DR. MAHER EL CHAAR M.D
NPI 1891986717
Surgery in Allentown, PA
About Dr. Maher El Chaar M.d NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MAHER EL CHAAR M.D (NPI 1891986717) is an individual surgery provider in Allentown, Pennsylvania, licensed in Pennsylvania (MD433929) and active in the NPI registry since August 2007. He is enrolled in Medicare PECOS, is affiliated with St Luke's Hospital Bethlehem, and maintains a secondary practice location in New Bedford.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 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
Dr. Maher El Chaar M.d 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 Maher El Chaar reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Allentown, PA 18104
- 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
Fairhaven, MA 02719
- Reassigned Medicare billing, Massachusetts enrollment
- 1,144 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 6
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.
St Luke's Hospital Bethlehem
Acute Care Hospitals · Bethlehem, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18104 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 12
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
ALLENTOWN, PA 18104
ALLENTOWN, PA 18104
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 Maher El Chaar's NPI number?
The NPI number for Maher El Chaar is 1891986717. It was assigned to this individual provider in the NPPES registry on August 6, 2007.
Where is Maher El Chaar located?
Maher El Chaar practices at 240 Cetronia Rd Suite 205N, Allentown, PA 18104. The listed phone number is (484) 426-2600.
What is Maher El Chaar's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Maher El Chaar enrolled in Medicare?
Yes. Maher El Chaar 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 Maher El Chaar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maher El Chaar reassigns Medicare benefits to 3 organizations: St. Luke's Physician Group, Inc. (Allentown, PA), St. Luke's Warren Physician Group, PC (Phillipsburg, NJ) and Southcoast Physicians Group, Inc. (Fairhaven, MA). 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 Maher El Chaar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maher El Chaar accept?
Health plans from Oscar Health list Maher El Chaar 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 Maher El Chaar affiliated with any hospitals?
According to CMS data, Maher El Chaar is affiliated with St Luke's Hospital Bethlehem.
When was this NPI record last updated?
The NPPES record for Maher El Chaar was last updated on March 29, 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.
# Dr. Maher El Chaar, M.D · NPI 1891986717
Surgery physician in Allentown, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 6, 2007.
## Identity
- **NPI:** 1891986717 (Entity type: Individual)
- **Enumerated:** August 6, 2007
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** MD433929 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 240 CETRONIA RD, SUITE 205N, Allentown, PA 18104-9263
- **Phone:** (484) 426-2600 · **Fax:** (610) 336-4379
## 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 1740219211, Allentown, PA); St. Luke's Warren Physician Group, PC (NPI 1578041174, Phillipsburg, NJ); Southcoast Physicians Group, Inc. (NPI 1336137629, Fairhaven, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** March 29, 2021
- **Other identifiers:** Medicaid N0099B (SC); Medicaid 5912643 (NC)
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Source: [NPI Profile](https://npiprofile.com/npi/1891986717) · Data from the CMS NPPES public registry.