DIANA MARION SITAR DO
NPI 1174020085
Family Medicine in Fort Myers, FL
About Diana Marion Sitar Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA MARION SITAR DO (NPI 1174020085) is an individual family medicine provider in Fort Myers, Florida, licensed in Florida (OS18192) and active in the NPI registry since April 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Fort Myers.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Diana Marion Sitar Do is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Diana Sitar reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fort Myers, FL 33908
- Reassigned Medicare billing, Florida enrollment
- 49 clinicians in this Medicare group
Fort Myers, FL 33912
- Reassigned Medicare billing, Florida enrollment
- 1,278 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 16
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 33966 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
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 Diana Sitar's NPI number?
The NPI number for Diana Sitar is 1174020085. It was assigned to this individual provider in the NPPES registry on April 7, 2018.
Where is Diana Sitar located?
Diana Sitar practices at 9345 Ben C Pratt/6 Mile Cypress Pkwy Ste 125, Fort Myers, FL 33966. The listed phone number is (239) 320-8145.
What is Diana Sitar's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Diana Sitar enrolled in Medicare?
Yes. Diana Sitar is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Diana Sitar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Sitar reassigns Medicare benefits to 2 organizations: Hope Hospice And Community Services, Inc (Fort Myers, FL) and Millennium Physician Group LLC (Fort Myers, FL). 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 Diana Sitar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Sitar accept?
Health plans from AvMed list Diana Sitar 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.
When was this NPI record last updated?
The NPPES record for Diana Sitar was last updated on February 21, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.