DR. GREGORY TURNER SIMMONS M.D.
NPI 1285913368
Anesthesiology in Palm Harbor, FL
About Dr. Gregory Turner Simmons M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY TURNER SIMMONS M.D. (NPI 1285913368) is an individual anesthesiology provider in Palm Harbor, Florida, licensed in Florida (ME124601) and active in the NPI registry since August 2011. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Dr. Gregory Turner Simmons M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
5Medicare enrollment records show Gregory Simmons reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Clearwater, FL 33761
- Reassigned Medicare billing, Florida enrollment
- 749 clinicians in this Medicare group
Largo, FL 33770
- Reassigned Medicare billing, Florida enrollment
- 1,287 clinicians in this Medicare group
Bradenton, FL 34209
- Reassigned Medicare billing, Florida enrollment
- 792 clinicians in this Medicare group
Sarasota, FL 34239
- Reassigned Medicare billing, Florida enrollment
- 956 clinicians in this Medicare group
Maitland, FL 32751
- Reassigned Medicare billing, Florida enrollment
- 2,356 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
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.
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.
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 Gregory Simmons's NPI number?
The NPI number for Gregory Simmons is 1285913368. It was assigned to this individual provider in the NPPES registry on August 8, 2011.
Where is Gregory Simmons located?
Gregory Simmons practices at 2835 Alt 19 Ste B, Palm Harbor, FL 34683. The listed phone number is (727) 748-4742.
What is Gregory Simmons's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Gregory Simmons enrolled in Medicare?
Yes. Gregory Simmons is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Gregory Simmons's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Simmons reassigns Medicare benefits to 5 organizations: Greater Florida Anesthesiologists, LLC (Clearwater, FL), Gulf-To-Bay Anesthesiology Associates LLC (Largo, FL), Sunshine State Anesthesia Partners LLC (Bradenton, FL), Smh Physician Services Inc (Sarasota, FL) and Us Anesthesia Partners Of Florida Inc. (Maitland, 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 Gregory Simmons's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Gregory Simmons was last updated on December 8, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.