MR. MARK A SZEWCZYK MD
NPI 1811002066
Otolaryngology in Lakeland, FL
About Mr. Mark A Szewczyk Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK A SZEWCZYK MD (NPI 1811002066) is an individual otolaryngology provider in Lakeland, Florida, licensed in Florida (ME148765) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with St Joseph Hospital, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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
Mr. Mark A Szewczyk 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
2Medicare enrollment records show Mark Szewczyk reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lakeland, FL 33805
- Reassigned Medicare billing, Florida enrollment
- 740 clinicians in this Medicare group
Bangor, ME 04401
- Reassigned Medicare billing, Maine enrollment
- 788 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 8
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 Joseph Hospital
Acute Care Hospitals · Bangor, MENorthern Light Eastern Maine Medical Center
Acute Care Hospitals · Bangor, MEPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33803 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 12
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
LAKELAND, FL 33803
LAKELAND, FL 33803
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 Szewczyk's NPI number?
The NPI number for Mark Szewczyk is 1811002066. It was assigned to this individual provider in the NPPES registry on August 20, 2006.
Where is Mark Szewczyk located?
Mark Szewczyk practices at 3030 Harden Blvd, Lakeland, FL 33803. The listed phone number is (863) 284-5906.
What is Mark Szewczyk's specialty?
The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.
Is Mark Szewczyk enrolled in Medicare?
Yes. Mark Szewczyk 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 Mark Szewczyk's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Szewczyk reassigns Medicare benefits to 2 organizations: Lakeland Regional Health Systems, Inc. (Lakeland, FL) and Eastern Maine Medical Center (Bangor, ME). 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 Mark Szewczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Szewczyk accept?
Health plans from Anthem Blue Cross and Blue Shield and Taro Health list Mark Szewczyk 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 Szewczyk affiliated with any hospitals?
According to CMS data, Mark Szewczyk is affiliated with St Joseph Hospital and Northern Light Eastern Maine Medical Center.
When was this NPI record last updated?
The NPPES record for Mark Szewczyk was last updated on September 22, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 36 days 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.