DR. SIMON GRINSHTEYN M.D.
NPI 1841589173
Family Medicine in Fort Myers, FL
About Dr. Simon Grinshteyn M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. SIMON GRINSHTEYN M.D. (NPI 1841589173) is an individual family medicine provider in Fort Myers, Florida, licensed in Florida (ME121251) and active in the NPI registry since April 2011. He maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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)
Dr. Simon Grinshteyn M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Simon Grinshteyn reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Punta Gorda, FL 33950
- Reassigned Medicare billing, Florida enrollment
- 69 clinicians in this Medicare group
Bradenton, FL 34203
- Reassigned Medicare billing, Florida enrollment
- 348 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.
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.
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.
FORT MYERS, FL 33901
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 Simon Grinshteyn's NPI number?
The NPI number for Simon Grinshteyn is 1841589173. It was assigned to this individual provider in the NPPES registry on April 7, 2011.
Where is Simon Grinshteyn located?
Simon Grinshteyn practices at 2675 Winkler Ave Fl 2, Fort Myers, FL 33901. The listed phone number is (855) 979-5700.
What is Simon Grinshteyn's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Simon Grinshteyn enrolled in Medicare?
Yes. Simon Grinshteyn is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Simon Grinshteyn's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Simon Grinshteyn reassigns Medicare benefits to 2 organizations: Port Charlotte Hma Physician Management LLC (Punta Gorda, FL) and Dedicated Senior Medical Center Of Florida, LLC (Bradenton, 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 Simon Grinshteyn's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Simon Grinshteyn accept?
Health plans from Molina Healthcare, Oscar Health Maintenance Organization of Florida and Wellpoint list Simon Grinshteyn 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 Simon Grinshteyn was last updated on March 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.