JAVIER M PEREZ M.D.
NPI 1487694915
Surgery in Westfield, NJ
About Javier M Perez M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAVIER M PEREZ M.D. (NPI 1487694915) is an individual surgery provider in Westfield, New Jersey, licensed in Massachusetts (208836) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and is a graduate of Harvard Medical School (1992).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Javier M Perez M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Javier Perez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsfield, MA 01201
- Reassigned Medicare billing, Massachusetts enrollment
- 405 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Berkshire Medical Center
Acute Care Hospitals · Pittsfield, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 07090 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Javier Perez's NPI number?
The NPI number for Javier Perez is 1487694915. It was assigned to this individual provider in the NPPES registry on June 6, 2006.
Where is Javier Perez located?
Javier Perez practices at 217 Benson Pl, Westfield, NJ 07090. The listed phone number is (908) 232-2734.
What is Javier Perez's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Javier Perez enrolled in Medicare?
Yes. Javier Perez is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Javier Perez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Javier Perez reassigns Medicare benefits to Berkshire Faculty Services Inc (Pittsfield, MA). The 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 Javier Perez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Javier Perez affiliated with any hospitals?
According to CMS data, Javier Perez is affiliated with Berkshire Medical Center.
When was this NPI record last updated?
The NPPES record for Javier Perez was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.