DR. MATTHEW THOMAS RIVERA MD
NPI 1598256190
Family Medicine in Dunkirk, NY
About Dr. Matthew Thomas Rivera Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MATTHEW THOMAS RIVERA MD (NPI 1598256190) is an individual family medicine provider in Dunkirk, New York, licensed in New York (310349) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, is affiliated with Bertrand Chaffee Hospital, and maintains a secondary practice location in Cassadaga.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Location 1
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
Dr. Matthew Thomas Rivera 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 Reassignments
2Medicare enrollment records show Matthew Rivera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dunkirk, NY 14048
- Reassigned Medicare billing, New York enrollment
- 63 clinicians in this Medicare group
Buffalo, NY 14203
- Reassigned Medicare billing, New York enrollment
- 40 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.
Hospital Affiliations CMS Care Compare 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Bertrand Chaffee Hospital
Acute Care Hospitals · Springville, NYBrooks-Tlc Hospital System, Inc
Acute Care Hospitals · Dunkirk, NYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14048 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
DUNKIRK, NY 14048
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 Matthew Rivera's NPI number?
The NPI number for Matthew Rivera is 1598256190. It was assigned to this individual provider in the NPPES registry on May 21, 2018. The provider is also known as Matthew T. Rivera-Bloodworth MD.
Where is Matthew Rivera located?
Matthew Rivera practices at 75 E 3rd St, Dunkirk, NY 14048. The listed phone number is (716) 363-6050.
What is Matthew Rivera's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Matthew Rivera enrolled in Medicare?
Yes. Matthew Rivera 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 organizations bill Medicare for Matthew Rivera's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Matthew Rivera reassigns Medicare benefits to 2 organizations: The Chautauqua Center, Inc (Dunkirk, NY) and Jericho Road Ministries, Inc. (Buffalo, NY). Each 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 Matthew Rivera's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Matthew Rivera affiliated with any hospitals?
According to CMS data, Matthew Rivera is affiliated with Bertrand Chaffee Hospital and Brooks-Tlc Hospital System, Inc.
When was this NPI record last updated?
The NPPES record for Matthew Rivera was last updated on June 10, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Dr. Matthew Thomas Rivera, MD · NPI 1598256190
Family Medicine physician in Dunkirk, New York. Individual provider, active in the CMS NPPES registry since May 21, 2018.
## Identity
- **NPI:** 1598256190 (Entity type: Individual)
- **Enumerated:** May 21, 2018
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 310349 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 75 E 3RD ST, Dunkirk, NY 14048-2239
- **Phone:** (716) 363-6050 · **Fax:** (833) 974-1992
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): The Chautauqua Center, Inc (NPI 1760747521, Dunkirk, NY); Jericho Road Ministries, Inc. (NPI 1205474681, Buffalo, NY) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Georgia School Of Medicine, class of 2018
## Record status
- **NPPES last updated:** June 10, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1598256190) · Data from the CMS NPPES public registry.