GASTROENTEROLOGY DIAGNOSTIC CENTER
NPI 1699825661
Internal Medicine - Gastroenterology in Tomball, TX
About Gastroenterology Diagnostic Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GASTROENTEROLOGY DIAGNOSTIC CENTER (NPI 1699825661) is a healthcare organization registered as a gastroenterology in Tomball, Texas and active in the NPI registry since January 2007. The organization lists Shabbir Jamali, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 3
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Gastroenterology Diagnostic Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by October 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
6Medicare enrollment records show 6 clinicians reassign Medicare billing to Gastroenterology Diagnostic Center, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.
Clinicians, nearest first (6)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Shabbir Husain Jamali MD PA's NPI number?
The NPI number for Shabbir Husain Jamali MD PA is 1699825661. It was assigned to this organization in the NPPES registry on January 11, 2007. The provider is doing business as Gastroenterology Diagnostic Center.
Where is Shabbir Husain Jamali MD PA located?
Shabbir Husain Jamali MD PA is located at 421 School St Suite 110, Tomball, TX 77375. The listed phone number is (281) 357-1977.
What is Shabbir Husain Jamali MD PA's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Shabbir Husain Jamali MD PA enrolled in Medicare?
Yes. Shabbir Husain Jamali MD PA is registered in the Medicare PECOS enrollment system.
When is Shabbir Husain Jamali MD PA's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Shabbir Husain Jamali MD PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 3 Medicare specialties reassign their Medicare billing to Shabbir Husain Jamali MD PA. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Gastroenterology (3), Nurse Practitioner (2) and Internal Medicine (1). Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Shabbir Husain Jamali MD PA was last updated on October 15, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gastroenterology Diagnostic Center · NPI 1699825661
Gastroenterology organization in Tomball, Texas. Organization record, active in the CMS NPPES registry since January 11, 2007.
## Identity
- **NPI:** 1699825661 (Entity type: Organization)
- **Enumerated:** January 11, 2007
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **Legal business name:** Shabbir Husain Jamali Md Pa
- **Organization subpart:** No
- **Authorized official:** Shabbir Jamali, PRESIDENT
## Practice location
- **Address:** 421 SCHOOL ST, SUITE 110, Tomball, TX 77375-4589
- **Phone:** (281) 357-1977 · **Fax:** (281) 357-1057
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** October 31, 2026 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 6 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Gastroenterology (3), Nurse Practitioner (2), Internal Medicine (1); 2 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** October 15, 2007
- **Other identifiers:** Medicare UPIN G48992 (TX); Medicaid 1799397 (TX); Medicare PIN 00822X (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1699825661) · Data from the CMS NPPES public registry.