GRACE S LEE-RIDDLE MD
NPI 1457612731
Surgery in Philadelphia, PA
About Grace S Lee-riddle Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GRACE S LEE-RIDDLE MD (NPI 1457612731) is an individual surgery provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD454212) and active in the NPI registry since June 2012. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and is a graduate of Other (2012).
NPPES Registry Identity
Specialties & Licenses 2
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
Grace S Lee-riddle Md 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 Grace Lee-riddle 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
Newark, NJ 07103
- Reassigned Medicare billing, New Jersey enrollment
- 149 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.
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.
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 Grace Lee-riddle's NPI number?
The NPI number for Grace Lee-riddle is 1457612731. It was assigned to this individual provider in the NPPES registry on June 4, 2012.
Where is Grace Lee-riddle located?
Grace Lee-riddle practices at 1101 Chestnut St, Philadelphia, PA 19107. The listed phone number is (215) 955-6000.
What is Grace Lee-riddle's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Grace Lee-riddle enrolled in Medicare?
Yes. Grace Lee-riddle 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 Grace Lee-riddle's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Grace Lee-riddle reassigns Medicare benefits to 2 organizations: Jefferson University Physicians (Philadelphia, PA) and University Physician Associates Of New Jersey Inc (Newark, 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 Grace Lee-riddle's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Grace Lee-riddle accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan, AmeriHealth Caritas Next and Oscar Health list Grace Lee-riddle 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 Grace Lee-riddle affiliated with any hospitals?
According to CMS data, Grace Lee-riddle is affiliated with Thomas Jefferson University Hospital.
When was this NPI record last updated?
The NPPES record for Grace Lee-riddle was last updated on August 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.
# Grace S Lee-Riddle, MD · NPI 1457612731
Surgery physician in Philadelphia, Pennsylvania. Individual provider, active in the CMS NPPES registry since June 4, 2012.
## Identity
- **NPI:** 1457612731 (Entity type: Individual)
- **Enumerated:** June 4, 2012
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD454212 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 1101 CHESTNUT ST, Philadelphia, PA 19107-3612
- **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); University Physician Associates Of New Jersey Inc (NPI 1639189236, Newark, NJ) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2012
## Record status
- **NPPES last updated:** August 31, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1457612731) · Data from the CMS NPPES public registry.