DR. MARK A CASAIA MD
NPI 1093707150
Family Medicine in Easton, PA
About Dr. Mark A Casaia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK A CASAIA MD (NPI 1093707150) is an individual family medicine provider in Easton, Pennsylvania, licensed in Pennsylvania (MD066000L) and active in the NPI registry since August 2005. He is enrolled in Medicare PECOS, is affiliated with St Luke's Warren Hospital, and is a graduate of Pennsylvania State University College Of Medicine (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 5
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. Mark A Casaia 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 Reassignment
Medicare enrollment records show Mark Casaia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Easton, PA 18045
- Reassigned Medicare billing, Pennsylvania enrollment
- Medicare enrollment name: St Lukes Physician Group Inc
- 2,851 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 12
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 5
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, PALehigh Valley Hospital
Acute Care Hospitals · Allentown, PASt Luke's Hospital - Easton Campus
Acute Care Hospitals · Easton, PASt Luke's Hospital - Monroe Campus
Acute Care Hospitals · Stroudsburg, 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.
Referred Medical Equipment & Supplies CMS DME claims 6
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 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
EASTON, PA 18045
EASTON, PA 18045
EASTON, PA 18045
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 Mark Casaia's NPI number?
The NPI number for Mark Casaia is 1093707150. It was assigned to this individual provider in the NPPES registry on August 16, 2005.
Where is Mark Casaia located?
Mark Casaia practices at 2925 William Penn Hwy Suite 201, Easton, PA 18045. The listed phone number is (610) 258-1400.
What is Mark Casaia's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Mark Casaia enrolled in Medicare?
Yes. Mark Casaia 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 organization bills Medicare for Mark Casaia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Casaia reassigns Medicare benefits to St. Luke's Physician Group Inc., Dba (Easton, PA). The 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 Mark Casaia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mark Casaia affiliated with any hospitals?
According to CMS data, Mark Casaia is affiliated with St Luke's Warren Hospital, St Luke's Hospital Bethlehem, Lehigh Valley Hospital, St Luke's Hospital - Easton Campus and St Luke's Hospital - Monroe Campus.
When was this NPI record last updated?
The NPPES record for Mark Casaia was last updated on September 12, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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. Mark A Casaia, MD · NPI 1093707150
Family Medicine physician in Easton, Pennsylvania. Individual provider, active in the CMS NPPES registry since August 16, 2005.
## Identity
- **NPI:** 1093707150 (Entity type: Individual)
- **Enumerated:** August 16, 2005
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** MD066000L (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2925 WILLIAM PENN HWY, SUITE 201, Easton, PA 18045-5283
- **Phone:** (610) 258-1400 · **Fax:** (610) 258-3047
## 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:** St. Luke's Physician Group Inc., Dba (NPI 1184257826, Easton, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pennsylvania State University College Of Medicine, class of 1995
## Record status
- **NPPES last updated:** September 12, 2016
- **Other identifiers:** Medicare UPIN G92197; Medicaid 0017421480002 (PA); Medicare PIN 026822V8G (PA); and 2 more
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Source: [NPI Profile](https://npiprofile.com/npi/1093707150) · Data from the CMS NPPES public registry.