Doctor profile · Federal record
Dr. Shehzad Merwat, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Gastroenterology Physician · Gastroenterology Physician · Transplant Hepatology Physician · Internal Medicine Physician · Houston, TX
- NPI 1891700597
- Accepts Medicare
- MIPS 81.3 / 100 · 2023
- 25 yrs in practice
- Licensed in 3 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
6400 Fannin St Ste 1400
Houston, TX 770301512
(713) 704-3450 - Additional location
-
11104 Parkview Circle Dr Ste 310
Fort Wayne, IN 468451733
(260) 266-5230
fax (260) 458-5972 - Additional location
-
580 Court St
Keene, NH 034311718
(603) 345-5400
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- November 3, 2025
- Year of graduation
- 2001 — 25 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State licenses (3)
- New Hampshire #38549 · Indiana #01097609A · Texas #M6291
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1891700597. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
96
Distinct HCPCS
3
Medicare allowed
$12,035
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 56 | 25 | $119 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 22 | 21 | $178 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 18 | 11 | $81 |
In context: peer comparison
Among 86 peers in this city , average services per provider: 77. This provider delivers 1.2× the peer median.Open Payments
Industry payments received
All-time total
$425
Transactions
3
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Gilead Sciences, Inc. | 2 | $278.34 | |
| Mallinckrodt Hospital Products Inc. | 1 | $146.63 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
16
Patients
0
Total drug cost
$50,873
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Xifaxan (Rifaximin) | Brand | 16 | 0 | $50,873 |
Hospital affiliations
Frequently asked questions
What is Dr. Shehzad Merwat's medical specialty?
Dr. Shehzad Merwat practices Gastroenterology Physician in Houston, TX.
Where does Dr. Shehzad Merwat practice?
Dr. Shehzad Merwat practices at 6400 Fannin St Ste 1400, Houston, TX 770301512. Office phone: 7137043450.
What is Dr. Shehzad Merwat's NPI?
Dr. Shehzad Merwat's National Provider Identifier (NPI) is 1891700597, issued by NPPES.
Does Dr. Shehzad Merwat accept Medicare assignment?
Yes. Dr. Shehzad Merwat accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Shehzad Merwat commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Initial hospital care with moderate level of medical decision making (HCPCS 99223); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.