DIANA CHADDOCK RN, NP
NPI 1144497983
Nurse Practitioner - Adult Health in Rochester, NY
About Diana Chaddock Rn, Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA CHADDOCK RN, NP (NPI 1144497983) is an individual adult health provider in Rochester, New York, licensed in New York (F304798) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS and maintains a secondary practice location in Rochester.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diana Chaddock Rn, Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Diana Chaddock reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Rochester, NY 14618
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Western New York Medical Practice PC
- 1,030 clinicians in this Medicare group
Rochester, NY 14607
- Reassigned Medicare billing, New York enrollment
- 2,285 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 14625 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ROCHESTER, NY 14625
ROCHESTER, NY 14625
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 Diana Chaddock's NPI number?
The NPI number for Diana Chaddock is 1144497983. It was assigned to this individual provider in the NPPES registry on May 12, 2008.
Where is Diana Chaddock located?
Diana Chaddock practices at 30 Hagen Dr Suite 100, Rochester, NY 14625. The listed phone number is (585) 338-2700.
What is Diana Chaddock's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Diana Chaddock enrolled in Medicare?
Yes. Diana Chaddock is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Diana Chaddock's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Chaddock reassigns Medicare benefits to 2 organizations: Western New York Medical Practice, P.C. (Rochester, NY) and Rochester General Hospital (Rochester, 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 Diana Chaddock'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 Diana Chaddock was last updated on August 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.