Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1124031299 Deactivated / Inactive NPI Male Practitioner

Frederick W. Hays M.d.

Surgery • Concord, MA

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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, Frederick Hays M.d. has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date August 13, 2006
NPI Deactivation Date January 01, 2026
Total Practice Duration ~20 Years of Practice (2006 – 2026)

Professional Overview & Biography Verified Profile Summary

Frederick Hays M.D. was a registered Surgery practicing in Concord, MA. Throughout an active medical career spanning 20 years, Frederick Hays M.D. provided care at the practice location at 290 BAKER AVE until profile deactivation on 2026-01-01.

Practice Location & Contact Primary Location

Practice Address

290 Baker Ave

Concord, MA 01742

Telephone 9783695677
Fax 9783711673
Associated Practice Facility / Clinic
🏢 Pediatric Dentistry Facility NPI 1629055793

Specialty Benchmarks & Practice Insights

Comparative analytics for Surgery in Concord, MA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 23.0 Yrs
State Avg: 28.2 Yrs
Regional Practice Density
10 Specialists

Practicing in Concord, MA (1077 Statewide)

Telehealth Adoption Rate
10.0% 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

Surgery Primary Specialty

NUCC Taxonomy Code: 208600000X

State License MA 29665

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.

Practice Associates & Co-Workers

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

1 Associated Practitioners
NPI 1205868783

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

7 Historical Events
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NPI Profile Deactivated January 01, 2026

Record deactivated on January 01, 2026

NPI Profile Active July 16, 2012

NPI status registered as active in NPPES database

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Updated Practice Location July 16, 2012

Registered at 290 BAKER AVE, CONCORD, MA 01742 (Tel: 9783695677)

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Updated Business Mailing Address July 16, 2012

Registered at 290 BAKER AVE, CONCORD, MA 01742 (Tel: 9783695677)

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Provider Name / Credentials Updated July 16, 2012

Recorded as FREDERICK HAYS M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 16, 2012

Surgery (License #29665 in MA)

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Initial NPI Registration & Enumeration August 13, 2006

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: 1124031299
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: August 13, 2006
Last Update: July 16, 2012
Deactivation Date: January 01, 2026

Mailing Address

290 Baker Ave

Concord, MA 01742

Phone: 9783695677

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.