Independent US Healthcare Provider Directory & Public Medical Database
Deactivated NPI 1215017934 Deactivated / Inactive NPI Male Practitioner

Dr. Mark E. Johnson , MD

Orthopaedic Surgery • Houston, TX

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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. Mark Johnson has officially deactivated this NPI record and ceased active healthcare practice.

Registration / Start Date October 17, 2006
NPI Deactivation Date July 24, 2025
Total Practice Duration ~19 Years of Practice (2006 – 2025)

Professional Overview & Biography Verified Profile Summary

Dr. Mark Johnson, MD was a registered Orthopaedic Surgery practicing in Houston, TX. Throughout an active medical career spanning 19 years, Dr. Johnson provided care at the practice location at 6701 FANNIN ST until profile deactivation on 2025-07-24.

Practice Location & Contact Primary Location

Practice Address

6701 Fannin St
8th Floor

Houston, TX 770302316

Telephone 8328223135
Associated Practice Facility / Clinic
🏢 Baylor College Of Medicine Facility NPI 1386691681

Specialty Benchmarks & Practice Insights

Comparative analytics for Orthopaedic Surgery in Houston, TX

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 24.1 Yrs
State Avg: 25.4 Yrs
Regional Practice Density
214 Specialists

Practicing in Houston, TX (1627 Statewide)

Telehealth Adoption Rate
6.1% 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

Orthopaedic Surgery Primary Specialty

NUCC Taxonomy Code: 207X00000X

State License TX J3505

An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

Practice Associates & Co-Workers

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

10 Associated Practitioners
Dr. Jed Nuchtern , MD

Surgery - Pediatric Surgery

NPI 1194805507

Doctor of Medicine (M.D.)

Dr. David Wesson , MD

Surgery - Pediatric Surgery

NPI 1215017561

Doctor of Medicine (M.D.)

Dr. Paul Minifee , MD

Surgery - Pediatric Surgery

NPI 1235219643

Doctor of Medicine (M.D.)

Dr. Mark Mazziotti , MD

Surgery - Pediatric Surgery

NPI 1306809918

Doctor of Medicine (M.D.)

Joanne Alters , PA-C

Physician Assistant

NPI 1316323595

Physician Assistant (Certified)

Lauren Magalhaes , RD

Physician Assistant

NPI 1629625124

Registered Dietitian

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 July 24, 2025

Record deactivated on July 24, 2025

NPI Profile Active November 06, 2008

NPI status registered as active in NPPES database

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Updated Practice Location November 06, 2008

Registered at 6701 FANNIN ST, 8TH FLOOR, HOUSTON, TX 770302316 (Tel: 8328223135)

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Updated Business Mailing Address November 06, 2008

Registered at 2 E GREENWAY PLZ, SUITE 900, HOUSTON, TX 770460297 (Tel: 7137981750)

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Provider Name / Credentials Updated November 06, 2008

Recorded as MARK JOHNSON, M.D.

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Medical Taxonomy / Specialty Registered (Primary Specialty) November 06, 2008

Orthopaedic Surgery (License #J3505 in TX)

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Initial NPI Registration & Enumeration October 17, 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: 1215017934
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: October 17, 2006
Last Update: November 06, 2008
Deactivation Date: July 24, 2025

Mailing Address

2 E Greenway Plz, Suite 900

Houston, TX 770460297

Phone: 7137981750

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.