John Trentin
Family Nurse Practitioner · Costa Mesa, CA
John Trentin is a family nurse practitioner with a practice address in Costa Mesa, California, and NPI 1518671684, issued on Jan 12, 2023. Check the license (California 95023795, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- John Trentin
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- 95023795 CA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Kalmus Dr, Costa Mesa, CA 92626
- Phone
- (614) 245-6528
- Enumerated
- Jan 12, 2023
- Record last updated
- Jan 12, 2023
- Medicare enrollment
- Enrolled (PECOS I20260203004327); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 16,966 in California → Look up another NPI →
Also registered at 200 Kalmus Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jean Champion, MA, CCC-SLPSpeech-Language Pathologist1205764883
- Amber HarperSpeech-Language Pathologist1962331264
- Shelby Hergesell, M.S., OTR/LOccupational Therapist1700714375
- Karen MondaySpeech-Language Pathologist1548199896
Verify John Trentin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 95023795Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Mulberry Medical LLCTempe, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Trentin among 16,966 family nurse practitioner records in California
John Trentin is one of 16,966 family nurse practitioner records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 75% of them.
- NPI issued2023 · 75% of these records are older, 17% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 40% of these records are
- Graduated2024 · median 2019 among the 6,793 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
71 family nurse practitioner records list a practice address in Costa Mesa
They are 71 of the 4,286 NPPES records with a practice address in Costa Mesa, and 16,966 family nurse practitioner records in California.
All 16,966 in California → Every provider in Costa Mesa → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Andrea Beyaoju, NURSE PRACTITIONERCosta Mesa, CA 926261720520182
- Susan FlamingCosta Mesa, CA 926261780093237
- Arnold FrancoCosta Mesa, CA 926261518417633
- Suzanne Larkin, FNP-CCosta Mesa, CA 926261053358044
- Kendra Latty, FNP-CCosta Mesa, CA 926261659763589
- Shelly Lummus, FNPCosta Mesa, CA 926261649474545
- Jamila Ponder, F.N.P.-CCosta Mesa, CA 926261124215165
- Charlotte Russell, RNPCosta Mesa, CA 926261780636555
Common questions
What is John Trentin's NPI number?
John Trentin's National Provider Identifier (NPI) is 1518671684, issued on Jan 12, 2023. An NPI identifies a provider in billing; it is not a license.
Where is John Trentin located?
The NPPES record lists a practice address at 200 Kalmus Dr, Costa Mesa, CA, 92626. Phone: (614) 245-6528. Providers update this record themselves, so call before visiting.
How can I verify John Trentin's license?
NPPES lists California license number 95023795, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.