James Grattan

Internal medicine physician in Fort Worth, Texas · NPI 1700528122

James Grattan is one of 342 internal medicine physicians practicing in Fort Worth, Texas. James Grattan practices with Healthtexas Provider Network.

Registry record (NPPES)

NPI: 1700528122
Type: Type 1 · Individual
Primary taxonomy: Internal Medicine · 207R00000X
Address on file: 1400 8th Ave
Fort Worth, TX 76104-4110
(817) 922-4529
Enumerated: Apr 7, 2022
Record last updated: Jul 7, 2025
License states listed: TX

Medicare (CMS)

Enrollment: Medicare-enrolled in TX
Internal Medicine
Revalidation due: No date set by CMS

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

1400 8th Ave
Fort Worth, TX 76104
5408 Colleyville Blvd
Colleyville, TX 76034
(817) 498-9920
4001 Worth St
Dallas, TX 75246

More internal medicine physicians in Fort Worth

Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.