Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Chizomam Margaret Abanobi, NP

Individual provider Registered Nurse · NPI 1447566781

Chizomam Margaret Abanobi, NP is a Nurse Practitioner in Fullerton, California. Qualified in 2009, 17 years ago. Practices with Omar Osman Practice, LLC, a 43-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
17
Licensed in
CA
In the registry since
2010
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

2141 N Harbor Blvd Ste 25000
Fullerton, CA 92835-3830
Phone: (714) 349-5674
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 19394 (CA)
Registered Nurse Taxonomy 163W00000X · Licence 633683 (CA)

Record details

NPI number1447566781
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedAugust 24, 2010
Last updated in NPPESNovember 10, 2021

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2009 (17 years in practice)
Group practice Omar Osman Practice, Llc — 43 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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