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IM Billing

IM Billing

IM Billing began in Waterford, Michigan as a small at-home billing practice for a selective group of physicians. Now it has grown into a strong and reputable medical billing service that provides a personal touch to ensure physicians receive the proper payment for their services.


Company snapshot

  • Founded in 1992
  • Paubox customer since September 2015


Medical billing

Use case

Send HIPAA compliant, encrypted email by default


Used solution

Favorite features

  • Easy to setup and implement
  • Excellent user experience for sender and recipient
  • Affordable pricing



IM Billing already had one email account protected by Paubox Email Suite Plus, so when it came time to change websites, the company decided to make the jump and start sending HIPAA compliant email for all its employees.



At Paubox, we pride ourselves on a seamless user experience for both the senders and recipients of encrypted email. Our technology allows users to send an email like an ordinary email, without the use of plug-ins, add-ons, or extra steps. Likewise, recipients can open secure emails without the use of email portals or extra passwords.

Paubox uses transport layer security (TLS) encryption and is HITRUST CSF certified.

“We love that all our email is HIPAA compliant and secure, rather than just the necessary email,” said IM Billing president Linda Mondrow. “This takes the guesswork out of what is ok to send without encryption, and makes it easier.”

With Paubox Email Suite Plus, IM Billing staff is able to just write and send emails as normal from any device, and each outbound message is seamlessly encrypted in the background.



In the past 12 months alone, Paubox has encrypted over 3,000 emails sent by 3 IM Billing staff members. Since Paubox encrypts all emails by default, no one had to spend any time wondering about whether or not to encrypt an email; it was done automatically. And all the email recipients had to do was click "open" to read an email - no password or portal required.

In addition, Paubox blocked 59 emails containing viruses, and 659 phishing attempts, any one of which could have led to a security breach and a hefty HIPAA fine.

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