Timothy Ahn, NP
NPI 1154992121 · Pediatric Nurse Practitioner · Bellevue, WA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Timothy Ahn, NP is a Pediatric Nurse Practitioner provider in Bellevue, WA (NPI 1154992121).
Provider details
- NPI number
- 1154992121
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- Yes
- License
- AP61193179 (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
4 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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2021-07-09
- Last updated
- 2023-01-24
- Certified
- 2023-01-18
Frequently asked questions
- What is Timothy Ahn's NPI number?
- Timothy Ahn's National Provider Identifier (NPI) is 1154992121, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Timothy Ahn's specialty?
- Timothy Ahn is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Timothy Ahn located?
- Timothy Ahn's practice location on file with NPPES is 15620 Ne 21st St, Bellevue, WA 98008.
- What is Timothy Ahn's phone number?
- The practice phone number listed in the NPPES registry for Timothy Ahn is (206) 210-8480.
- Does Timothy Ahn accept Medicare?
- Timothy Ahn is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Timothy Ahn's NPI active?
- Yes — Timothy Ahn's NPI (1154992121) is active in the NPPES registry as of the last update on 2023-01-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.