DR. MARK JONATHAN NICOLAU M.D.
NPI 1164787834
Surgery in Bethlehem, PA
About Dr. Mark Jonathan Nicolau M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARK JONATHAN NICOLAU M.D. (NPI 1164787834) is an individual surgery provider in Bethlehem, Pennsylvania, licensed in Pennsylvania (MD461321) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Lehigh Valley Hospital, and is a graduate of Rutgers New Jersey Medical School (2012).
NPPES Registry Identity
Specialties & Licenses
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. Mark Jonathan Nicolau 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 Reassignment
Medicare enrollment records show Mark Nicolau reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Bethlehem, PA 18017
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,895 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 11
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.
Lehigh Valley Hospital
Acute Care Hospitals · Allentown, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 18017 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.
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 Nicolau's NPI number?
The NPI number for Mark Nicolau is 1164787834. It was assigned to this individual provider in the NPPES registry on July 9, 2012.
Where is Mark Nicolau located?
Mark Nicolau practices at 2649 Schoenersville Rd Ste 202, Bethlehem, PA 18017. The listed phone number is (484) 884-1007.
What is Mark Nicolau's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Mark Nicolau enrolled in Medicare?
Yes. Mark Nicolau 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 Nicolau's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Nicolau reassigns Medicare benefits to Lehigh Valley Physician Group (Bethlehem, 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 Nicolau's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Nicolau accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Mark Nicolau 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 Mark Nicolau affiliated with any hospitals?
According to CMS data, Mark Nicolau is affiliated with Lehigh Valley Hospital.
When was this NPI record last updated?
The NPPES record for Mark Nicolau was last updated on March 1, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.