DR. MARILYN ELIAS EKONOMIDIS MD
NPI 1578091419
Obstetrics & Gynecology in Easton, PA
About Dr. Marilyn Elias Ekonomidis Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARILYN ELIAS EKONOMIDIS MD (NPI 1578091419) is an individual obstetrics & gynecology provider in Easton, Pennsylvania, licensed in Pennsylvania (MD473492) and active in the NPI registry since May 2017. She is enrolled in Medicare PECOS, is affiliated with St Luke's Warren Hospital, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
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
Dr. Marilyn Elias Ekonomidis 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
3Medicare enrollment records show Marilyn Ekonomidis reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Easton, PA 18045
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 clinicians in this Medicare group
Phillipsburg, NJ 08865
- Reassigned Medicare billing, New Jersey enrollment
- Medicare enrollment name: St Lukes Warren Physician Group PC
- 153 clinicians in this Medicare group
Bethlehem, PA 18015
- Reassigned Medicare billing, Pennsylvania enrollment
- 318 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 2
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.
St Luke's Warren Hospital
Acute Care Hospitals · Phillipsburg, NJSt Luke's Hospital Bethlehem
Acute Care Hospitals · Bethlehem, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18045 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 8
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EASTON, PA 18045
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 Marilyn Ekonomidis's NPI number?
The NPI number for Marilyn Ekonomidis is 1578091419. It was assigned to this individual provider in the NPPES registry on May 23, 2017.
Where is Marilyn Ekonomidis located?
Marilyn Ekonomidis practices at 4051 Freemansburg Ave, Easton, PA 18045. The listed phone number is (484) 503-7474.
What is Marilyn Ekonomidis's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Marilyn Ekonomidis enrolled in Medicare?
Yes. Marilyn Ekonomidis 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 Marilyn Ekonomidis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marilyn Ekonomidis reassigns Medicare benefits to 3 organizations: St. Luke's Physician Group, Inc (Easton, PA), St. Luke's Warren Physician Group, PC (Phillipsburg, NJ) and Star Community Health, Inc (Bethlehem, 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 Marilyn Ekonomidis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Marilyn Ekonomidis accept?
Health plans from Oscar Health list Marilyn Ekonomidis 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 Marilyn Ekonomidis affiliated with any hospitals?
According to CMS data, Marilyn Ekonomidis is affiliated with St Luke's Warren Hospital and St Luke's Hospital Bethlehem.
When was this NPI record last updated?
The NPPES record for Marilyn Ekonomidis was last updated on May 31, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Dr. Marilyn Elias Ekonomidis, MD · NPI 1578091419
Obstetrics & Gynecology physician in Easton, Pennsylvania. Individual provider, active in the CMS NPPES registry since May 23, 2017.
## Identity
- **NPI:** 1578091419 (Entity type: Individual)
- **Enumerated:** May 23, 2017
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** MD473492 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 4051 FREEMANSBURG AVE, Easton, PA 18045-5596
- **Phone:** (484) 503-7474
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): St. Luke's Physician Group, Inc (NPI 1043695752, Easton, PA); St. Luke's Warren Physician Group, PC (NPI 1174864490, Phillipsburg, NJ); Star Community Health, Inc (NPI 1033686159, Bethlehem, PA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2017
## Record status
- **NPPES last updated:** May 31, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1578091419) · Data from the CMS NPPES public registry.