Physician Profile
Marissa Lewis, M.D.
Unclaimed ProfileAbout Dr. Lewis
Marissa Lewis, M.D. practices emergency medicine in Saint Louis, MO. Marissa is a 2016 graduate of Medical College of Wisconsin. According to Medicare claims data, Marissa cared for 469 Medicare patients across 4,894 services. The services billed most often include measurement of brain wave activity (eeg), awake and drowsy, exam of neurobehavioral status, first hour, and biofeedback training.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it — free, and no identity document with a practice or institutional email.
Education & Training
Specialty
Credentials & Licensing
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (314) 747-4156
- Email not available
Practice Locations
660 S EUCLID AVE
Saint Louis, MO 63110
Conditions Commonly Evaluated or Treated
Within Emergency 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
Abdomen & Digestion
Allergy & Immune
Allergy & Immunology
Bites & Stings
Blood & Circulation
Brain & Nerves
- Delirium
- Fainting and syncope
- Seizure in Child
- Severe headache or sudden migraine
- Status epilepticus
- Stroke
- Transient ischemic attack
Breathing
Digestion & Stomach
Ear, Nose & Throat
Endocrine & Metabolic
Environmental
Eye Care
Eye Emergency
General Emergency
Heart & Chest
Heart & Circulation
Heart & Lungs
Infections & Illness
Injuries & Trauma
- Animal or dog bite
- Bone fractures
- Deep cut or wound
- Dislocated joint
- Severe burn
- Sprains and muscle strains
- Traumatic brain injury
Lungs & Breathing
Men's Health
Poisoning & Environmental
Poisoning & Toxins
Skin & Infections
Spine & Back
Urinary & Bladder
Urinary & Kidney
Women's Health
Procedures & services
Abdominal Procedures
Airway & Breathing
Anesthesia & Sedation
Breathing & Airway
Critical Care
Diagnostics
Digestive Care
Ear, Nose & Throat
Eye & ENT
Eye Care
Heart & Diagnostics
Heart Care
Imaging & Diagnostics
Injections & Vaccines
Kidney Care
Lung & Respiratory
Medications
Mental Health
Minor Procedures
- Fishhook or embedded splinter removal
- Incision and drainage of an abscess
- Nasal cautery for nosebleeds
- Tick Removal
- Urinary catheter insertion
Minor Trauma
Orthopedic Procedures
Orthopedics
Poisoning & Toxicology
Specialized Care
Stroke & Vascular
Supportive Care
Toxicology
Women's Health
Wound Care
Procedures Most Often Billed to Medicare
4,894 services · 469 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Measurement of brain wave activity (eeg), awake and drowsy | Treatment | 95816 |
1,126 | Too few peers to compare |
| Exam of neurobehavioral status, first hour | Treatment | 96116 |
1,122 | Too few peers to compare |
| Biofeedback training | Treatment | 90901 |
1,120 | Too few peers to compare |
| Electrocardiogram (ecg) 1 to 3 leads with review by physician only | Treatment | 93042 |
40 | As often as other peers in Emergency Medicine |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
1,108 | More than most peers in Emergency Medicine |
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
243 | More often than most peers in Emergency Medicine |
| Critical care, first 30-74 minutes | Office visit | 99291 |
104 | More often than most peers in Emergency Medicine |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
31 | Less often than most peers in Emergency Medicine |
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.
Related specialists at this location 3
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 emergency physicians in Saint Louis 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Medical College of Wisconsin 8
Other providers in the same specialty who trained at the same institution.
Class of 2016 at Medical College of Wisconsin 8
Providers who graduated from the same medical school in the same year.
Also performs Measurement of brain wave activity (eeg), awake and drowsy 8
Providers in MO who bill this service to Medicare most often.
Common questions
What does Marissa Lewis specialize in?
Marissa Lewis is an emergency physician in Saint Louis, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Emergency Medicine”.
NPI registry
Where is Marissa Lewis located?
Marissa Lewis is listed at 660 S Euclid Ave, Saint Louis, MO 63110. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Marissa Lewis's phone number?
The number on file is (314) 747-4156. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Marissa Lewis's NPI number?
Marissa Lewis's National Provider Identifier is 1164874822. 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 Marissa Lewis train?
Marissa Lewis attended Medical College of Wisconsin, graduating in 2016. This comes from the CMS National Downloadable File.
CMS public data
How long has Marissa Lewis been practicing?
Marissa Lewis has 10 years experience. Calculated from a graduation year of 2016, reported in the CMS National Downloadable File.
CMS public data
What does Marissa Lewis do most often?
According to Medicare billing data, Marissa Lewis provides treatments such as measurement of brain wave activity , awake and drowsy and exam of neurobehavioral status, first hour, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Marissa Lewis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Marissa Lewis. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.