NPI age
20 years
Enumerated 2006-01-24
● Active
Type 1 · Individual
DR. Washington Fitzgerald Sereatan, M.D.
Sereatan is 1 of 294 internal medicine providers in Houston and 1 of 1582 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-07-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1582 active internal medicine providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
14% of peers hold multiple states
Subspecialties
0
34% of peers hold subspecialties
NPI lifetime · 2006 → 2026
2006-01Enumerated in NPPES
2006
2026
Where they practice
Practice location
2525 North Loop W Ste 600
Houston, TX 770081094
Mailing address
2525 North Loop W Ste 600
Houston, TX 770081094
Additional practice locations
1 secondary location on file with NPPES.
Location 2
915 Gessner Rd, #360
Houston, TX 770242527
Specialties
-
Internal Medicine PrimaryAn internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
Practice context
Part of a multi-provider practice. 4 other active providers share this practice address in NPPES.
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- 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.