Quick answers
- Where does Stephen A. Tilles see patients?
- Medicare's clinician data lists 11 practice locations, including Seattle, WA and Shoreline, WA. Call before your visit to confirm the address.
- What is Stephen A. Tilles's specialty?
- Medicare lists Allergy/Immunology as the primary specialty.
- Does Stephen A. Tilles accept Medicare assignment?
- Yes. Medicare's clinician data says Stephen A. Tilles accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- Does Stephen A. Tilles offer telehealth?
- Medicare's clinician data says Stephen A. Tilles offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Stephen A. Tilles?
- (206) 368-6360, as listed in official Medicare / NPI Registry data.
- What is Stephen A. Tilles's NPI number?
- 1417984956. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Stephen A. Tilles is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 11; the Medicare profile lists all.
- 10330 Meridian Ave N, Suite 190Seattle, WA 98133 (206) 368‑6360
- 12505 Greenwood Ave N, Ida Culver House Broadview Health Care CentSeattle, WA 98133 (206) 368‑3797
- 1355 N 205th StShoreline, WA 98133 (206) 542‑5656
- 1550 N 115th StSeattle, WA 98133 (206) 364‑0500
- 1560 N 115th St, Suite G5Seattle, WA 98133 (206) 368‑1626
Group practices
Medicare enrollment lists Stephen A. Tilles as a member of this group (CMS data updated 2026-10-02).
- The Association of University Physicians3,535 clinicians in the group
Specialties
- Allergy/Immunologyprimary
Other allergist and immunologists in Seattle
Clinicians with the same Medicare primary specialty in Seattle, WA — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, San Diego School Of Medicine |
| Graduation year | 1990 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1417984956 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians