MR. TIMOTHY DENNIS MAHONEY PMHNP
NPI 1871048652
Nurse Practitioner - Psychiatric/Mental Health in Bellingham, WA

Q: What is Timothy Mahoney's NPI number?

The NPI number for Timothy Mahoney is 1871048652. It was assigned to this individual provider in the NPPES registry on August 22, 2016.

Q: What is Timothy Mahoney's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Timothy Mahoney was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.

Active since August 22, 2016PECOS Enrolled

PO BOX 28032, BELLINGHAM, WA 98228(509) 761-9881 Get Directions Write a Review

NPPES record last updated: April 18, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Apr 3, 2025, Jul 31, 2024, May 16, 2024 and 3 more (6 updates tracked since 2016).

On this page

About Mr. Timothy Dennis Mahoney Pmhnp NPPES

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

MR. TIMOTHY DENNIS MAHONEY PMHNP (NPI 1871048652) is an individual psychiatric/mental health provider in Bellingham, Washington, licensed in Washington (AP61366257) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS and is a graduate of Other (2022).

NPPES Registry Identity

NPI1871048652

Entity TypeIndividualMale

Primary Taxonomy363LP0808X

Provider Legal NameMR. TIMOTHY DENNIS MAHONEYCredential: PMHNP

Location AddressPO BOX 28032Bellingham, WA 98228-0032

Mailing AddressPo Box 28032Bellingham, WA 98228-0032 · (509) 761-9881

Phone(509) 761-9881

Sole ProprietorYes

Medical School CMSOtherGraduated 2022

Enumeration DateAugust 22, 2016

Last NPPES UpdateApril 18, 20256 updates tracked since enumeration

NPPES CertifiedApril 18, 2025

✔ NPI 1871048652 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 WA · AP61366257

PO BOX 28032, Bellingham, WA 98228

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mr. Timothy Dennis Mahoney Pmhnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3476906033

PECOS Enrollment IDI20260313000193

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 98228 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

$88.29 typical visit price

range $57.27 – $172.80

Typical copayment $22.07 (range $14.31 – $43.20)

Most-billed visit code 99203

Established Patient

$100.78 typical visit price

range $18.56 – $141.11

Typical copayment $25.19 (range $4.64 – $35.27)

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.

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 Timothy Mahoney's NPI number?

The NPI number for Timothy Mahoney is 1871048652. It was assigned to this individual provider in the NPPES registry on August 22, 2016.

Where is Timothy Mahoney located?

Timothy Mahoney practices at PO Box 28032, Bellingham, WA 98228. The listed phone number is (509) 761-9881.

What is Timothy Mahoney's specialty?

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

Is Timothy Mahoney enrolled in Medicare?

Yes. Timothy Mahoney is registered in the Medicare PECOS enrollment system.

What insurance does Timothy Mahoney accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and Premera Blue Cross Blue Shield of Alaska list Timothy Mahoney 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 Timothy Mahoney was last updated on April 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.