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THOMAS C DEAN MD
NPI 1275676298
Anesthesiology in Seattle, WA

Active since February 15, 2007PECOS Enrolled
201 16TH AVE E, SEATTLE, WA 98112(206) 326-3000 Get Directions Write a Review

NPPES record last updated: March 30, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Thomas C Dean Md NPPES

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

THOMAS C DEAN MD (NPI 1275676298) is an individual anesthesiology provider in Seattle, Washington, licensed in Washington (MD00047312) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and maintains a secondary practice location in Seattle.

NPPES Registry Identity

NPI1275676298
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameTHOMAS C DEANCredential: MD
Location Address201 16TH AVE ESeattle, WA 98112-5226
Mailing Address1100 9th Ave, Mailstop B2-anSeattle, WA 98101-2756 · (206) 419-8448
Phone(206) 326-3000
Sole ProprietorNo
Enumeration DateFebruary 15, 2007
Last NPPES UpdateMarch 30, 2021
NPPES CertifiedMarch 30, 2021
✔ NPI 1275676298 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in WA · MD00047312
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.
201 16TH AVE E, Seattle, WA 98112
Open in Google Maps ↗

Secondary Practice Location 1

Location 11100 9th AveSeattle, WA 98101-2756 · Phone (206) 583-6079

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Thomas C Dean Md 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.

Medicare Billing Reassignment

Medicare enrollment records show Thomas Dean reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Kaiser Foundation Health Plan Of Washington
1.2 mi
Multi-Specialty
320 WESTLAKE AVE. N., SUITE 100
Seattle, WA 98109
  • Reassigned Medicare billing, Washington enrollment
  • 2,678 clinicians in this Medicare group
NPI 1396810701 (206) 448-6561

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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.

DR. MICHAEL DONG CHO M.D.
Internal Medicine (Rheumatology)
201 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3000
MRS. MELAINE MENDOZA ROMAN OTRP, OTR/L
Occupational Therapist
201 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-4545
NHI LUAN TAN
Student in an Organized Health Care Education/Training Program
201 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-3000
GROUP HEALTH COOPERATIVE
Clinic/Center (Ambulatory Surgical)
201 16TH AVE E, SUITE CMB-2
SEATTLE, WA 98112
King County (206) 326-2107
JOYCE KRISTINE AQUINO
Registered Nurse (Home Health)
201 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-4545
KIMBERLY DAWN GRASSMAN
Home Health Aide
201 16TH AVE E
SEATTLE, WA 98112
King County (206) 635-1668
GARRETT KOBAYASHI PHARMD
Pharmacist
201 16TH AVE E
SEATTLE, WA 98112
King County (206) 326-2880
TAYLAR GALLUP OTR/L
Occupational Therapist
201 16TH AVE E
SEATTLE, WA 98112
King County (877) 751-2446

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Thomas Dean's NPI number?

The NPI number for Thomas Dean is 1275676298. It was assigned to this individual provider in the NPPES registry on February 15, 2007.

Where is Thomas Dean located?

Thomas Dean practices at 201 16th Ave E, Seattle, WA 98112. The listed phone number is (206) 326-3000.

What is Thomas Dean's specialty?

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

Is Thomas Dean enrolled in Medicare?

Yes. Thomas Dean is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Thomas Dean's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Dean reassigns Medicare benefits to Kaiser Foundation Health Plan Of Washington (Seattle, WA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Thomas Dean's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Thomas Dean was last updated on March 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.