NPI age
16 years
Enumerated 2009-06-01
● Active
Type 1 · Individual
MR. Thomas Wayne Hysler JR., M.D.
Hysler is 1 of 6 preventive medicine providers in Pasadena and 1 of 204 in Texas.
Primary specialty
Preventive Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2014-03-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 204 active preventive medicine providers in Texas.
NPI age
16 years
↓ 2 yr below median (18 yr)
State licenses
1 state
11% of peers hold multiple states
Subspecialties
0
35% of peers hold subspecialties
NPI lifetime · 2009 → 2026
2009-06Enumerated in NPPES
2009
2026
Where they practice
Practice location
5213 Center Street
Pasadena, TX 77505
Mailing address
5213 Center Street
Pasadena, TX 77505
Specialties
-
Preventive Medicine PrimaryOccupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures....
Practice context
Solo or small practice. No 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.