Joseph Zasik, DO
NPI 1255380028 · Critical Care Medicine (Internal Medicine) Physician · Tyler, TX
Enrolled with Medicare as Practitioner - Critical Care (intensivists) · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Joseph Zasik, DO is a Critical Care Medicine (Internal Medicine) Physician provider in Tyler, TX (NPI 1255380028).
Provider details
- NPI number
- 1255380028
- Entity type
- Individual
- Primary specialty
- Critical Care Medicine (Internal Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- No
- License
- G4072 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
4 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,674 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. 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 .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 371 | $95 |
| Test to Determine Lung Volumes Using Sensors94726 | 157 | $12 |
| Test to Examine How Well the Lungs Exchange Gases94729 | 157 | $9 |
| Test to Measure Expiratory Airflow and Volume Changes Before and After Medication Administration94060 | 154 | $10 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 154 | $64 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 53 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Fluticasone/Umeclidin/Vilanterbrand: Trelegy Ellipta | 1,263 | 250 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 775 | 259 |
| Montelukast Sodium | 704 | 203 |
| Prednisone | 436 | 248 |
| Azithromycin | 429 | 230 |
| Budesonide/Glycopyr/Formoterolbrand: Breztri Aerosphere | 198 | 64 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$526 across 21 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (3)
- 18780 Interstate 20Canton, TX 75103-3593Phone: (903) 567-4841
- 2026 S Jackson StJacksonville, TX 75766-5822Phone: (903) 586-5678
- 800 E Dawson StTyler, TX 75701-2036Phone: (903) 525-1914
Registry dates
- Enumerated
- 2006-05-09
- Last updated
- 2023-02-03
- Certified
- 2023-02-03
Frequently asked questions
- What is Joseph Zasik's NPI number?
- Joseph Zasik's National Provider Identifier (NPI) is 1255380028, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Joseph Zasik's specialty?
- Joseph Zasik is listed in the NPPES registry with a primary specialty of Critical Care Medicine (Internal Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Joseph Zasik located?
- Joseph Zasik's practice location on file with NPPES is 619 S Fleishel Ave, Tyler, TX 75701-2004.
- What is Joseph Zasik's phone number?
- The practice phone number listed in the NPPES registry for Joseph Zasik is (903) 606-2299.
- Does Joseph Zasik accept Medicare?
- Joseph Zasik is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Joseph Zasik's NPI active?
- Yes — Joseph Zasik's NPI (1255380028) is active in the NPPES registry as of the last update on 2023-02-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.