Dr. John D Armstrong , MD
Radiologic Technologist • Denver, CO
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. John Armstrong has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. John Armstrong, MD was a registered Radiologic Technologist practicing in Denver, CO. Throughout an active medical career spanning 18 years, Dr. Armstrong provided care at the practice location at 1400 JACKSON ST until profile deactivation on 2024-10-11.
Practice Location & Contact Primary Location
1400 Jackson St
Atten: Beryl Small
Denver, CO 802062761
Specialty Benchmarks & Practice Insights
Comparative analytics for Radiologic Technologist in Denver, CO
Practicing in Denver, CO (20 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 247100000X
A medical imaging or radiation therapy professional who is appropriately educated and trained to perform medical imaging procedures using ionizing and nonionizing radiation.
Practice Associates & Co-Workers
Healthcare professionals and specialists practicing at this location or sharing practice phone/fax
Allergy & Immunology
Internal Medicine - Cardiovascular Disease
Doctor of Medicine (M.D.)
Dietitian, Registered
Registered Dietitian
Internal Medicine - Gastroenterology
Doctor of Medicine (M.D.)
Pharmacy Technician
Allergy & Immunology
Doctor of Medicine (M.D.)
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on October 11, 2024
NPI status registered as active in NPPES database
Registered at 1400 JACKSON ST, ATTEN: BERYL SMALL, DENVER, CO 802062761 (Tel: 3033884461)
Registered at 1400 JACKSON ST, ATTEN: BERYL SMALL, DENVER, CO 802062761 (Tel: 3033884461)
Recorded as JOHN ARMSTRONG, MD
Radiologic Technologist (License #30480 in CO)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1400 Jackson St, Atten: Beryl Small
Denver, CO 802062761
Phone: 3033884461
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