Syed Z. Hasnain, MD
Internal Medicine Physician · Houston, TX
Syed Z. Hasnain, MD is an internal medicine physician with a practice address in Houston, Texas, and NPI 1992755953, issued on May 11, 2006. Check the license (Texas L1339, as entered in NPPES) on the Texas Medical Board; the Medicare figures below come from public CMS files.
- Name
- Syed Z. Hasnain
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- L1339 TX
Self-reported in NPPES; status is on the state search - Practice location
- 18400 Katy Fwy, Houston, TX 77094
- Phone
- (281) 829-6969
- Enumerated
- May 11, 2006
- Record last updated
- Feb 24, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (281) 829-1535
- Medicaid ID
- 142799913 TX
- Medicare enrollment
- Enrolled (PECOS I20050503000884); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 9,175 in Texas → Look up another NPI →
Also registered at 18400 Katy Fwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Syed Z. Hasnain in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersTexas Medical Board
Search for license L1339Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
24% fewer Medicare Part D claims than the average internal medicine physician in 2024
2,423 Medicare Part D claims for 404 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 195 claims were for opioids.
Most prescribed
- Atorvastatin Calcium131 claims
- Tramadol Hcl115 claims
- Amlodipine Besylate98 claims
- Cefdinir87 claims
- Pantoprazole Sodium78 claims
- Furosemide68 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Family Health Consultants P A.Houston, TX
- Legacy Healthcare Services IncLewisville, TX
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Syed Z. Hasnain among 9,175 internal medicine physician records in Texas
Syed Z. Hasnain, MD is one of 9,175 internal medicine physician records with a practice address in Texas. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 59% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1989 · median 2004 among the 6,088 with a school on file
- Record last updated2015 · 49% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,488 internal medicine physician records list a practice address in Houston
They are 1,488 of the 61,221 NPPES records with a practice address in Houston, and 9,175 internal medicine physician records in Texas.
All 9,175 in Texas → Every provider in Houston → Internal Medicine Physician nationwide →
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Common questions
What is Syed Z. Hasnain, MD's NPI number?
Syed Z. Hasnain, MD's National Provider Identifier (NPI) is 1992755953, issued on May 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Syed Z. Hasnain, MD located?
The NPPES record lists a practice address at 18400 Katy Fwy, Houston, TX, 77094. Phone: (281) 829-6969. Providers update this record themselves, so call before visiting.
How can I verify Syed Z. Hasnain, MD's license?
NPPES lists Texas license number L1339, as entered by the provider. Search the Texas Medical Board at https://profile.tmb.state.tx.us/Search.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Syed Z. Hasnain, MD prescribe under Medicare Part D?
In 2024, Syed Z. Hasnain, MD had 2,423 Medicare Part D claims for 404 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.