MALLORY ENOLA O'BRIEN
NPI 1487261186
Counselor - Mental Health in Bellingham, WA

Q: What is Mallory O'brien's NPI number?

The NPI number for Mallory O'brien is 1487261186. It was assigned to this individual provider in the NPPES registry on September 26, 2020.

Q: What is Mallory O'brien's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Mallory O'brien was last updated on October 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.

Active since September 26, 2020PECOS Enrolled

1500 ROMA RD, BELLINGHAM, WA 98226(206) 669-4604 Get Directions Write a Review

NPPES record last updated: October 24, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Jan 21, 2022, Jan 14, 2022, Sep 26, 2020 (3 updates tracked since 2020).

On this page

About Mallory Enola O'brien NPPES

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

MALLORY ENOLA O'BRIEN (NPI 1487261186) is an individual mental health provider in Bellingham, Washington, licensed in Washington (LH61589928) and active in the NPI registry since September 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1487261186

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMALLORY ENOLA O'BRIEN

Location Address1500 ROMA RDBellingham, WA 98226-7801

Mailing Address4908 Sw Morgan StSeattle, WA 98136-1356

Phone(206) 669-4604

Sole ProprietorNo

Enumeration DateSeptember 26, 2020

Last NPPES UpdateOctober 24, 20243 updates tracked since enumeration

NPPES CertifiedOctober 24, 2024

✔ NPI 1487261186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in WA · LH61589928

1500 ROMA RD, Bellingham, WA 98226

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mallory Enola O'brien is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignment

Medicare enrollment records show Mallory O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mindful Therapy Group PC

68 mi

Clinical

6505 216TH ST SW STE 100
Mountlake Terrace, WA 98043

Reassigned Medicare billing, Washington enrollment
777 clinicians in this Medicare group

NPI 1316238678 (425) 640-7009

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

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 Mallory O'brien's NPI number?

The NPI number for Mallory O'brien is 1487261186. It was assigned to this individual provider in the NPPES registry on September 26, 2020.

Where is Mallory O'brien located?

Mallory O'brien practices at 1500 Roma Rd, Bellingham, WA 98226. The listed phone number is (206) 669-4604.

What is Mallory O'brien's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Mallory O'brien enrolled in Medicare?

Yes. Mallory O'brien is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mallory O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mallory O'brien reassigns Medicare benefits to Mindful Therapy Group PC (Mountlake Terrace, WA). The 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 Mallory O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Mallory O'brien accept?

Health plans from Blue Cross and Blue Shield of Texas and Premera Blue Cross Blue Shield of Alaska list Mallory O'brien 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 Mallory O'brien was last updated on October 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.