John Trentin
NPI 1518671684 · Family Nurse Practitioner · Costa Mesa, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Trentin is a Family Nurse Practitioner provider in Costa Mesa, CA (NPI 1518671684).
Provider details
- NPI number
- 1518671684
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 95023795 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2023-01-12
- Last updated
- 2023-01-12
- Certified
- 2023-01-12
Frequently asked questions
- What is John Trentin's NPI number?
- John Trentin's National Provider Identifier (NPI) is 1518671684, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Trentin's specialty?
- John Trentin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Trentin located?
- John Trentin's practice location on file with NPPES is 200 Kalmus Dr, Costa Mesa, CA 92626-5922.
- What is John Trentin's phone number?
- The practice phone number listed in the NPPES registry for John Trentin is (614) 245-6528.
- Does John Trentin accept Medicare?
- John Trentin is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Trentin's NPI active?
- Yes — John Trentin's NPI (1518671684) is active in the NPPES registry as of the last update on 2023-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.