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Deactivated NPI 1356336846 Deactivated / Inactive NPI Male Practitioner

Dr. Gary Alfred Decker , MD

Internal Medicine • Jacksonville, FL

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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. Gary Decker has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date September 12, 2005
NPI Deactivation Date October 09, 2025
Total Practice Duration ~20 Years of Practice (2005 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Gary Decker, MD was a registered Internal Medicine practicing in Jacksonville, FL. Throughout an active medical career spanning 20 years, Dr. Decker provided care at the practice location at 3627 UNIVERSITY BLVD S until profile deactivation on 2025-10-09.

Practice Location & Contact Primary Location

Practice Address

3627 University Blvd S
Suite 415

Jacksonville, FL 322164230

Telephone 9043985123
Fax 9043989157
Associated Practice Facility / Clinic
🏢 First Coast Hospitalist P L Facility NPI 1700817327

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Jacksonville, FL

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 24.1 Yrs
State Avg: 26.5 Yrs
Regional Practice Density
568 Specialists

Practicing in Jacksonville, FL (10650 Statewide)

Telehealth Adoption Rate
19.4% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Internal Medicine Primary Specialty

NUCC Taxonomy Code: 207R00000X

State License FL ME0034917

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

2 Associated Practitioners
Dr. Manoj Pulicottil , MD

Internal Medicine

NPI 1306877972

Doctor of Medicine (M.D.)

Deborah Chastain , ARNP

Nurse Practitioner - Adult Health

NPI 1972513414

Advanced Registered Nurse Practitioner

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

8 Historical Events
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NPI Profile Deactivated October 09, 2025

Record deactivated on October 09, 2025

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Medical Taxonomy / Specialty Registered (Primary Specialty) August 24, 2025

Internal Medicine (License #ME0034917 in FL)

NPI Profile Active May 20, 2008

NPI status registered as active in NPPES database

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Updated Practice Location May 20, 2008

Registered at 3627 UNIVERSITY BLVD S, SUITE 415, JACKSONVILLE, FL 322164230 (Tel: 9043985123)

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Updated Business Mailing Address May 20, 2008

Registered at PO BOX 61148, JACKSONVILLE, FL 322361148 (Tel: 9043083696)

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Provider Name / Credentials Updated May 20, 2008

Recorded as GARY DECKER, M. D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) May 20, 2008

Internal Medicine (License #ME0034917 in FL)

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Initial NPI Registration & Enumeration September 12, 2005

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1356336846
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: September 12, 2005
Last Update: May 20, 2008
Deactivation Date: October 09, 2025

Mailing Address

Po Box 61148

Jacksonville, FL 322361148

Phone: 9043083696

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.