Physician Profile
Joseph M. Zasik, DO
Unclaimed ProfileAbout Dr. Zasik
Joseph M. Zasik, DO practices critical care (intensivists) in Tyler, TX. Joseph is a 1977 graduate of Philadelphia College of Osteopathic Medicine. Joseph is also listed as specializing in critical care medicine and pulmonary disease. According to Medicare claims data, Joseph cared for 1,431 Medicare patients across 1,674 services. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, test to examine how well the lungs exchange gases, and test to determine lung volumes using sensors. The provider's National Provider Identifier (NPI) is 1255380028.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (903) 606-2299
- Email not available
Practice Locations
619 S FLEISHEL AVE
Tyler, TX 75701
800 E Dawson St
Tyler, TX 75701
18780 Interstate 20
Canton, TX 75103
2026 S Jackson St
Jacksonville, TX 75766
Conditions Commonly Evaluated or Treated
Within Critical Care Medicine generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Blood & metabolism
Brain & nerve
Brain & Nervous System
- Brain Swelling
- Fainting and syncope
- ICU Delirium and Confusion
- Ischemic stroke
- Status epilepticus
- Traumatic brain injury
Breathing & Lungs
Digestive emergencies
Environmental emergencies
Heart & Circulation
Heart & vascular
Infection & Sepsis
Infections
Injury & trauma
Lung & breathing
Medication reactions
Metabolic Emergencies
Muscle & kidney
Organ Failure
Pregnancy emergencies
Recovery
Substance emergencies
Toxicity & Trauma
Procedures & services
Airway & Breathing
- Airway Scope and Suctioning
- Breathing machine management
- Chest tube insertion
- Emergency intubation
- Tracheostomy
Airway procedures
Brain procedures
Breathing support
Consultation & Recovery
Digestive procedures
Emergency surgery
Fluid Drainage
Heart procedures
Heart support
ICU recovery
Lab tests & monitoring
Life Support
- Cardioversion for rapid heartbeat
- CPR and defibrillation
- ECMO (Heart-Lung Machine)
- Stomach Positioning for Lung Failure
- Targeted Body Cooling
- Temporary Pacemaker Placement
- Ventilator Support
Medication therapies
Medications & Infusions
Monitoring
- Bladder and Belly Pressure Check
- Brain Blood Flow Ultrasound
- Brain Pressure Monitor Placement
- Continuous Brain Wave Monitoring
- Emergency ultrasound
- Heart Pressure Catheter Monitoring
- Lumbar puncture
Nutrition & Digestion
Nutrition support
Organ Support
Vascular Access
Procedures Most Often Billed to Medicare
1,674 services · 1,431 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
21 | As often as other peers in Critical Care (Intensivists) |
| Test to examine how well the lungs exchange gases | Treatment | 94729 |
157 | More often than most peers in Critical Care (Intensivists) |
| Test to determine lung volumes using sensors | Treatment | 94726 |
157 | More often than most peers in Critical Care (Intensivists) |
| Test to measure expiratory airflow and volume changes before and after medication administration | Treatment | 94060 |
154 | More than most peers in Critical Care (Intensivists) |
| Test for exercise-induced lung stress | Treatment | 94618 |
79 | More often than most peers in Critical Care (Intensivists) |
| Test to measure expiratory airflow and volume | Treatment | 94010 |
19 | Less often than most peers in Critical Care (Intensivists) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
371 | More than most peers in Critical Care (Intensivists) |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
154 | More often than most peers in Critical Care (Intensivists) |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
143 | More than most peers in Critical Care (Intensivists) |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
126 | More than most peers in Critical Care (Intensivists) |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Other critical cares at this location 1
Same specialty, same street address — most likely the same department or group.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other critical cares in Tyler 8
Same specialty, same city.
More connections — 18 related providers in 3 groups
Trained at Philadelphia College of Osteopathic Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1977 at Philadelphia College of Osteopathic Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 2
Providers in TX who bill this service to Medicare most often.
Common questions
What does Dr. Zasik specialize in?
Dr. Zasik is a critical care (intensivists) in Tyler, TX. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Dr. Zasik located?
Dr. Zasik is listed at 619 S Fleishel Ave, Tyler, TX 75701. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Zasik's phone number?
The number on file is (903) 606-2299. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Zasik's NPI number?
Dr. Zasik's National Provider Identifier is 1255380028. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Zasik go to medical school?
Dr. Zasik attended Philadelphia College of Osteopathic Medicine, graduating in 1977. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Zasik been practicing?
Dr. Zasik has 49 years experience. Calculated from a graduation year of 1977, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Zasik do most often?
According to Medicare billing data, Dr. Zasik performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as test to examine how well the lungs exchange gases and test to determine lung volumes using sensors, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Zasik confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Zasik. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.