Dr. Karl L. Singer , MD
Specialist • Auburn, WA
Notice of NPI Deactivation & Inactive Practice Status
According to official public domain records published by CMS (Centers for Medicare & Medicaid Services) in the National Provider Identifier (NPPES) Registry, Dr. Karl Singer has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Karl Singer, MD was a registered Specialist practicing in Auburn, WA. Throughout an active medical career spanning 20 years, Dr. Singer provided care at the practice location at 122 3RD ST NE until profile deactivation on 2026-02-12.
Practice Location & Contact Primary Location
122 3rd St Ne
Auburn, WA 980024013
Specialty Benchmarks & Practice Insights
Comparative analytics for Specialist in Auburn, WA
Practicing in Auburn, WA (2751 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 174400000X
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Physical Therapist - Orthopedic
Master of Physical Therapy
Orthopaedic Surgery - Orthopaedic Surgery of the Spine
Doctor of Medicine (M.D.)
Physical Therapist - Orthopedic
Master of Physical Therapy
Physical Therapist
Doctor of Physical Therapy
Physical Therapist
Specialist
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on February 12, 2026
NPI status registered as active in NPPES database
Registered at 122 3RD ST NE, AUBURN, WA 980024013 (Tel: 2538337750)
Registered at 122 3RD ST NE, AUBURN, WA 980024013 (Tel: 2538337750)
Recorded as KARL SINGER, MD
Specialist (License #MD00010409 in WA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
122 3rd St Ne
Auburn, WA 980024013
Phone: 2538337750
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