CAITLIN JOHANNA WARF DO
NPI 1720329170
Internal Medicine in Harrisburg, PA
About Caitlin Johanna Warf Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CAITLIN JOHANNA WARF DO (NPI 1720329170) is an individual internal medicine provider in Harrisburg, Pennsylvania, licensed in Pennsylvania (OS017624) and active in the NPI registry since March 2013. She is enrolled in Medicare PECOS, is affiliated with Upmc Pinnacle Hospitals, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 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
Caitlin Johanna Warf Do 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 Caitlin Warf reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Middleburg, PA 17842
- Reassigned Medicare billing, Pennsylvania enrollment
- 357 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 19
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Pinnacle Hospitals
Acute Care Hospitals · Harrisburg, PAMilton S Hershey Medical Center
Acute Care Hospitals · Hershey, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17109 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 8
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 19
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARRISBURG, PA 17109
HARRISBURG, PA 17109
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 Caitlin Warf's NPI number?
The NPI number for Caitlin Warf is 1720329170. It was assigned to this individual provider in the NPPES registry on March 11, 2013.
Where is Caitlin Warf located?
Caitlin Warf practices at 4830 Londonderry Rd, Harrisburg, PA 17109. The listed phone number is (717) 657-2595.
What is Caitlin Warf's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Caitlin Warf enrolled in Medicare?
Yes. Caitlin Warf 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 Caitlin Warf's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Caitlin Warf reassigns Medicare benefits to Family Practice Center, PC (Middleburg, PA). 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 Caitlin Warf's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Caitlin Warf affiliated with any hospitals?
According to CMS data, Caitlin Warf is affiliated with Upmc Pinnacle Hospitals and Milton S Hershey Medical Center.
When was this NPI record last updated?
The NPPES record for Caitlin Warf was last updated on July 27, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.