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Nurse Practitioner

Trudy G. Istre, NP

Works at hospitals in Baytown, TX · Texas

Summary

Trudy G. Istre, NP is a nurse practitioner at 16605 Southwest Fwy, Sugar Land, TX 77479. Phone: (281) 275-0800. Accepts Medicare assignment. In 2024, Trudy G. Istre had 146 Original Medicare patients and 671 services. NPI 1346581931. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Nurse practitioner
  • Address: 16605 Southwest Fwy, Sugar Land, TX 77479 · Directions (6 more locations)
  • Phone: (281) 275‑0800
  • Medicare: Accepts Medicare assignment
  • Hospital: Houston Methodist Baytown Hospital
  • Group practice: TMH Physician Associates PLLC
  • School: graduated 2008
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Trudy G. Istre, 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 Trudy G. Istre accept Medicare assignment?
Yes. Medicare's clinician data says Trudy G. Istre 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 Trudy G. Istre see?
In 2024, CMS data shows 146 Original Medicare patients and 671 services for Trudy G. Istre. This counts Original Medicare only and measures volume, not quality.
What is Trudy G. Istre's NPI number?
1346581931. 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 Trudy G. Istre, 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 patients146
Services billed to Medicare671
Different services or procedures24
Participating Medicare providerYes
Average age of these patients74

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)102 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)86 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)47 services
  4. Administration of influenza virus vaccine (G0008)31 services
  5. Influenza vaccine split virus, preservative free (90662)30 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%
  • Arthritis54%
  • Ischemic heart disease38%
  • Diabetes36%
  • Chronic kidney disease30%

Hospitals where Trudy G. Istre works

Medicare's Facility Affiliation Data lists Trudy G. Istre at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Trudy G. Istre is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 7; the Medicare profile lists all.

Group practices

Medicare enrollment lists Trudy G. Istre as a member of this group (CMS data updated October 2, 2026).

  • TMH Physician Associates PLLC1,690 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Texas →

Other nurse practitioners in Sugar Land

Clinicians with the same Medicare primary specialty in Sugar Land, TX — not a recommendation.

All nurse practitioners in Sugar Land →

Other clinicians in TMH Physician Associates PLLC

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2008
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1346581931
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians