Dr. Jack Burton Blumberg , MD
Surgery • Portland, OR
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. Jack Blumberg has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Jack Blumberg, MD was a registered Surgery practicing in Portland, OR. Throughout an active medical career spanning 19 years, Dr. Blumberg provided care at the practice location at 2521 NW UPSHUR ST until profile deactivation on 2026-01-15.
Practice Location & Contact Primary Location
2521 Nw Upshur St
Portland, OR 972102549
Specialty Benchmarks & Practice Insights
Comparative analytics for Surgery in Portland, OR
Practicing in Portland, OR (555 Statewide)
In-Person Office Visits Only
Under CMS Medicare Fee Schedule vs Standard Submitted Charges
Medical Specialties & State Licenses
NUCC Taxonomy Code: 208600000X
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Career & Practice History Timeline
Chronological log of verified NPI updates, location relocations, credentials, and registry changes
Record deactivated on January 15, 2026
NPI status registered as active in NPPES database
Registered at 2521 NW UPSHUR ST, PORTLAND, OR 972102549 (Tel: 5032230394)
Registered at 2521 NW UPSHUR ST, PORTLAND, OR 972102549 (Tel: 5032230394)
Recorded as JACK BLUMBERG, M.D.
Surgery (License #5643 in OR)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
2521 Nw Upshur St
Portland, OR 972102549
Phone: 5032230394
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