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Edit this profileAt a glance
- 2170 South Ave, South Lake Tahoe, CA 96150
About Dr. Muscat
Listed in the NPI registry as a hospitalist, Marissa R. Muscat, MD practices in South Lake Tahoe, CA. Marissa graduated from Michigan State University College of Human Medicine in 2000. Marissa is also listed as specializing in family medicine. Medicare claims data shows Marissa provided 593 services to 443 patients. The services billed most often include subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, and hospital discharge day management, more than 30 minutes. NPI 1881690485 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
- (530) 541-3420
- Email not available
Is this your home address or personal number? Hide it
Practice Locations
2170 SOUTH AVE
South Lake Tahoe, CA 96150
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
Blood Clots
Blood Disorders
- Sickle Cell Pain Crisis
Brain & Nerves
Emergencies
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
Joint Procedures
Lung Procedures
Nutrition Support
- IV Nutrition For Preemies
Procedures Most Often Billed to Medicare
593 services · 443 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
99 | More often than most peers in Hospitalist |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
37 | More often than most peers in Hospitalist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
221 | More often than most peers in Hospitalist |
| Hospital discharge day management, more than 30 minutes | Office visit | 99239 |
69 | As often as other peers in Hospitalist |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
53 | Less often than most peers in Hospitalist |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
53 | More often than most peers in Hospitalist |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
37 | As often as other peers in Hospitalist |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
24 | Less often than most 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 Michigan State University College of Human Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2000 at Michigan State University College of Human Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 7 related providers in 1 group
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 7
Providers in CA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Muscat?
Dr. Muscat is a hospitalist in South Lake Tahoe, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Muscat's address?
Dr. Muscat is listed at 2170 South Ave, South Lake Tahoe, CA 96150. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Muscat?
The number on file is (530) 541-3420. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Muscat?
Dr. Muscat's National Provider Identifier is 1881690485. 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. Muscat train?
Dr. Muscat attended Michigan State University College of Human Medicine, graduating in 2000. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Muscat have?
Dr. Muscat has 26 years experience. Calculated from a graduation year of 2000, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Muscat perform?
According to Medicare billing data, Dr. Muscat provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and exercise or drug-induced heart stress test with electrocardiogram with review by physician, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Muscat's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Muscat. If this is you, claiming it is free.
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