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Revenue made easy, with GreenTree

  •  GreenTree Billing Solutions (GBS) provides quick billing services that will allow you to generate revenue effectively and efficiently.

  • Our team focuses on relationship building and trust, keeping the customers needs as our number one priority. We pride ourselves in making the billing process simpler using both our experience and dedication as well as a unique approach we call GreenFlow

  • It is our commitment to take the stress away from you and your entire staff. We can assure you that you will see the benefits of maximum receivables and cash flow through our prompt and efficient GreenFlow process.

  • We approach revenue cycle in a unique way and our services consistently outperform industry benchmarks and allow managers to focus on high-value activities.

  • Lowering your overhead can be easier than you think. We can help lower your overhead for your business by reducing office expenses, increasing your cash flow, and collecting claims. This gives you the ability to focus on your patients. 

  • Our unique approach focuses on the patient experience. Our team ensures that the patient understands how to access the healthcare they want and need. We also make it our mission to manage our clients healthcare costs positively. GreenTree is guaranteed to make the GreenFlow.


  • Hiring the right people- Creates a culture that aligns with our organization's strategic plans and goals.
  • Good data and analytics- Review data that supports your key performance indicators every single day of the year. There should never be surprises to your financial leader in an effectively ran business.
  • Self-service technology- Apps that let patients self-schedule and do other things.
  • Focus on the patient experience- Focusing on the patient experience and helping patients understand how to access the healthcare services they need and how to manage healthcare costs.
  • Billing cycle = workflow- An inefficient system delays billing and causes inaccurate billing. This threatens the vitality of the practice.
Cash flow problems come from poor workflow.
This is why you should choose GreenFlow.


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  • Specialties Of Service

    At GreenTree Billing, we offer personalized billing and administrative solutions at competitive rates that meet the unique needs of medical practices throughout New York.

  • All Phases Of Billing

    Our highly trained staff can handle every aspect of your billing, reimbursement, coding and reporting needs, so that you can focus on the most important aspect of your practice – your patients.

  • Full Analysis & Evaluation

    We can perform a complete financial analysis and evaluation of your business practices and offer comprehensive solutions to help your business run more effectively and efficiently.

Client Testimonials

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    GreenTree changed my entire companies business around. We were able to finally get a hold of invoices, billing and all the other things that come along with challenges in our business. THANK YOU GREENTREE!


  • My Image

    Nicole at GreenTree is fantastic and changed my companies life. They made billing and invoices so easy and I can sleep easy knowing that my company is in good hands.

    Philip Fatta, CFO Saint Phoenix Marketing

  • My Image

    Great work by great people!!

    Christine Foley

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    Contact us with for inquires or questions you may have! Our team works around the clock to ensure satisfaction for all!

    Jene Bloggs

About Us

Medical Reimbursement Services of Long Island can assist your practice with many aspects of medical billing including Medicare billing, worker’s compensation billing, no fault billing, payment tracking, revenue reporting, financial reports, accounts receivable, weekly follow-up services and more.

MRS is HIPAA compliant and we are one of the only medical billing companies on Long Island that has a highly qualified staff that can handle every aspect of your medical billing, reimbursement, coding and reporting needs, so that you can focus on the most important aspect of your Long Island practice – your patients.

Hours Of Business

Monday: 8:30AM–4:30PM
Tuesday: 8:30AM–4:30PM
Wednesday: 8:30AM–4:30PM
Thursday: 8:30AM–4:30PM
Friday: 8:30AM–4:30PM
Weekends: Closed

Contact Us

T: (555) 666-7777
A: 2222 Street Address, NY 11710

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