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Deactivated NPI 1043385651 Deactivated / Inactive NPI Male Practitioner

Dr. Michael Terry Sullivan , MD

Internal Medicine • Frederick, MD

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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. Michael Sullivan has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date November 21, 2006
NPI Deactivation Date December 26, 2024
Total Practice Duration ~18 Years of Practice (2006 – 2024)

Professional Overview & Biography Verified Profile Summary

Dr. Michael Sullivan, MD was a registered Internal Medicine practicing in Frederick, MD. Throughout an active medical career spanning 18 years, Dr. Sullivan provided care at the practice location at 22 S MARKET STREET until profile deactivation on 2024-12-26.

Practice Location & Contact Primary Location

Practice Address

22 S Market Street

Frederick, MD 21701

Telephone 3016825683
Fax 3016823499

Specialty Benchmarks & Practice Insights

Comparative analytics for Internal Medicine in Frederick, MD

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 27.2 Yrs
State Avg: 28.1 Yrs
Regional Practice Density
64 Specialists

Practicing in Frederick, MD (4114 Statewide)

Telehealth Adoption Rate
31.2% 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 MD D45426

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
Barbara Rebele , PA-C

Physician Assistant - Medical

NPI 1619121472

Physician Assistant (Certified)

Dr. Susan Holland , MD

Internal Medicine

NPI 1932195948

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 December 26, 2024

Record deactivated on December 26, 2024

NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

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Updated Practice Location July 08, 2007

Registered at 22 S MARKET STREET, FREDERICK, MD 21701 (Tel: 3016825683)

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Updated Business Mailing Address July 08, 2007

Registered at 301 COUNTRY CLUB TRAIL, FAIRFIELD, PA 17320 (Tel: 7176426727)

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Provider Name / Credentials Updated July 08, 2007

Recorded as MICHAEL SULLIVAN, MD

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Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Internal Medicine (License #D45426 in MD)

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Initial NPI Registration & Enumeration November 21, 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: 1043385651
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: November 21, 2006
Last Update: July 08, 2007
Deactivation Date: December 26, 2024

Mailing Address

301 Country Club Trail

Fairfield, PA 17320

Phone: 7176426727

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.