IndividualActive
Walter Zawislak, MD
NPI 1992787568 · Emergency Medicine Physician · Mission, TX
Walter Zawislak, MD is a Emergency Medicine Physician provider in Mission, TX (NPI 1992787568).
Provider details
- NPI number
- 1992787568
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- K8596 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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
900 S Bryan Rd
Mission, TX 78572-6613
Phone: (956) 580-9000
Street-level locationGet directions
Mailing address
3601 N Bicentennial Blvd
Mcallen, TX 78501-3804
Registry dates
- Enumerated
- 2005-11-18
- Last updated
- 2007-07-08
Frequently asked questions
- What is Walter Zawislak's NPI number?
- Walter Zawislak's National Provider Identifier (NPI) is 1992787568, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Walter Zawislak's specialty?
- Walter Zawislak is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Walter Zawislak located?
- Walter Zawislak's practice location on file with NPPES is 900 S Bryan Rd, Mission, TX 78572-6613.
- What is Walter Zawislak's phone number?
- The practice phone number listed in the NPPES registry for Walter Zawislak is (956) 580-9000.
- Is Walter Zawislak's NPI active?
- Yes — Walter Zawislak's NPI (1992787568) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.