Provider Profile
John Trentin
Unclaimed ProfileAbout John Trentin
No biography has been added yet. Is this you? Claim this profile to add one.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (614) 245-6528
- Email not available
Practice Locations
200 KALMUS DR
Costa Mesa, CA 92626
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
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.
Other nurse practitioners in Costa Mesa 8
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
More connections — 8 related providers in 1 group
Class of 2024 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is John Trentin?
John Trentin is a nurse practitioner in Costa Mesa, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Nurse Practitioner — Family”.
NPI registry
What is John Trentin's address?
John Trentin is listed at 200 Kalmus Dr, Costa Mesa, CA 92626. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with John Trentin?
The number on file is (614) 245-6528. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is John Trentin's NPI number?
John Trentin's National Provider Identifier is 1518671684. 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 John Trentin train?
John Trentin attended Other, graduating in 2024. This comes from the CMS National Downloadable File.
CMS public data
How long has John Trentin been practicing?
John Trentin has 2 years experience. Calculated from a graduation year of 2024, reported in the CMS National Downloadable File.
CMS public data
Has John Trentin confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by John Trentin. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.