NPI age
12 years
Enumerated 2013-06-19
● Active
Type 1 · Individual
Syed Azhar Hassan, MD
Hassan is 1 of 6 internal medicine providers in Harlingen and 1 of 935 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, MI
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-07-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 935 active internal medicine providers in Texas.
NPI age
12 years
↓ 6 yr below median (18 yr)
State licenses
2 states
Top 84% — 15% of peers are multi-state
Subspecialties
1
In the 38% of peers with subspecialties
NPI lifetime · 2013 → 2026
2013-06Enumerated in NPPES
2013
2026
Where they practice
Practice location
620 N Ed Carey Dr
Harlingen, TX 785507912
Mailing address
620 N Ed Carey Dr
Harlingen, TX 785507912
Additional practice locations
1 secondary location on file with NPPES.
Location 2
3761 Ruben M Torres SR Blvd
Brownsville, TX 78526
Specialties
-
Internal Medicine PrimaryAn internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary...
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 935 Internal Medicine providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
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.