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

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: November 08, 2026.

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

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
Open in Google Maps ↗

Accepted Insurance

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

Medicare Participation & PECOS CMS

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

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.

Medicare Billing Reassignment

Medicare enrollment records show Timothy Mahoney reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kbs Medical PA
2,749 mi
Psychiatry
3350 SW 148TH AVE STE 110
Miramar, FL 33027
  • Reassigned Medicare billing, Washington enrollment
  • 3 clinicians in this Medicare group
NPI 1295461036 (847) 420-5269

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 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.

Which organization bills Medicare for Timothy Mahoney's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Timothy Mahoney reassigns Medicare benefits to Kbs Medical PA (Miramar, FL). 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 Timothy Mahoney's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Timothy Mahoney accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and UnitedHealthcare 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 18 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.