NPI age
19 years
Enumerated 2007-04-18
● Active
Type 1 · Individual
Heather Ann Kleczewski, MD
Kleczewski is 1 of 33 pediatrics providers in San Antonio and 1 of 223 in Texas.
Primary specialty
Pediatrics
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-03-16
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 223 active pediatrics providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
39% of peers hold multiple states
Subspecialties
0
75% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-04Enumerated in NPPES
2007
2026
Where they practice
Practice location
333 N Santa Rosa
San Antonio, TX 782073108
Mailing address
333 N Santa Rosa St
Dallas, TX 752845347
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
5323 Harry Hines Blvd
Dallas, TX 753907201
Location 3
1434 E Sonterra Blvd Ste 100
San Antonio, TX 782584971
Specialties
-
Pediatrics PrimaryA pediatrician who has special qualifications to manage emergencies in infants and children.
Practice context
Part of a multi-provider practice. 246 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.
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