CHRISTOPHER J MASTINO MD LLC
NPI 1487899944
Physical Medicine & Rehabilitation in Fairfield, CT
About Christopher J Mastino Md Llc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTOPHER J MASTINO MD LLC (NPI 1487899944) is a healthcare organization registered as a physical medicine & rehabilitation in Fairfield, Connecticut and active in the NPI registry since December 2008. The organization lists Christopher John Mastino, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Christopher J Mastino Md Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Christopher J Mastino MD LLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Christopher J Mastino MD LLC's NPI number?
The NPI number for Christopher J Mastino MD LLC is 1487899944. It was assigned to this organization in the NPPES registry on December 11, 2008.
Where is Christopher J Mastino MD LLC located?
Christopher J Mastino MD LLC is located at 314 Riverside Drive, Fairfield, CT 06824. The listed phone number is (203) 685-6326.
What is Christopher J Mastino MD LLC's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Christopher J Mastino MD LLC enrolled in Medicare?
Yes. Christopher J Mastino MD LLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Christopher J Mastino MD LLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Physical Medicine and Rehabilitation) reassigns their Medicare billing to Christopher J Mastino MD LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Christopher J Mastino MD LLC was last updated on July 19, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.