NPI age
19 years
Enumerated 2006-11-07
● Active
Type 1 · Individual
MR. Syed W. Hasan, MD
Hasan is 1 of 198 internal medicine providers in Houston and 1 of 920 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, PA
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-04-20
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 920 active internal medicine providers in Texas.
NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
2 states
Top 83% — 16% of peers are multi-state
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-11Enumerated in NPPES
2006
2026
Where they practice
Practice location
11914 Astoria Blvd Ste 125
Houston, TX 770896073
Mailing address
Po Box 58538
Webster, TX 775988538
Additional practice locations
7 secondary locations on file with NPPES.
Location 2
905 W Medical Center Blvd Ste 306
Webster, TX 775984009
Location 3
600 N Kobayashi Ste 310
Webster, TX 775984841
Location 4
21216 Northwest Fwy Ste 400
Cypress, TX 774294696
Location 5
600 N Kobayashi Ste 110
Webster, TX 775984841
Location 6
14100 Southwest Fwy Ste 500
Sugar Land, TX 774783483
Location 7
600 N Kobayashi Ste 309
Webster, TX 775984841
Location 8
500 N Kobayashi Ste C
Webster, TX 775984722
Specialties
-
Internal Medicine PrimaryAn internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (PA) | 101927790 | |
| 01 (PA) | 082109 | MEDICARE PTAN/GROUP NUMBER |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 5 other active providers share this practice address in NPPES.
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Request a quote →How to verify this provider
- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.