PCMH stands for Patient Centered Medical home - Level 3 is the highest you can get - there are level 1, 2, 3
The organization that recognized us is NCQA - The National Committee on Quality Assurance
You can check out the website - ncqa.org
It is hard to explain if you don't know anything about it but it is quite a process to get recognized. It is a great exercise for the clinic and provides high quality care for the patient.
There are no specific requirements as far as employees etc. you can read the qualifications on their website.