DIANE DADDARIO
NPI 1962769851
Nurse Practitioner - Adult Health in Williamsport, PA
About Diane Daddario NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANE DADDARIO (NPI 1962769851) is an individual adult health provider in Williamsport, Pennsylvania, licensed in Pennsylvania (SP013995) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diane Daddario is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
6Medicare enrollment records show Diane Daddario reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lock Haven, PA 17745
- Reassigned Medicare billing, Pennsylvania enrollment
- 2 clinicians in this Medicare group
Shamokin, PA 17872
- Reassigned Medicare billing, Pennsylvania enrollment
- 2 clinicians in this Medicare group
State College, PA 16801
- Reassigned Medicare billing, Pennsylvania enrollment
- 2 clinicians in this Medicare group
Harrisburg, PA 17110
- Reassigned Medicare billing, Pennsylvania enrollment
- 40 clinicians in this Medicare group
Harrisburg, PA 17111
- Reassigned Medicare billing, Pennsylvania enrollment
- 2 clinicians in this Medicare group
Columbia, MD 21044
- Reassigned Medicare billing, Pennsylvania enrollment
- 108 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
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 17701 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.
WILLIAMSPORT, PA 17701
WILLIAMSPORT, PA 17701
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 Diane Daddario's NPI number?
The NPI number for Diane Daddario is 1962769851. It was assigned to this individual provider in the NPPES registry on April 16, 2012.
Where is Diane Daddario located?
Diane Daddario practices at 1100 Grampian Blvd, Williamsport, PA 17701. The listed phone number is (570) 320-7680.
What is Diane Daddario's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Adult Health, with taxonomy code 363LA2200X.
Is Diane Daddario enrolled in Medicare?
Yes. Diane Daddario is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Diane Daddario's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diane Daddario reassigns Medicare benefits to 6 organizations: Community Nursing Service Of Clinton County Inc (Lock Haven, PA), Vna Health System (Shamokin, PA), Centre Homecare, Inc. (State College, PA), Ih Physician Services PC (Harrisburg, PA), Visiting Nurse Association Of Central PA Inc (Harrisburg, PA) and 1 more organization, listed in the Medicare section above. 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 Diane Daddario'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 Diane Daddario was last updated on May 2, 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.