DR. GREGORY ROY ISTRE (M.D.) – Pediatric Infectious Diseases Physician, NPI 1336128057

DR. GREGORY ROY ISTRE (M.D.) is a healthcare provider. based in Dallas, Texas. specializing in Pediatric Infectious Diseases Physician. They hold the professional credentials M.D.. They hold a License No. J0536 (TX). The NPI Number for DR. GREGORY ROY ISTRE (M.D.) is 1336128057

Main info

Male
Name
DR. GREGORY ROY ISTRE (M.D.)
NPI
1336128057
Phone
(214) 855-8510
Address
PO BOX 795275
Enumeration Date
11 January 2006
Last Update Date
3 February 2012
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience54
Completeness75
Years active:20State licenses:1Digital endpointsOther names

Loading map...

Provider Addresses for DR. GREGORY ROY ISTRE (M.D.)

  • Band Box Place, Dallas, Dallas County, Texas, 75244, United States

    DALLAS, TX 753795275

    Phone: (214) 855-8510

    Type: Mailing

  • 4014, Crestwood Drive, Hebron, Carrollton, Denton County, Texas, 75007, United States

    CARROLLTON, TX 750071645

    Phone: (214) 855-8510

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

Loading prescription activity...

Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 75379)

Loading plans...

Reviews

All reviews are moderated before publication. Reviews reflect users' opinions; we do not verify the accuracy of individual reviews.

No reviews yet. Be the first to share your experience — your opinion helps families compare providers.

Frequently asked questions

What identifier follows DR. GREGORY ROY ISTRE (M.D.) across health systems?
The NPI 1336128057 uniquely identifies DR. GREGORY ROY ISTRE (M.D.) in U.S. healthcare data.
Is DR. GREGORY ROY ISTRE (M.D.)'s NPI status active today?
Active status means DR. GREGORY ROY ISTRE (M.D.)'s NPI record is not deactivated in the public file.
What services align with DR. GREGORY ROY ISTRE (M.D.)'s listing?
DR. GREGORY ROY ISTRE (M.D.)'s public classification highlights Pediatric Infectious Diseases Physician. Clinical services aligned with this taxonomy classification.
What city is tied to DR. GREGORY ROY ISTRE (M.D.)?
The directory associates DR. GREGORY ROY ISTRE (M.D.) with Dallas, Texas. Check all listed addresses for suites or satellite offices.
What is the difference between NPI and a medical license?
An NPI is a federal identifier; a medical license is issued by a state and governs where someone may practice.

Similar Providers

JEFFREY SCOTT KAHN (MD)

Pediatric Infectious Diseases Physician
Band Box Place, Dallas, Dallas County, Texas, 75244, United States
NPI: 1578546396

DR. WENDY MINGYEE CHUNG (M.D.)

Pediatric Infectious Diseases Physician
3523, McKinney Avenue, Uptown PID, Dallas, TX, Dallas, Dallas County, Texas, 75204, United States
NPI: 1902885718

ANDREW YOUNG KOH (M.D.)

Pediatric Hematology & Oncology Physician
Band Box Place, Dallas, Dallas County, Texas, 75244, United States
NPI: 1316914997

JAMES FRANCIS AMATRUDA (MD PHD)

Pediatric Hematology & Oncology Physician
5323 HARRY HINES BOULEVARD PEDIATRICS MC 9063
NPI: 1689643140

ROBERT DOUGLAS HARDY (MD)

Infectious Disease Physician
4922 SPRING AVE
NPI: 1588623615

DR. JAMES H. BRIEN (D.O.)

Pediatric Infectious Diseases Physician
1901, Southwest H K Dodgen Loop, Temple, Bell County, Texas, 76504, United States
NPI: 1407815111

DR. MANJUSHA J. GAGLANI (M.D.)

Pediatric Infectious Diseases Physician
Band Box Place, Dallas, Dallas County, Texas, 75244, United States
NPI: 1518926922

HASAN SYED JAFRI (MD)

Pediatric Infectious Diseases Physician
Band Box Place, Dallas, Dallas County, Texas, 75244, United States
NPI: 1194785030