HAPPINESS ONWUADIAMU NP
NPI 1679410039
Nurse Practitioner - Psychiatric/Mental Health in Sugar Land, TX

Q: What is Happiness Onwuadiamu's NPI number?

The NPI number for Happiness Onwuadiamu is 1679410039. It was assigned to this individual provider in the NPPES registry on May 2, 2026.

Q: What is Happiness Onwuadiamu's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Active since May 02, 2026PECOS EnrolledAccepts Medicare Assignment

7616 BRANFORD PL STE 220, SUGAR LAND, TX 77479(346) 690-8107 Get Directions Write a Review

NPPES record last updated: May 2, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Happiness Onwuadiamu Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HAPPINESS ONWUADIAMU NP (NPI 1679410039) is an individual psychiatric/mental health provider in Sugar Land, Texas, licensed in Texas (1041156) and active in the NPI registry since May 2026. She is enrolled in Medicare PECOS and is a graduate of Other (2025).

NPPES Registry Identity

NPI1679410039

Entity TypeIndividualFemale

Primary Taxonomy363LP0808X

Provider Legal NameHAPPINESS ONWUADIAMUCredential: NP

Location Address7616 BRANFORD PL STE 220Sugar Land, TX 77479-3794

Mailing Address7616 Branford Pl Ste 220Sugar Land, TX 77479-3794 · (346) 690-8107

Phone(346) 690-8107

Sole ProprietorYes

Medical School CMSOtherGraduated 2025

Enumeration DateMay 2, 2026

NPPES CertifiedMay 1, 2026

✔ NPI 1679410039 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LP0808X

License✔ Licensed in TX · 1041156

7616 BRANFORD PL STE 220, Sugar Land, TX 77479

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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Community First, UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Happiness Onwuadiamu Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID8325518731

PECOS Enrollment IDI20260527002622

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Happiness Onwuadiamu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Psychiatry Of Texas PLLC

27 mi

Psychiatry

7877 WILLOW CHASE BLVD
Houston, TX 77070

Reassigned Medicare billing, Texas enrollment
480 clinicians in this Medicare group

NPI 1013476027 (832) 869-4818

Psychplus Medical Associates, PLLC

27 mi

Family Medicine

7877 WILLOW CHASE BLVD
Houston, TX 77070

Reassigned Medicare billing, Texas enrollment
435 clinicians in this Medicare group

NPI 1558118026 (832) 869-4818

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 77479 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.92 typical visit price

range $54.84 – $166.88

Typical copayment $21.23 (range $13.71 – $41.72)

Most-billed visit code 99203

Established Patient

$97.05 typical visit price

range $17.52 – $136.11

Typical copayment $24.26 (range $4.38 – $34.02)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LIGHTS HEALTH SERVICES LLC

Clinic/Center (Mental Health (Including Community Mental Health Center))