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DR. THOMAS FREDERICK SEMPER M.D.
NPI 1437125044
Psychiatry & Neurology - Child & Adolescent Psychiatry in Seattle, WA

Active since February 23, 2006Opted out of Medicare · through Jan 26, 2027
509 OLIVE WAY STE 204, SEATTLE, WA 98101(206) 329-5255(206) 726-1878 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, May 18, 2017 (2 updates tracked since 2017).

About Dr. Thomas Frederick Semper M.d. NPPES

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

DR. THOMAS FREDERICK SEMPER M.D. (NPI 1437125044) is an individual child & adolescent psychiatry provider in Seattle, Washington, licensed in Washington (38072) and active in the NPI registry since February 2006. He has opted out of Medicare through January 26, 2027 and remains eligible to order and refer.

NPPES Registry Identity

NPI1437125044
Entity TypeIndividualMale
Primary Taxonomy2084P0804X
Provider Legal NameDR. THOMAS FREDERICK SEMPERCredential: M.D.
Location Address509 OLIVE WAY STE 204Seattle, WA 98101-1726
Mailing Address509 Olive Way Ste 204Seattle, WA 98101-1726 · (206) 329-5255 · Fax (206) 726-1878
Phone(206) 329-5255
Fax(206) 726-1878
Sole ProprietorYes
Enumeration DateFebruary 23, 2006
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1437125044 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · Child & Adolescent PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0804X
License✔ Licensed in WA · 38072
Definition
Child & Adolescent Psychiatry is a subspecialty of psychiatry with additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.
509 OLIVE WAY STE 204, Seattle, WA 98101
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Dr. Thomas Frederick Semper M.d. has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 26, 2015 through January 26, 2027.

Opt-Out Effective DateJanuary 26, 2015
Opt-Out In Effect ThroughJanuary 26, 2027Opt-out affidavits renew automatically every two years unless cancelled
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesAn opted-out provider can still order and refer for Medicare patients in the categories marked above, even though their own services are not covered.

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.

VANESSA G DZIVAKWE PHD
Psychologist
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (206) 329-5255
VANESSA DZIVAKWE, PHD, PLLC
Community/Behavioral Health
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (206) 329-5255
DR. KYLE ALEXANDER SCHOFIELD PHD
Psychologist
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (253) 234-5066
RISE THERAPY, PLLC
Psychologist
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (206) 329-5255
ISABELLA COMPHEL
Social Worker (Clinical)
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (206) 329-5255
DR. AARON PARKER PSYD
Psychologist (Rehabilitation)
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (206) 551-9711
AARON PARKER, PSYCHOLOGY, PLLC
Community/Behavioral Health
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (206) 329-5255
JOANNE EPPING-JORDAN PHD PLLC
Psychologist
509 OLIVE WAY STE 204
SEATTLE, WA 98101
King County (206) 588-2700

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 Semper's NPI number?

The NPI number for Thomas Semper is 1437125044. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Where is Thomas Semper located?

Thomas Semper practices at 509 Olive Way Ste 204, Seattle, WA 98101. The listed phone number is (206) 329-5255.

What is Thomas Semper's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Child & Adolescent Psychiatry, with taxonomy code 2084P0804X.

Is Thomas Semper enrolled in Medicare?

No. Thomas Semper has opted out of Medicare through January 26, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out. The provider remains eligible to order and refer services for Medicare patients.

When was this NPI record last updated?

The NPPES record for Thomas Semper was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.