John Iwuanyanwu
NPI 1689364911 · Psychiatric/Mental Health Nurse Practitioner · Norwalk, CA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Iwuanyanwu is a Psychiatric/Mental Health Nurse Practitioner provider in Norwalk, CA (NPI 1689364911).
Provider details
- NPI number
- 1689364911
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- 95025108 (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
- 2023-05-10
- Last updated
- 2023-05-10
- Certified
- 2023-05-10
Frequently asked questions
- What is John Iwuanyanwu's NPI number?
- John Iwuanyanwu's National Provider Identifier (NPI) is 1689364911, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Iwuanyanwu's specialty?
- John Iwuanyanwu is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Iwuanyanwu located?
- John Iwuanyanwu's practice location on file with NPPES is 11401 Bloomfield Ave, Norwalk, CA 90650-2015.
- What is John Iwuanyanwu's phone number?
- The practice phone number listed in the NPPES registry for John Iwuanyanwu is (562) 688-0550.
- Does John Iwuanyanwu accept Medicare?
- John Iwuanyanwu is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Iwuanyanwu's NPI active?
- Yes — John Iwuanyanwu's NPI (1689364911) is active in the NPPES registry as of the last update on 2023-05-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.