Heather Kleczewski, MD
NPI 1679799423 · Pediatric Emergency Medicine (Pediatrics) Physician · San Antonio, TX
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Heather Kleczewski, MD is a Pediatric Emergency Medicine (Pediatrics) Physician provider in San Antonio, TX (NPI 1679799423).
Provider details
- NPI number
- 1679799423
- Entity type
- Individual
- Primary specialty
- Pediatric Emergency Medicine (Pediatrics) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- N6426 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 5323 Harry Hines BlvdDallas, TX 75390-7201Phone: (214) 456-0771Fax: (214) 456-8132
- 1434 E Sonterra Blvd Ste 100San Antonio, TX 78258-4971Phone: (210) 704-4708
Registry dates
- Enumerated
- 2007-04-18
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Heather Kleczewski's NPI number?
- Heather Kleczewski's National Provider Identifier (NPI) is 1679799423, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Heather Kleczewski's specialty?
- Heather Kleczewski is listed in the NPPES registry with a primary specialty of Pediatric Emergency Medicine (Pediatrics) Physician (Allopathic & Osteopathic Physicians).
- Where is Heather Kleczewski located?
- Heather Kleczewski's practice location on file with NPPES is 333 N Santa Rosa, San Antonio, TX 78207-3108.
- What is Heather Kleczewski's phone number?
- The practice phone number listed in the NPPES registry for Heather Kleczewski is (210) 704-3030.
- Does Heather Kleczewski accept Medicare?
- Heather Kleczewski is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Heather Kleczewski's NPI active?
- Yes — Heather Kleczewski's NPI (1679799423) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.