KRISTIN AHERN AGACNP
NPI 1922406941
Nurse Practitioner - Acute Care in Philadelphia, PA
About Kristin Ahern Agacnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTIN AHERN AGACNP (NPI 1922406941) is an individual acute care provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP014517) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Other (2014).
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Other Identifiers 1
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
Kristin Ahern Agacnp 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 Kristin Ahern reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,739 clinicians in this Medicare group
Camden, NJ 08103
- Reassigned Medicare billing, New Jersey enrollment
- 383 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Thomas Jefferson University Hospital
Acute Care Hospitals · Philadelphia, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 19107 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.
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
PHILADELPHIA, PA 19107
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 Kristin Ahern's NPI number?
The NPI number for Kristin Ahern is 1922406941. It was assigned to this individual provider in the NPPES registry on December 8, 2014. The provider is also known as Kristin Makris Crnp.
Where is Kristin Ahern located?
Kristin Ahern practices at 111 S 11th St, Philadelphia, PA 19107. The listed phone number is (215) 955-6000.
What is Kristin Ahern's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Kristin Ahern enrolled in Medicare?
Yes. Kristin Ahern 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 Kristin Ahern's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristin Ahern reassigns Medicare benefits to 2 organizations: Jefferson University Physicians (Philadelphia, PA) and Cooper Surgical Associates, PA (Camden, NJ). 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 Kristin Ahern's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kristin Ahern accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and Oscar Health list Kristin Ahern 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.
Is Kristin Ahern affiliated with any hospitals?
According to CMS data, Kristin Ahern is affiliated with Thomas Jefferson University Hospital.
When was this NPI record last updated?
The NPPES record for Kristin Ahern was last updated on August 3, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Kristin Ahern, AGACNP · NPI 1922406941
Acute Care physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 8, 2014.
## Identity
- **NPI:** 1922406941 (Entity type: Individual)
- **Enumerated:** December 8, 2014
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** SP014517 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 111 S 11TH ST, Philadelphia, PA 19107-4824
- **Phone:** (215) 955-6000
## 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): Jefferson University Physicians (NPI 1326093675, Philadelphia, PA); Cooper Surgical Associates, PA (NPI 1649217514, Camden, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** August 3, 2020
- **Other identifiers:** Other 022089 (PA)
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Source: [NPI Profile](https://npiprofile.com/npi/1922406941) · Data from the CMS NPPES public registry.