DR. JOSEPH J ZALADONIS JR. MD
NPI 1013949346
Specialist in Bethlehem, PA
About Dr. Joseph J Zaladonis Jr. Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOSEPH J ZALADONIS JR. MD (NPI 1013949346) is an individual specialist in Bethlehem, Pennsylvania, licensed in Pennsylvania (MD044362L) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, holds a CLIA Certificate of Compliance certificate valid through October 1, 2027, and is affiliated with St Luke's Hospital Bethlehem.
NPPES Registry Identity
Specialties & Licenses
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. Joseph J Zaladonis Jr. 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
4Medicare enrollment records show Joseph Zaladonis reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bethlehem, PA 18017
- Reassigned Medicare billing, Pennsylvania enrollment
- 2 clinicians in this Medicare group
Bethlehem, PA 18017
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,895 clinicians in this Medicare group
Bethlehem, PA 18017
- Reassigned Medicare billing, Pennsylvania enrollment
- 66 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.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 39D0908941
Joseph J Zaladonis Jr MD Lab · Bethlehem, PAAreas of Expertise CMS Part B claims 60
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 3
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, PALehigh Valley Hospital
Acute Care Hospitals · Allentown, PASt Luke's Hospital - Monroe Campus
Acute Care Hospitals · Stroudsburg, PAOther Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BETHLEHEM, PA 18017
BETHLEHEM, PA 18017
BETHLEHEM, PA 18017
BETHLEHEM, PA 18017
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 Joseph Zaladonis's NPI number?
The NPI number for Joseph Zaladonis is 1013949346. It was assigned to this individual provider in the NPPES registry on July 7, 2006.
Where is Joseph Zaladonis located?
Joseph Zaladonis practices at 1665 Valley Center Pkwy Suite 120, Bethlehem, PA 18017. The listed phone number is (610) 868-3150.
What is Joseph Zaladonis's specialty?
The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.
Is Joseph Zaladonis enrolled in Medicare?
Yes. Joseph Zaladonis 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 Joseph Zaladonis's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joseph Zaladonis reassigns Medicare benefits to 4 organizations: Joseph J Zaladonis, Jr, MD, PC (Bethlehem, PA), Lehigh Valley Physician Group (Bethlehem, PA), St. Luke's Hospital (Bethlehem, PA) 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 Joseph Zaladonis's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Does Joseph Zaladonis hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 39D0908941) is associated with this NPI, valid through October 1, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
Is Joseph Zaladonis affiliated with any hospitals?
According to CMS data, Joseph Zaladonis is affiliated with St Luke's Hospital Bethlehem, Lehigh Valley Hospital and St Luke's Hospital - Monroe Campus.
When was this NPI record last updated?
The NPPES record for Joseph Zaladonis was last updated on September 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.