Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. HOUMAN TAMADDON M.D.
NPI 1235110198
Anesthesiology in Burien, WA

Q: What is Houman Tamaddon's NPI number?

The NPI number for Houman Tamaddon is 1235110198. It was assigned to this individual provider in the NPPES registry on November 8, 2005.

Q: What is Houman Tamaddon's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Q: When was this NPI record last updated?

The NPPES record for Houman Tamaddon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 41 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since November 08, 2005PECOS Enrolled

16251 SYLVESTER RD SW, BURIEN, WA 98166(206) 244-1212(206) 244-1223 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Dr. Houman Tamaddon M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. HOUMAN TAMADDON M.D. (NPI 1235110198) is an individual anesthesiology provider in Burien, Washington, licensed in Washington (MD00038419) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1235110198

Entity TypeIndividualMale

Primary Taxonomy207L00000X

Provider Legal NameDR. HOUMAN TAMADDONCredential: M.D.

Location Address16251 SYLVESTER RD SWBurien, WA 98166-3017

Mailing AddressPo Box 48159Burien, WA 98148-0159 · (206) 244-1212 · Fax (206) 244-1223

Phone(206) 244-1212

Fax(206) 244-1223

Sole ProprietorNo

Enumeration DateNovember 8, 2005

Last NPPES UpdateJuly 13, 2026

✔ NPI 1235110198 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians

Taxonomy Code207L00000X

License✔ Licensed in WA · MD00038419

Definition

An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.

16251 SYLVESTER RD SW, Burien, WA 98166

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Other Identifiers 4

Medicaid8357782WA

Other0174188WA · Dept Of Labor & Industrie

Other0315TAWA · Regence Blue Shield

Other8931514WA · Crime Victims Pgm

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Houman Tamaddon M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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