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Edit this profileWhere to find Ronald R. Matuszak, M.D.
- Dublin location main office
4050 Dublin Blvd, Dublin, CA 94568 - Fremont location
2000 Mowry Ave, Fremont, CA 94538
About Dr. Matuszak
Listed in the NPI registry as a hospitalist, Ronald R. Matuszak, M.D. practices in Dublin, CA. Medicare claims data shows Ronald provided 247 services to 155 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and hospital discharge day management, more than 30 minutes. NPI 1932496791 identifies this record in the national registry.
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
- (925) 875-6100
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
4050 DUBLIN BLVD
Dublin, CA 94568
2000 Mowry Ave
Fremont, CA 94538
Conditions Commonly Evaluated or Treated
Within Hospital 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
Brain & nerves
- Delirium
- Alcohol withdrawal
- Fainting and syncope
- Meningitis
- Transient ischemic attack
Breathing & lungs
- COPD flare-up
- Community-acquired pneumonia
- Fluid around the lungs
- Severe asthma attack
Digestive health
- C. diff diarrhea
- Severe diverticulitis flare-up
- Stomach or intestinal bleeding
- Acute gallbladder inflammation
- Acute pancreatitis
- Ascites
- Bowel obstruction
Endocrine
- Dangerously High Calcium
General medical
- Hip fracture medical care
- Low sodium or electrolyte imbalance
- Post-surgery fever or infection
- Severe dehydration
- Short stature and growth concerns
Heart & Circulation
- A-Fib Flare-Up
- Heart Attack Inpatient Care
- Shock
Heart & circulation
- Heart failure flare-up
- Dangerous high blood pressure
- Deep vein thrombosis
- Severe anemia
- Supraventricular tachycardia
- Unexplained chest pain
Infections
- Complicated Bladder Infection
- Severe COVID-19 illness
- Severe flu illness
- Bone infection
- Cellulitis
- Flesh-Eating Infection
- Infective endocarditis
- Sepsis or blood infection
Liver & Digestive
- Severe Fecal Impaction
- Hepatic encephalopathy
- Sudden Liver Failure
Lung Infections
- Hospital-Acquired Pneumonia
- Severe Pneumonia
Nutrition
- Severe Malnutrition In Hospital
Allergic Reactions
- Severe Allergic Reaction
Blood Clots
Blood Disorders
- Sickle Cell Pain Crisis
Brain & Nerves
- Status epilepticus
Emergencies
- Drug overdose or poisoning
Hormones & diabetes
Kidney & urinary
- Acute kidney injury
- Kidney infection
Lungs & Breathing
Procedures & services
Access & tubes
- Feeding or stomach tube insertion
- Urinary catheter insertion
- Arterial catheter placement
- Central line placement
- PICC line placement coordination
Addiction Medicine
- Inpatient Opioid Withdrawal Induction
Breathing support
- BiPAP or CPAP therapy
- Breathing machine management
- Oxygen therapy
Critical Care
- Continuous IV Sedation Management
- Rapid Response Team Call
- CPR and defibrillation
Diagnostic procedures
- Hospital heart rhythm monitoring
- Swallowing safety evaluation coordination
- Emergency ultrasound
- Lumbar puncture
Emergency Care
- Blood Thinner Reversal
Heart Procedures
- Bedside Heart Ultrasound
- Electrical cardioversion
Hospital services
- Alcohol detox monitoring
- Comfort care transition
- Hospital admission
- Hospital discharge planning
- Hospital observation care
- Hospital wound and bed sore care
- Inpatient dialysis coordination
- Inpatient physical therapy evaluation
- Post-surgery hospital recovery care
- Pre-surgery medical clearance
- Rehab or nursing home placement evaluation
- Specialist consultation coordination
- Fall risk assessment
- Medication management
Kidney Care
- Inpatient Peritoneal Dialysis Care
Medication & fluids
- Blood thinner drip management
- IV antibiotic treatment
- IV electrolyte replacement
- Patient-Controlled Analgesia (PCA) Setup
- Blood sugar insulin drip
- Blood transfusion
- IV fluids
Mental Health
- Medical-Psychiatric Inpatient Evaluation
Neurological Care
- Continuous Neurological Checks
- Emergency Stroke Response
Rehabilitation
- Inpatient Occupational Therapy Evaluation
Urinary Care
- Continuous Bladder Irrigation
Airway & Breathing
- Emergency intubation
- Tracheostomy care
Diagnostic Testing
- Blood Culture Workup
Draining fluids
- Draining lung fluid
- Paracentesis
Joint Procedures
Lung Procedures
- Chest tube insertion
Nutrition Support
- IV Nutrition For Preemies
Procedures Most Often Billed to Medicare
247 services · 155 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
140 | As often as other peers in Hospitalist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
55 | As often as other peers in Hospitalist |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
52 | As often as other peers in Hospitalist |
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.
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.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 2011 at Other 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Ronald R. Matuszak's specialty?
Ronald R. Matuszak is a hospitalist in Dublin, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Ronald R. Matuszak?
Ronald R. Matuszak is listed at 4050 Dublin Blvd, Dublin, CA 94568. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Ronald R. Matuszak?
The number on file is (925) 875-6100. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ronald R. Matuszak?
Ronald R. Matuszak's National Provider Identifier is 1932496791. 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
What is Ronald R. Matuszak's education?
Ronald R. Matuszak attended Other, graduating in 2011. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ronald R. Matuszak have?
Ronald R. Matuszak has 15 years experience. Calculated from a graduation year of 2011, reported in the CMS National Downloadable File.
CMS public data
What is Ronald R. Matuszak known for?
According to Medicare billing data, Ronald R. Matuszak the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Ronald R. Matuszak's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ronald R. Matuszak. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.