grethel John located?
Grethel John is listed at 94 Old Short Hills Rd, Livingston, NJ 07039. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Grethel John's phone number?
The number on file is (973) 322-6500. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Grethel John?
Grethel John's National Provider Identifier is 1770241663. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Grethel John train?
Grethel John attended Other, graduating in 2021. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Grethel John have?
Grethel John has 5 years experience. Calculated from a graduation year of 2021, reported in the CMS National Downloadable File.
CMS public data
Is Grethel John's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Grethel John. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.