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GABRIEL NWANNEBUIKE OBU PMHNP-BC
NPI 1831749720
Nurse Practitioner - Psychiatric/Mental Health in Hillsboro, OR

Active since September 13, 2019PECOS EnrolledAccepts Medicare Assignment
535 SE WASHINGTON ST, HILLSBORO, OR 97123(503) 755-6703(503) 755-6704 Get Directions Write a Review

NPPES record last updated: April 9, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 9, 2026, Apr 30, 2024, Oct 27, 2023 and 5 more (8 updates tracked since 2019).

About Gabriel Nwannebuike Obu Pmhnp-bc NPPES

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

GABRIEL NWANNEBUIKE OBU PMHNP-BC (NPI 1831749720) is an individual psychiatric/mental health provider in Hillsboro, Oregon, licensed in Oregon (10019946) and active in the NPI registry since September 2019. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1831749720
Entity TypeIndividualMale
Primary Taxonomy363LP0808X
Provider Legal NameGABRIEL NWANNEBUIKE OBUCredential: PMHNP-BC
Location Address535 SE WASHINGTON STHillsboro, OR 97123-4142
Mailing Address100 N Howard StSpokane, WA 99201-0508 · (832) 945-1414
Phone(503) 755-6703
Fax(503) 755-6704
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateSeptember 13, 2019
Last NPPES UpdateApril 9, 20268 updates tracked since enumeration
NPPES CertifiedApril 9, 2026
✔ NPI 1831749720 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
Licenses✔ Licensed in OR · 10019946✔ Licensed in NM · 70473✔ Licensed in TX · 1089146✔ Licensed in MD · AC005902✔ Licensed in AZ · 296197✔ Licensed in WA · AP61378181
535 SE WASHINGTON ST, Hillsboro, OR 97123
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1395 SW Bluff Dr Ste 10Bend, OR 97702-1670 · Phone (503) 755-6703 · Fax (503) 755-6704
Location 21301 York Rd Ste 800Lutherville, MD 21093-6011 · Phone (832) 945-1414

Other Identifiers 5

OtherAP61378181WA · Psychiatric Nurse Practitioner
Other70473NM · Psychiatric Nurse Practitioner
Other296197AZ · Psychiatric Nurse Practitioner
Other1089146TX · Psychiatric Nurse Practitioner
OtherAC005902MD · Psychiatric Nurse Practitioner

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Blue Cross Blue Shield of Arizona, BridgeSpan Health Company and more.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

Gabriel Nwannebuike Obu Pmhnp-bc 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 ID6507227774
PECOS Enrollment IDI20230803003512, I20241108002709
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

3

Medicare enrollment records show Gabriel Obu reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Mcarthur Gruff & Associates LLC
Same address
Psychiatric/Mental Health
535 SE WASHINGTON ST
Hillsboro, OR 97123
  • Reassigned Medicare billing, Oregon enrollment
  • 33 clinicians in this Medicare group
NPI 1952860066 (503) 755-6703
Mindful Therapy Group PC
161 mi
Clinical
6505 216TH ST SW STE 100
Mountlake Terrace, WA 98043
  • Reassigned Medicare billing, Oregon and Washington enrollments
  • 234 clinicians in this Medicare group
NPI 1316238678 (425) 640-7009
Holistic Healing Psychiatry, PLLC
1,845 mi
Psychiatric/Mental Health
2401 FOUNTAINVIEW DRIVE SUITE 464
Richmond, TX 77057
  • Reassigned Medicare billing, New Mexico and Texas enrollments
NPI 1598652372 (425) 800-6454

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 97123 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
$90.51 typical visit price
range $58.99 – $176.88
Typical copayment $22.62 (range $14.74 – $44.22)
Most-billed visit code 99203
Established Patient
$103.51 typical visit price
range $19.32 – $144.79
Typical copayment $25.87 (range $4.83 – $36.19)
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.

MRS. CHRISTINE MARIE DOUGLAS PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 755-6703
DR. TONYA A BOYD PSYD
Psychologist (Clinical)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 840-2053
MS. SARA ALAYNE PITKANEN M.ED. MFT QMHP
Marriage & Family Therapist
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 998-9546
PATRICIA A. BAILEY LCSW
Social Worker (Clinical)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 648-5892
MICHELLE SANDRI
Counselor (Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 402-1982
TONYA BOYD, PSYD
Psychologist (Clinical)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 840-2053
ROBERT B.S. LABRASCA APRN
Nurse Practitioner (Psychiatric/Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 755-6703
CARMEN KOSICEK PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
535 SE WASHINGTON ST
HILLSBORO, OR 97123
Washington County (503) 755-6703

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gabriel Obu's NPI number?

The NPI number for Gabriel Obu is 1831749720. It was assigned to this individual provider in the NPPES registry on September 13, 2019.

Where is Gabriel Obu located?

Gabriel Obu practices at 535 SE Washington St, Hillsboro, OR 97123. The listed phone number is (503) 755-6703.

What is Gabriel Obu's specialty?

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

Is Gabriel Obu enrolled in Medicare?

Yes. Gabriel Obu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Gabriel Obu's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gabriel Obu reassigns Medicare benefits to 3 organizations: Mcarthur Gruff & Associates LLC (Hillsboro, OR), Mindful Therapy Group PC (Mountlake Terrace, WA) and Holistic Healing Psychiatry, PLLC (Richmond, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gabriel Obu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gabriel Obu accept?

Health plans from Blue Cross Blue Shield of Arizona, Blue Cross and Blue Shield of Texas, BridgeSpan Health Company, Cigna Healthcare and Moda Health Plan, Inc. and 6 other insurers list Gabriel Obu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gabriel Obu was last updated on April 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.