Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Tenni O John-Idiagbonya, FNP, PMHNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1053850008

Tenni O John-Idiagbonya, FNP, PMHNP is a Nurse Practitioner in Catonsville, Maryland. Qualified in 2020, 6 years ago. Practices with Mellow Medical Inc a Professional Corporation, a 30-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in California and Maryland.

Years since qualifying
6
Licensed in
CA, MD
In the registry since
2017
Specialties on file
2
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

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Practice location Address checks out

55 Wade Ave
Catonsville, MD 21228-4663
Phone: (410) 402-7718
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 12301 Wilshire Blvd Ste 512, Los Angeles, CA 90025-1053 — (888) 684-2779

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence R187565 (MD)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence 95020016 (CA)

Record details

NPI number1053850008
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP , PMHNP
Sole proprietorNo
NPI enumeratedFebruary 22, 2017
Last updated in NPPESJuly 29, 2026
Certification dateJuly 29, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Group practice Mellow Medical Inc A Professional Corporation — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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