DR. GREGORY TURNER SIMMONS M.D.
NPI 1285913368
Anesthesiology in Palm Harbor, FL

Active since August 08, 2011PECOS Enrolled
80.25/100
CMS Quality Rating
2835 ALT 19 STE B, PALM HARBOR, FL 34683(727) 748-4742(727) 748-4739 Get Directions Write a Review

NPPES record last updated: December 8, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 8, 2020, Jul 30, 2018 (2 updates tracked since 2018).

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

NPI1285913368
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. GREGORY TURNER SIMMONSCredential: M.D.
Location Address2835 ALT 19 STE BPalm Harbor, FL 34683
Mailing Address2835 Alt 19 Ste BPalm Harbor, FL 34683-1926 · (727) 748-4742 · Fax (727) 748-4739
Fax(727) 748-4739
Sole ProprietorYes
Enumeration DateAugust 8, 2011
Last NPPES UpdateDecember 8, 20202 updates tracked since enumeration
NPPES CertifiedDecember 8, 2020
✔ NPI 1285913368 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License✔ Licensed in FL · ME124601
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
Also ListedAnesthesiology · Pain MedicineTaxonomy 207LP2900X · License ME124601 (FL)
2835 ALT 19 STE B, Palm Harbor, FL 34683

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

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).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

5

Medicare 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.

Anesthesiology
3231 N MCMULLEN BOOTH RD
Clearwater, FL 33761
  • Reassigned Medicare billing, Florida enrollment
  • 749 clinicians in this Medicare group
Anesthesiology
201 14TH ST SW
Largo, FL 33770
  • Reassigned Medicare billing, Florida enrollment
  • 1,287 clinicians in this Medicare group
Anesthesiology
2020 59TH ST W
Bradenton, FL 34209
  • Reassigned Medicare billing, Florida enrollment
  • 792 clinicians in this Medicare group
Internal Medicine
1700 S TAMIAMI TRL, 1ST FLOOR FPG ADMINISTRATION
Sarasota, FL 34239
  • Reassigned Medicare billing, Florida enrollment
  • 956 clinicians in this Medicare group
Anesthesiology
851 TRAFALGAR CT, SUITE 200E
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.

Anesthesia for injection, drainage or aspiration procedures on spine or spinal cord of lower back accessed through skin using imaging guidance 01938
This procedure involves using anesthesia to numb your lower back for certain procedures like injections, drainage, or aspiration on your spine or spinal cord. Imaging guidance is used to accurately locate the area to be treated, ensuring precision and safety.
22 services21 patients

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.

80.25/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality83.44
Improvement Activities40
Cost64.53

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.