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Internal Medicine

Gregory W. Nestor, MD

Sees patients in Treasure Island, FL · Florida

Summary

Dr. Gregory W. Nestor, MD is an internal medicine doctor at 200 104th Ave, Suite 1, Treasure Island, FL 33706. Phone: (727) 242-4049. Accepts Medicare assignment. In 2024, Gregory W. Nestor had 154 Original Medicare patients and 1,209 services. NPI 1639165863. Source: CMS National Downloadable File, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 200 104th Ave, Suite 1, Treasure Island, FL 33706 · Directions
  • Phone: (727) 242‑4049
  • Medicare: Accepts Medicare assignment
  • Medical school: University Of South Florida College Of Medicine · graduated 1987 (39 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Gregory W. Nestor, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Gregory W. Nestor accept Medicare assignment?
Yes. Medicare's clinician data says Gregory W. Nestor accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Gregory W. Nestor see?
In 2024, CMS data shows 154 Original Medicare patients and 1,209 services for Gregory W. Nestor. This counts Original Medicare only and measures volume, not quality.
What is Gregory W. Nestor's NPI number?
1639165863. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Gregory W. Nestor, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients154
Services billed to Medicare1,209
Different services or procedures32
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Remote monitoring of physiologic parameters, initial supply of devices with daily recordings or programmed alerts transmission, each 30 days (99454)329 services
  2. Management using the results of remote vital sign monitoring per calendar month, first 20 minutes (99457)329 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)201 services
  4. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)185 services
  5. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)95 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Ischemic heart disease55%
  • Arthritis37%
  • Diabetes29%
  • Depression28%

Practice locations

Addresses where Gregory W. Nestor is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Internal Medicine doctors in Florida →

Other internal medicine doctors in Florida

Clinicians with the same Medicare primary specialty in Florida — not a recommendation.

All internal medicine doctors in Florida →

Clinician information

CredentialMD
Medical schoolUniversity Of South Florida College Of Medicine
Graduation year1987 (39 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1639165863
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians