Stephen Tilles, M.D.
Allergy & Immunology Physician · Seattle, WA
Stephen Tilles, M.D. is an allergy & immunology physician with a practice address in Seattle, Washington, and NPI 1417984956, issued on Jun 28, 2006. Check the license (Washington MD00038961, as entered in NPPES) on the Washington Medical Commission; the Medicare figures below come from public CMS files.
- Name
- Stephen Tilles
- Credential
- M.D.
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License number
- MD00038961 WA
Self-reported in NPPES; status is on the state search - Practice location
- 9725 3RD Ave NE Ste 500, Seattle, WA 98115
- Phone
- (206) 527-1200
- Enumerated
- Jun 28, 2006
- Record last updated
- Dec 7, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (206) 527-2514
- Medicaid ID
- 8174450 WA
- Medicare enrollment
- Enrolled (PECOS I20040213000056); accepts Medicare assignment
- Medical or professional school
- University Of California, San Diego School Of Medicine, 1990
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 90 in Washington → Look up another NPI →
Also registered at 9725 3RD Ave NE Ste 500
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Leonard Altman, M.D.Allergy & Immunology Physician1407892466
- Pandora Christie, MDAllergy Physician1851385132
- Daniel GrothAllergy & Immunology Physician1821476979
- Michele Hinatsu, ARNPMedical Physician Assistant1265562573
- Ashley Jerath Tatum, M.D.Allergy & Immunology Physician1174559686
- Bani Preet Kaur, M.D.Allergy & Immunology Physician1346544392
Verify Stephen Tilles in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWashington Medical Commission
Search for license MD00038961Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $83.44
2 payments; by number, the most common kind was food and beverage; the largest payer was BioCryst US Sales Co., LLC. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- The Association OF University PhysiciansSeattle, WA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen Tilles among 90 allergy & immunology physician records in Washington
Stephen Tilles, M.D. is one of 90 allergy & immunology physician records with a practice address in Washington. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 14% of them.
- NPI issued2006 · 14% of these records are older, 40% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileYes · 51% of these records are
- Graduated1990 · median 2002 among the 46 with a school on file
- Record last updated2016 · 66% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Washington practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Washington
There are 90 allergy & immunology physician records in Washington.
All 90 in Washington → Every provider in Seattle → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Leonard Altman, M.D.Seattle, WA 981151407892466
- Daniel GrothSeattle, WA 981151821476979
- Ashley Jerath Tatum, M.D.Seattle, WA 981151174559686
- Bani Preet Kaur, M.D.Seattle, WA 981151346544392
- Mary Lasley, M.D.Seattle, WA 981151396787925
- Audrey Park, MD,PH.DSeattle, WA 981151902016314
- Daniel Petroni, M.D., PH.D.Seattle, WA 981151073808028
- Sara Seghezzo, M.D.Seattle, WA 981151962822874
Common questions
What is Stephen Tilles, M.D.'s NPI number?
Stephen Tilles, M.D.'s National Provider Identifier (NPI) is 1417984956, issued on Jun 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen Tilles, M.D. located?
The NPPES record lists a practice address at 9725 3RD Ave NE Ste 500, Seattle, WA, 98115. Phone: (206) 527-1200. Providers update this record themselves, so call before visiting.
How can I verify Stephen Tilles, M.D.'s license?
NPPES lists Washington license number MD00038961, as entered by the provider. Search the Washington Medical Commission at https://wahelms.my.site.com/s/license-search. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.