Doctor profile · Federal record
Dr. Joseph Zasik, DO
Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Pulmonary Disease Physician · Tyler, TX
- NPI 1255380028
- Accepts Medicare
- 49 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 4 locations .
- Primary practice
-
619 S Fleishel Ave
Tyler, TX 757012004
(903) 606-2299 - Additional location
-
18780 Interstate 20
Canton, TX 751033593
(903) 567-4841 - Additional location
-
2026 S Jackson St
Jacksonville, TX 757665822
(903) 586-5678 - Additional location
-
800 E Dawson St
Tyler, TX 757012036
(903) 525-1914 - Mailing address
-
Po Box 846098
Dallas, TX 752846098
Show 1 more location
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- February 3, 2023
- Year of graduation
- 1977 — 49 yrs since
- Specialty taxonomy
- 207RC0200X — NUCC code
- State licenses (2)
- Texas #G4072 · Pennsylvania #OS004057L
- Medicaid
- PA #0010727100003
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255380028. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,963
Distinct HCPCS
10
Medicare allowed
$132,649
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 394 | 252 | $94 | |
94729 |
Test to examine how well the lungs exchange gases | 251 | 244 | $9 | |
94726 |
Test to determine lung volumes using sensors | 248 | 241 | $12 | |
94060 |
Test to measure expiratory airflow and volume changes before and after medication administration | 245 | 238 | $10 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 202 | 163 | $139 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 131 | 112 | $64 | |
94618 |
Test for exercise-induced lung stress | 102 | 98 | $22 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 93 | 71 | $124 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 81 | 81 | $128 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 44 | 34 | $175 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 91. This provider delivers 22× the peer median.Open Payments
Industry payments received
All-time total
$526
Transactions
21
Manufacturers
12
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 2 | $148.81 | |
| GlaxoSmithKline, LLC. | 5 | $87.16 | |
| United Therapeutics Corporation | 3 | $78.39 | |
| GENZYME CORPORATION | 2 | $48.54 | |
| Grifols USA, LLC | 2 | $37.32 | |
| Merck Sharp & Dohme LLC | 1 | $23.23 | |
| INOGEN, INC. | 1 | $19.95 | |
| Baxter Healthcare | 1 | $19.85 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $18.63 | |
| Insmed, Inc. | 1 | $14.88 | |
| Amgen Inc. | 1 | $14.76 | |
| Actelion Pharmaceuticals US, Inc. | 1 | $14.37 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
4,548
Patients
1,449
Total drug cost
$1,482,992
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Trelegy Ellipta (Fluticasone/Umeclidin/Vilanter) | Brand | 1,022 | 228 | $840,046 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 680 | 239 | $26,981 |
| Montelukast Sodium | Generic | 590 | 161 | $7,598 |
| Azithromycin | Generic | 485 | 240 | $8,824 |
| Prednisone | Generic | 431 | 235 | $1,363 |
| Symbicort (Budesonide/Formoterol Fumarate) | Brand | 195 | 46 | $111,139 |
| Spiriva Respimat (Tiotropium Bromide) | Brand | 178 | 37 | $114,865 |
| Breo Ellipta (Fluticasone/Vilanterol) | Brand | 169 | 42 | $88,756 |
| Pantoprazole Sodium | Generic | 163 | 46 | $2,598 |
| Mycophenolate Mofetil | Generic | 138 | 28 | $22,548 |
Frequently asked questions
What is Dr. Joseph Zasik's medical specialty?
Dr. Joseph Zasik practices Critical Care Medicine (Internal Medicine) Physician in Tyler, TX.
Where does Dr. Joseph Zasik practice?
Dr. Joseph Zasik practices at 619 S Fleishel Ave, Tyler, TX 757012004. Office phone: 9036062299.
What is Dr. Joseph Zasik's NPI?
Dr. Joseph Zasik's National Provider Identifier (NPI) is 1255380028, issued by NPPES.
Does Dr. Joseph Zasik accept Medicare assignment?
Yes. Dr. Joseph Zasik accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Joseph Zasik commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Test to examine how well the lungs exchange gases (HCPCS 94729); Test to determine lung volumes using sensors (HCPCS 94726). Source: CMS Medicare Physician & Other Practitioners file.