MARY M STEPHENS MD
NPI 1265418073
Family Medicine in Philadelphia, PA
About Mary M Stephens Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY M STEPHENS MD (NPI 1265418073) is an individual family medicine provider in Philadelphia, Pennsylvania, licensed in Pennsylvania (MD060197L) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with Thomas Jefferson University Hospital, and maintains a secondary practice location in Wilmington.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 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
Mary M Stephens 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 Mary Stephens 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
Wilmington, DE 19803
- Reassigned Medicare billing, Delaware enrollment
- Also billed through NPI 1760811681 (Delaware)
- 1,531 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 5
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
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 19112 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
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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PHILADELPHIA, PA 19112
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 Mary Stephens's NPI number?
The NPI number for Mary Stephens is 1265418073. It was assigned to this individual provider in the NPPES registry on December 22, 2005.
Where is Mary Stephens located?
Mary Stephens practices at 3 Crescent Dr, Philadelphia, PA 19112. The listed phone number is (215) 503-7136.
What is Mary Stephens's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mary Stephens enrolled in Medicare?
Yes. Mary Stephens 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 Mary Stephens's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Stephens reassigns Medicare benefits to 2 organizations: Jefferson University Physicians (Philadelphia, PA) and Christiana Care Health Services, Inc (Wilmington, DE). 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 Mary Stephens's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Stephens accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Buckeye Health Plan and AmeriHealth Caritas Next list Mary Stephens 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 Mary Stephens affiliated with any hospitals?
According to CMS data, Mary Stephens is affiliated with Thomas Jefferson University Hospital.
When was this NPI record last updated?
The NPPES record for Mary Stephens was last updated on October 31, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.