Dr. Darrell W Harrington , MD
General Practice • Torrance, CA
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. Darrell Harrington has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Darrell Harrington, MD was a registered General Practice practicing in Torrance, CA. Throughout an active medical career spanning 19 years, Dr. Harrington provided care at the practice location at 21840 NORMANDIE AVE until profile deactivation on 2025-09-11.
Practice Location & Contact Primary Location
21840 Normandie Ave
Ste. 700
Torrance, CA 905022047
Specialty Benchmarks & Practice Insights
Comparative analytics for General Practice in Torrance, CA
Practicing in Torrance, CA (2300 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 208D00000X
A physician who specializes in the general practice of diagnosing, treating, and managing patients with a variety of illnesses and conditions.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
General Practice
Doctor of Medicine (M.D.)
Internal Medicine - Pulmonary Disease
Doctor of Medicine (M.D.)
General Practice
Doctor of Medicine (M.D.)
Internal Medicine - Nephrology
Doctor of Medicine (M.D.)
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Internal Medicine - Endocrinology, Diabetes & Metabolism
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on September 11, 2025
NPI status registered as active in NPPES database
Registered at 21840 NORMANDIE AVE, STE. 700, TORRANCE, CA 905022047 (Tel: 3102225101)
Registered at 21840 NORMANDIE AVE, STE. 700, TORRANCE, CA 905022047 (Tel: 3102225101)
Recorded as DARRELL HARRINGTON, M.D.
General Practice (License #G73541 in CA)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
21840 Normandie Ave, Ste. 700
Torrance, CA 905022047
Phone: 3102225101
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