Timothy Hamn, ARNP, FNP-BC, CWS
NPI 1821715285 · Family Nurse Practitioner · Portland, OR
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Hamn, ARNP, FNP-BC, CWS is a Family Nurse Practitioner provider in Portland, OR (NPI 1821715285).
Provider details
- NPI number
- 1821715285
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- ARNP, FNP-BC, CWS
- Sex
- Male
- Sole proprietor
- Yes
- License
- 10004408 (OR)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
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
3 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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.
Practice location
Mailing address
Additional practice locations (1)
- 190 Meadow Park CtWoodland, WA 98674-9490Phone: (509) 655-9562
Registry dates
- Enumerated
- 2022-10-25
- Last updated
- 2025-11-27
- Certified
- 2025-11-27
Frequently asked questions
- What is Timothy Hamn's NPI number?
- Timothy Hamn's National Provider Identifier (NPI) is 1821715285, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Hamn's specialty?
- Timothy Hamn is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy Hamn located?
- Timothy Hamn's practice location on file with NPPES is 3846 Ne Maywood Pl, Portland, OR 97220-3645.
- What is Timothy Hamn's phone number?
- The practice phone number listed in the NPPES registry for Timothy Hamn is (509) 655-9562.
- Does Timothy Hamn accept Medicare?
- Timothy Hamn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Hamn's NPI active?
- Yes — Timothy Hamn's NPI (1821715285) is active in the NPPES registry as of the last update on 2025-11-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.