Mark Fitzsimmons, MD
Quick Facts
NPI Validation Status: Verified
Provider Overview
MARK FITZSIMMONS, MD is a Family Medicine provider based in Port Washington, WI who has been registered with CMS since 2006. This NPI is currently Active under CMS NPPES registry.
Provider Details
Practice Location
Specialties & Licenses
Mailing Address
How to Use This NPI
For Insurance Billing
Use NPI 1639284706 in Box 33 of the CMS-1500 claim form. This number is required by all major insurance carriers to identify the billing provider and process electronic medical claims.
For Credentialing
Reference NPI 1639284706for provider credential verification. Hospital systems, state licensing boards, and CAQH directories query this number to verify the provider's active clinical status.
For Patients
Share NPI 1639284706 with your insurance company. If you need to verify out-of-network benefits or file a reimbursement claim, your insurance provider will require this number to process it.
About Family Medicine
Family Medicine physicians provide comprehensive primary care to patients of all ages, managing acute illnesses, tracking chronic conditions, and emphasizing preventive healthcare.
Similar Providers in Port Washington
Anna Lizza Siasoco, M.D
📍 Port Washington, NY 11050-4201
John Bonavia, MD
📍 Port Washington, WI 53074-2075
Scott Rex, MD
📍 Port Washington, NY 11050-2902
Holly Bienenstock, DO
📍 Port Washington, NY 11050-2946
William Hall, M.D
📍 Port Washington, WI 53074
Farzad Shokri-tabibzadeh, M.D
📍 Port Washington, NY 11050-2913
Other Healthcare Providers in Port Washington
Martin Brownstein, M.D
DermatologyOhana Ambulance And Emergency Medical Service Llc
Specialty not listedHerbert Lovens, MSW
Social WorkerPaul Grady, LCSW
Clinical Social WorkerGlenn Zipperer, LCSW CADC III
Addiction CounselorDonald Fischer, MD
PsychiatryOther Family Medicine Providers in Wisconsin
People Also Ask
What is Mark Fitzsimmons's NPI number?
Is Mark Fitzsimmons's NPI currently active?
What does Mark Fitzsimmons specialize in?
207Q00000X.