Richard Heston Seidel, MD

Gastroenterologist in Tyler, Texas · NPI 1821001116

Richard Seidel is one of 52 gastroenterologists practicing in Tyler, Texas. Richard Seidel practices with Christus Trinity Clinic.

Registry record (NPPES)

NPI: 1821001116
Type: Type 1 · Individual
Primary taxonomy: Internal Medicine, Gastroenterology · 207RG0100X
Address on file: 1720 South Beckham Ave
Tyler, TX 75701
(903) 595-5101
Enumerated: Aug 15, 2006
Record last updated: Oct 8, 2026
License states listed: TX

Medicare (CMS)

Enrollment: Medicare-enrolled in TX
Gastroenterology
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

620 S Fleishel Ave Christus Trinity Clinic
Tyler, TX 75701
(903) 606-4900
630 S Fleishel Ave
Tyler, TX 75701
(903) 606-5560
800 E Dawson St Christus Trinity Clinic
Tyler, TX 75701
(903) 510-1186
910 E Houston St
Tyler, TX 75702
18780 Interstate 20
Canton, TX 75103
(903) 567-4841
PO Box Suite 846098
Dallas, TX 75284
105 Zeid Blvd
Henderson, TX 75652
(903) 595-2283
5321 S FM 14 Christus Trinity Clinic
Holly Lake Ranch, TX 75765
(903) 769-2990
3203 S Main St Christus Trinity Clinic
Lindale, TX 75771
(903) 266-4000
1302 N Pacific St Christus Trinity Clinic
Mineola, TX 75773
(903) 569-5383

More gastroenterologists in Tyler

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.