RENATA N MAZZEI -KLOKIW MD
NPI 1073583738
Family Medicine in Clifton Park, NY
About Renata N Mazzei -klokiw Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
RENATA N MAZZEI -KLOKIW MD (NPI 1073583738) is an individual family medicine provider in Clifton Park, New York, licensed in New York (229963) and active in the NPI registry since January 2006. She is enrolled in Medicare PECOS, is affiliated with Ellis Hospital, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 11
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
Renata N Mazzei -klokiw Md 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 Renata Mazzei -klokiw reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Schenectady, NY 12308
- Reassigned Medicare billing, New York enrollment
- 462 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 4
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ellis Hospital
Acute Care Hospitals · Schenectady, NYSaratoga Hospital
Acute Care Hospitals · Saratoga Springs, NYSunnyview Hospital And Rehabilitation Center
Acute Care Hospitals · Schenectady, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 12065 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CLIFTON PARK, NY 12065
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 Renata Mazzei -klokiw's NPI number?
The NPI number for Renata Mazzei -klokiw is 1073583738. It was assigned to this individual provider in the NPPES registry on January 25, 2006. The provider is also known as Renata Nicoletta Mazzei MD.
Where is Renata Mazzei -klokiw located?
Renata Mazzei -klokiw practices at 103 Sitterly Road Suite 2300, Clifton Park, NY 12065. The listed phone number is (518) 579-2650.
What is Renata Mazzei -klokiw's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Renata Mazzei -klokiw enrolled in Medicare?
Yes. Renata Mazzei -klokiw 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 Renata Mazzei -klokiw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Renata Mazzei -klokiw reassigns Medicare benefits to Ellis Hospital (Schenectady, 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 Renata Mazzei -klokiw's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Renata Mazzei -klokiw affiliated with any hospitals?
According to CMS data, Renata Mazzei -klokiw is affiliated with Ellis Hospital, Saratoga Hospital and Sunnyview Hospital And Rehabilitation Center.
When was this NPI record last updated?
The NPPES record for Renata Mazzei -klokiw was last updated on April 5, 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.