KRISTINA GRASSI CRNP
NPI 1649678012
Nurse Practitioner - Family in Philadelphia, PA
About Kristina Grassi Crnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KRISTINA GRASSI CRNP (NPI 1649678012) is an individual family provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (SP014586) and active in the NPI registry since December 2014. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and maintains a secondary practice location in Sellersville.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Kristina Grassi Crnp 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
5Medicare enrollment records show Kristina Grassi reassigns Medicare billing to 5 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
Philadelphia, PA 19107
- Reassigned Medicare billing, Pennsylvania enrollment
- 241 clinicians in this Medicare group
Warrington, PA 18976
- Reassigned Medicare billing, Pennsylvania enrollment
- 18 clinicians in this Medicare group
Lansdale, PA 19446
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Douglassville, PA 19518
- Reassigned Medicare billing, Pennsylvania enrollment
- 86 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
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 Kristina Grassi's NPI number?
The NPI number for Kristina Grassi is 1649678012. It was assigned to this individual provider in the NPPES registry on December 16, 2014.
Where is Kristina Grassi located?
Kristina Grassi practices at 1020 Sansom St, Philadelphia, PA 19107. The listed phone number is (215) 955-6840.
What is Kristina Grassi's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kristina Grassi enrolled in Medicare?
Yes. Kristina Grassi 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 Kristina Grassi's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kristina Grassi reassigns Medicare benefits to 5 organizations: Jefferson University Physicians (Philadelphia, PA), Jefferson Acute Care Physicians, PC (Philadelphia, PA), Buxmont Medical Associates, PC (Warrington, PA), St Luke's Physician Group Inc (Lansdale, PA) and Tower Health Urgent Care, LLC (Douglassville, PA). 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 Kristina Grassi's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kristina Grassi affiliated with any hospitals?
According to CMS data, Kristina Grassi is affiliated with Thomas Jefferson University Hospital.
When was this NPI record last updated?
The NPPES record for Kristina Grassi was last updated on June 1, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Kristina Grassi, CRNP · NPI 1649678012
Family physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since December 16, 2014.
## Identity
- **NPI:** 1649678012 (Entity type: Individual)
- **Enumerated:** December 16, 2014
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** SP014586 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1020 SANSOM ST, Philadelphia, PA 19107-5002
- **Phone:** (215) 955-6840
## 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:** 5 organizations under Medicare reassignment (form CMS-855R): Jefferson University Physicians (NPI 1326093675, Philadelphia, PA); Jefferson Acute Care Physicians, PC (NPI 1730571324, Philadelphia, PA); Buxmont Medical Associates, PC (NPI 1891875456, Warrington, PA); St Luke's Physician Group Inc (NPI 1295620607, Lansdale, PA); Tower Health Urgent Care, LLC (NPI 1194293647, Douglassville, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2014
## Record status
- **NPPES last updated:** June 1, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1649678012) · Data from the CMS NPPES public registry.