Trudy Istre, RN FNP-C
NPI 1346581931 · Nurse Practitioner · Baytown, TX
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Trudy Istre, RN FNP-C is a Nurse Practitioner provider in Baytown, TX (NPI 1346581931).
Provider details
- NPI number
- 1346581931
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 605007 (TX)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
13 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
286 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 102 | $109 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 86 | $78 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 47 | $111 |
| Administration of Influenza Virus VaccineG0008 | 31 | $33 |
| Admn Sarscov2 Vacc 1 Dose90480 | 20 | $44 |
Typical Medicare-allowed amounts for these services range $33–$111 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 78 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 205 | 77 |
| Atorvastatin Calcium | 158 | 64 |
| Amlodipine Besylate | 135 | 63 |
| Levothyroxine Sodium | 112 | 42 |
| Losartan Potassium | 92 | 38 |
| Lisinopril | 90 | 35 |
| Pantoprazole Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,040 across 57 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2013-03-07
- Last updated
- 2021-04-23
- Certified
- 2021-04-23
Frequently asked questions
- What is Trudy Istre's NPI number?
- Trudy Istre's National Provider Identifier (NPI) is 1346581931, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trudy Istre's specialty?
- Trudy Istre is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Trudy Istre located?
- Trudy Istre's practice location on file with NPPES is 2610 N. Alexander Dr. Suite 201, Baytown, TX 77520.
- What is Trudy Istre's phone number?
- The practice phone number listed in the NPPES registry for Trudy Istre is (832) 556-6670.
- Does Trudy Istre accept Medicare?
- Trudy Istre is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Trudy Istre's NPI active?
- Yes — Trudy Istre's NPI (1346581931) is active in the NPPES registry as of the last update on 2021-04-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.