Dr. Martin Roy First , MD
Specialist • Northbrook, IL
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. Martin First has officially deactivated this NPI record and ceased active healthcare practice.
Professional Overview & Biography Verified Profile Summary
Dr. Martin First, MD was a registered Specialist practicing in Northbrook, IL. Throughout an active medical career spanning 13 years, Dr. First provided care at the practice location at 1 ASTELLAS WAY until profile deactivation on 2025-09-11.
Practice Location & Contact Primary Location
1 Astellas Way
Northbrook, IL 600626111
Specialty Benchmarks & Practice Insights
Comparative analytics for Specialist in Northbrook, IL
Practicing in Northbrook, IL (1322 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
Internal Medicine - Hematology & Oncology
Doctor of Medicine (M.D.)
Anesthesiology
Doctor of Medicine (M.D.)
Pharmacist
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 1 ASTELLAS WAY, NORTHBROOK, IL 600626111 (Tel: 2242058812)
Registered at 1201 W WRIGHTWOOD AVE, UNIT 13, CHICAGO, IL 606141250 (Tel: 7736657751)
Recorded as MARTIN FIRST, M.D.
Specialist (License #36-47881 in IL)
First registered as active Individual Practitioner in NPPES Database.
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NPI Administrative Meta
Mailing Address
1201 W Wrightwood Ave, Unit 13
Chicago, IL 606141250
Phone: 7736657751
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