Healthcare IT

Seamless EHR Migration: How a Multi-Location Dental Practice Upgraded Without Disrupting Patient Care

Case study: A 4-location dental practice successfully migrated from legacy practice management software to a modern cloud EHR without losing a single patient record or appointment.

LG

Leon Guy

Managing Director & Principal Engineer

January 22, 2026
5 min read

Seamless EHR Migration: How a Multi-Location Dental Practice Upgraded Without Disrupting Patient Care

Industry: Healthcare (Dental Practice)
Challenge: Legacy EHR migration across multiple locations
Result: Zero data loss, zero missed appointments, 40% efficiency improvement


The Problem: Outgrowing Legacy Software

Dr. Jennifer Park had built a successful dental practice over 20 years, growing from a single chair to four locations across Long Island. But her practice management software hadn't kept pace.

"We were running software that was designed in the 1990s," Dr. Park recalls. "It worked—barely—but it couldn't do what modern software does. No patient portal, no integrated imaging, no mobile access. And it ran on servers that were becoming impossible to maintain."

The legacy system had deeper problems:

  • No cloud access: Providers couldn't check schedules or records from home
  • Poor integration: X-rays, treatment plans, and billing lived in separate systems
  • Limited reporting: Getting business insights required manual data extraction
  • Scalability issues: Adding locations meant buying more servers
  • Support ending: The vendor announced end-of-life for the product

"I knew we needed to change," Dr. Park says. "But I was terrified of losing patient data or disrupting our operations. I'd heard horror stories from colleagues."

The Stakes: More Than Just Software

For a healthcare practice, EHR migration carries unique risks:

  • Patient safety: Treatment history must be complete and accurate
  • Legal requirements: Records must be maintained and accessible
  • HIPAA compliance: Data must be protected throughout the transition
  • Revenue continuity: Can't afford extended downtime
  • Staff adoption: New software means new workflows

Dr. Park had delayed the migration for three years, fearing these risks. But the end-of-life announcement forced her hand.

Our Approach: Methodical Migration

We were engaged six months before the legacy system's support deadline. Our approach prioritized safety and continuity.

Phase 1: Discovery and Planning (Weeks 1-4)

System analysis:

  • Inventoried all data in the legacy system
  • Documented integrations (imaging, billing, labs)
  • Mapped workflows at each location
  • Identified customizations and special requirements

Target system selection: We helped Dr. Park evaluate three leading dental practice management systems against her specific requirements:

  • Cloud-native architecture
  • Integrated imaging
  • Patient portal and online scheduling
  • Multi-location support
  • Strong vendor stability and support

Migration planning:

  • Created detailed data mapping specifications
  • Developed testing protocols
  • Established rollback procedures
  • Planned training schedule for all staff

Phase 2: Infrastructure Preparation (Weeks 5-8)

Network upgrades:

  • Upgraded internet connections at all locations
  • Implemented SD-WAN for reliable cloud connectivity
  • Configured backup internet with automatic failover
  • Enhanced WiFi coverage for tablet-based workflows

Security enhancements:

  • Deployed multi-factor authentication
  • Configured role-based access controls
  • Established audit logging
  • Ensured HIPAA-compliant encryption throughout

Workstation preparation:

  • Upgraded older workstations that couldn't run the new software
  • Configured new hardware for operatory displays
  • Set up tablet stations for check-in

Phase 3: Data Migration (Weeks 9-14)

Extraction and transformation:

  • Extracted all patient data from legacy system
  • Cleaned and validated data (found and corrected errors)
  • Transformed data to match new system format
  • Migrated historical imaging files

Validation process:

  • Random sample verification (100 patient records reviewed manually)
  • Automated integrity checks
  • Financial data reconciliation
  • Image file verification

Result: 47,000 patient records migrated with zero data loss.

Phase 4: Training and Testing (Weeks 12-16)

Staff training:

  • Role-specific training for each position
  • Hands-on practice in test environment
  • Workflow documentation and quick reference guides
  • Super-user training for on-site support

Parallel operation:

  • Both systems ran simultaneously for two weeks
  • All new data entered in both systems
  • Staff gained confidence with new software
  • Issues identified and resolved before cutover

Phase 5: Cutover (Weekend)

Friday evening:

  • Final data sync from legacy system
  • Legacy system locked (read-only)
  • Final validation checks

Saturday:

  • Staff completed final practice sessions
  • Imaging system integration verified
  • Payment processing tested

Monday morning:

  • All locations opened on new system
  • Support team on-site at each location
  • Issues addressed in real-time

Result: All appointments completed on time. No patient impacts.

The Results: Transformation Beyond Migration

Immediate benefits:

MetricBeforeAfter
System accessOffice onlyAnywhere (secure cloud)
Check-in time4-5 minutes90 seconds (patient self-service)
Treatment plan presentationPaper printoutsInteractive display
Insurance verificationManual, 10+ minutesAutomated, real-time
End-of-day reconciliation45 minutes10 minutes

6-month impact:

  • 40% reduction in administrative time per patient
  • 35% increase in online booking adoption
  • 22% reduction in claim denials (better coding suggestions)
  • Zero downtime for system issues
  • HIPAA audit passed with zero findings

Staff feedback:

"The first week was hard—change is always hard," admits office manager Lisa Chen. "But by week two, nobody wanted to go back. The new system is so much easier."

"I can check my schedule from home," says Dr. Michael Torres, an associate dentist. "I can review a patient's history before they arrive. It makes me a better provider."

Lessons Learned

1. Plan More Than You Think Necessary

"We spent four months planning for a weekend cutover," Dr. Park reflects. "It seemed like overkill at the time. But that planning is why nothing went wrong."

2. Parallel Operation Builds Confidence

"Running both systems together was expensive and complicated, but it meant my staff felt ready. There was no panic on Monday morning."

3. Don't Underestimate Training

"The software was intuitive, but workflows are habits. Breaking old habits and building new ones takes time and practice."

4. Infrastructure Matters

"Cloud software means nothing if your internet is unreliable. The network upgrades were as important as the software itself."

5. Choose Partners Carefully

"We could have tried to do this ourselves or hired a general IT company. Having a partner who understood healthcare made all the difference."


Is Your Practice Ready to Modernize?

Legacy practice management software is more than an inconvenience—it's a liability. Outdated systems mean:

  • Security vulnerabilities
  • Compliance risks
  • Competitive disadvantage
  • Staff frustration
  • Limited business insights

Layth Solutions has been supporting healthcare practices in the New York area for 30 years. We understand the unique requirements of medical and dental practices—patient safety, HIPAA compliance, and the impossibility of closing for "system upgrades."

Request a confidential practice technology assessment to understand your options and what a modernization project would involve.

LG

Written by

Leon Guy

Managing Director & Principal Engineer

With extensive experience in enterprise IT, Layth Solutions delivers innovative technology solutions that help businesses thrive. Our expertise spans infrastructure, security, automation, and emerging technologies.

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