CARMEN ADRIANA ALVAREZ MD
NPI 1508828906
Family Medicine in Williamsville, NY
About Carmen Adriana Alvarez Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CARMEN ADRIANA ALVAREZ MD (NPI 1508828906) is an individual family medicine provider in Williamsville, New York, licensed in New York (169624) and active in the NPI registry since April 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Carmen Adriana Alvarez Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Carmen Alvarez reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Williamsville, NY 14221
- Reassigned Medicare billing, New York enrollment
- 13 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 2
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14221 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 9
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BUFFALO, NY 14221
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
WILLIAMSVILLE, NY 14221
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 Carmen Alvarez's NPI number?
The NPI number for Carmen Alvarez is 1508828906. It was assigned to this individual provider in the NPPES registry on April 3, 2006.
Where is Carmen Alvarez located?
Carmen Alvarez practices at 100 College Pkwy Ste 260, Williamsville, NY 14221. The listed phone number is (716) 635-0688.
What is Carmen Alvarez's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Carmen Alvarez enrolled in Medicare?
Yes. Carmen Alvarez is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Carmen Alvarez's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Carmen Alvarez reassigns Medicare benefits to R & B Medical Group, LLP (Williamsville, NY). 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 Carmen Alvarez's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Carmen Alvarez was last updated on June 20, 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.