DR. PETER DAVID BYEFF MD
NPI 1710979463
Internal Medicine - Hematology & Oncology in Southington, CT
About Dr. Peter David Byeff Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. PETER DAVID BYEFF MD (NPI 1710979463) is an individual hematology & oncology provider in Southington, Connecticut, licensed in Connecticut (023371) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS and is a graduate of Johns Hopkins University School Of Medicine (1974).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 9
Accepted Insurance
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. Peter David Byeff 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 Peter Byeff reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
New Britain, CT 06052
- Reassigned Medicare billing, Connecticut enrollment
- 745 clinicians in this Medicare group
Wethersfield, CT 06109
- Reassigned Medicare billing, Connecticut enrollment
- 747 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 5
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 06489 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
SOUTHINGTON, CT 06489
SOUTHINGTON, CT 06489
SOUTHINGTON, CT 06489
SOUTHINGTON, CT 06489
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 Peter Byeff's NPI number?
The NPI number for Peter Byeff is 1710979463. It was assigned to this individual provider in the NPPES registry on August 18, 2005.
Where is Peter Byeff located?
Peter Byeff practices at 55 Meriden Ave Ste 1A, Southington, CT 06489. The listed phone number is (860) 621-9316.
What is Peter Byeff's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Peter Byeff enrolled in Medicare?
Yes. Peter Byeff 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 Peter Byeff's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Peter Byeff reassigns Medicare benefits to 2 organizations: The Hospital Of Central Connecticut At New Britain General And Bradley (New Britain, CT) and Hartford Healthcare Medical Group, Inc (Wethersfield, CT). 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 Peter Byeff's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Peter Byeff accept?
Health plans from Anthem Blue Cross and Blue Shield list Peter Byeff as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Peter Byeff was last updated on February 25, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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. Peter David Byeff, MD · NPI 1710979463
Hematology & Oncology physician in Southington, Connecticut. Individual provider, active in the CMS NPPES registry since August 18, 2005.
## Identity
- **NPI:** 1710979463 (Entity type: Individual)
- **Enumerated:** August 18, 2005
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **State license:** 023371 (Connecticut)
- **Sole proprietor:** No
## Practice location
- **Address:** 55 MERIDEN AVE, STE 1A, Southington, CT 06489-3238
- **Phone:** (860) 621-9316 · **Fax:** (860) 620-5526
## 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 Hospital Of Central Connecticut At New Britain General And Bradley (NPI 1053477075, New Britain, CT); Hartford Healthcare Medical Group, Inc (NPI 1043561301, Wethersfield, CT) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Johns Hopkins University School Of Medicine, class of 1974
## Record status
- **NPPES last updated:** February 25, 2008
- **Other identifiers:** Other 1037869; Other HAS005 (CT); Other 057020 (CT); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1710979463) · Data from the CMS NPPES public registry.