Where to find Mary Margaret Lewis, MD
- Richmond location main office
1213 E Clay St, Richmond, VA 23298 - Washington location
110 Irving St NW, Rm 4B42, Washington, DC 20010 - Bethesda location
8600 Old Georgetown Rd, Bethesda, MD 20814 - Falls Church location
500 W Annandale Rd, Falls Church, VA 22046 - South Hill location
1755 N Mecklenburg Ave, South Hill, VA 23970
About Dr. Lewis
Based in Richmond, VA, Mary Margaret Lewis, MD is listed in the NPI registry under critical care (intensivists). Mary Margaret graduated from Georgetown University School of Medicine in 1995. Mary Margaret is also listed as specializing in critical care medicine, pulmonary disease, and sleep medicine. According to Medicare claims data, Mary Margaret cared for 93 Medicare patients across 124 services. The services billed most often include critical care, first 30-74 minutes, subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes, and critical care, each additional 30 minutes. NPI 1487645750 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
- (804) 828-9071
- Email not available
Practice Locations
1213 E CLAY ST
Richmond, VA 23298
110 Irving St NW Rm 4B42
Washington, DC 20010
8600 Old Georgetown Rd
Bethesda, MD 20814
500 W Annandale Rd
Falls Church, VA 22046
1755 N Mecklenburg Ave
South Hill, VA 23970
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
124 services · 93 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Critical care, first 30-74 minutes | Office visit | 99291 |
59 | Less often than most peers in Critical Care (Intensivists) |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
34 | Less often than most peers in Critical Care (Intensivists) |
| Critical care, each additional 30 minutes | Office visit | 99292 |
31 | As often as other 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.
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 Richmond 8
Same specialty, same city.
Trained at Georgetown University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 7 related providers in 1 group
Class of 1995 at Georgetown University School of Medicine 7
Providers who graduated from the same medical school in the same year.
Common questions
What kind of doctor is Dr. Lewis?
Dr. Lewis is a critical care (intensivists) in Richmond, VA. That is the designation recorded for this NPI in the federal registry.
NPI registry
What is Dr. Lewis's address?
Dr. Lewis is listed at 1213 E Clay St, Richmond, VA 23298. 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. Lewis?
The number on file is (804) 828-9071. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Dr. Lewis's NPI number?
Dr. Lewis's National Provider Identifier is 1487645750. 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. Lewis train?
Dr. Lewis attended Georgetown University School of Medicine, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Lewis been practicing?
Dr. Lewis has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Lewis perform?
According to Medicare billing data, Dr. Lewis 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
Has Dr. Lewis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Lewis. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.