Timothy Mahoney, PMHNP
NPI 1871048652 · Psychiatric/Mental Health Nurse Practitioner · Bellingham, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Mahoney, PMHNP is a Psychiatric/Mental Health Nurse Practitioner provider in Bellingham, WA (NPI 1871048652).
Provider details
- NPI number
- 1871048652
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PMHNP
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP61366257 (WA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 32 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Clozapine | 149 | 15 |
| Quetiapine Fumarate | 102 | — |
| Risperidone | 87 | 11 |
| Benztropine Mesylate | 60 | 11 |
| Lamotrigine | 52 | — |
| Fluoxetine Hcl | 44 | — |
| Paliperidone Palmitatebrand: Invega Sustenna | 44 | — |
| Aripiprazole |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-08-22
- Last updated
- 2025-04-18
- Certified
- 2025-04-18
Frequently asked questions
- What is Timothy Mahoney's NPI number?
- Timothy Mahoney's National Provider Identifier (NPI) is 1871048652, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Mahoney's specialty?
- Timothy Mahoney is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy Mahoney located?
- Timothy Mahoney's practice location on file with NPPES is Po Box 28032, Bellingham, WA 98228-0032.
- What is Timothy Mahoney's phone number?
- The practice phone number listed in the NPPES registry for Timothy Mahoney is (509) 761-9881.
- Does Timothy Mahoney accept Medicare?
- Timothy Mahoney is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Mahoney's NPI active?
- Yes — Timothy Mahoney's NPI (1871048652) is active in the NPPES registry as of the last update on 2025-04-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.