SHEHZAD N MERWAT M.D.
NPI 1891700597
Internal Medicine - Gastroenterology in Houston, TX
About Shehzad N Merwat M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SHEHZAD N MERWAT M.D. (NPI 1891700597) is an individual gastroenterology provider in Houston, Texas, licensed in New Hampshire (38549) and active in the NPI registry since July 2006. He is enrolled in Medicare PECOS, is affiliated with Parkview Regional Medical Center, and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Shehzad N Merwat M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
6Medicare enrollment records show Shehzad Merwat reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Galveston, TX 77555
- Reassigned Medicare billing, Texas enrollment
- 2,222 clinicians in this Medicare group
San Antonio, TX 78207
- Reassigned Medicare billing, Texas enrollment
- 1,129 clinicians in this Medicare group
Huntington, IN 46750
- Reassigned Medicare billing, Indiana enrollment
- 1,752 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 450 clinicians in this Medicare group
Keene, NH 03431
- Reassigned Medicare billing, New Hampshire enrollment
- 2,999 clinicians in this Medicare group
Lebanon, NH 03756
- Reassigned Medicare billing, New Hampshire enrollment
- 2,620 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 3
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Parkview Regional Medical Center
Acute Care Hospitals · Fort Wayne, INCheshire Medical Center
Acute Care Hospitals · Keene, NHMemorial Hermann - Texas Medical Center
Acute Care Hospitals · Houston, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77030 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
HOUSTON, TX 77030
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 Shehzad Merwat's NPI number?
The NPI number for Shehzad Merwat is 1891700597. It was assigned to this individual provider in the NPPES registry on July 30, 2006.
Where is Shehzad Merwat located?
Shehzad Merwat practices at 6400 Fannin St Ste 1400, Houston, TX 77030. The listed phone number is (713) 704-3450.
What is Shehzad Merwat's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Shehzad Merwat enrolled in Medicare?
Yes. Shehzad Merwat is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Shehzad Merwat's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Shehzad Merwat reassigns Medicare benefits to 6 organizations: Utmb Faculty Group Practice (Galveston, TX), Community Medicine Associates (San Antonio, TX), Parkview Health System,inc (Huntington, IN), Cheshire Medical Center (Keene, NH), Dartmouth-Hitchcock Clinic (Keene, NH) and 1 more organization, listed in the Medicare section above. Each 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 Shehzad Merwat's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Shehzad Merwat accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and Blue Cross and Blue Shield of Texas and 1 other insurer list Shehzad Merwat as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Shehzad Merwat affiliated with any hospitals?
According to CMS data, Shehzad Merwat is affiliated with Parkview Regional Medical Center, Cheshire Medical Center and Memorial Hermann - Texas Medical Center.
When was this NPI record last updated?
The NPPES record for Shehzad Merwat was last updated on November 3, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.
# Shehzad N Merwat, M.D. · NPI 1891700597
Gastroenterology physician in Houston, Texas. Individual provider, active in the CMS NPPES registry since July 30, 2006.
## Identity
- **NPI:** 1891700597 (Entity type: Individual)
- **Enumerated:** July 30, 2006
- **Primary specialty:** Internal Medicine - Gastroenterology · taxonomy 207RG0100X
- **State license:** 38549 (New Hampshire)
- **Sole proprietor:** No
## Practice location
- **Address:** 6400 FANNIN ST STE 1400, Houston, TX 77030-1512
- **Phone:** (713) 704-3450
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Utmb Faculty Group Practice (NPI 1942241146, Galveston, TX); Community Medicine Associates (NPI 1245313329, San Antonio, TX); Parkview Health System,inc (NPI 1467779124, Huntington, IN); Cheshire Medical Center (NPI 1093803397, Keene, NH); Dartmouth-Hitchcock Clinic (NPI 1174176861, Keene, NH); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** November 3, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1891700597) · Data from the CMS NPPES public registry.