Physician Profile
Unclaimed ProfileAbout DAVIS
Marcus Lonnell Davis, MD is a healthcare provider in Washington, DC specialising in emergency medicine. Marcus trained at Columbia University College of Physicians and Surgeons, graduating in 2014. Marcus is also listed as specialising in family medicine.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Common questions
What is Dr. Davis's specialty?
Dr. Davis is an emergency medicine in Washington, DC. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “EMERGENCY MEDICINE”.
NPI registry
Where can I find Dr. Davis?
Dr. Davis is listed at 1101 15TH ST NW, Washington, DC 20005. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Davis?
The number on file is (202) 798-0100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Davis's NPI number?
Dr. Davis's National Provider Identifier is 1962813840. 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 Dr. Davis's medical education?
Dr. Davis attended Columbia University College of Physicians and Surgeons, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Davis been practising?
Dr. Davis has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Davis known for?
According to Medicare billing data, Dr. Davis performs imaging including x-ray of chest, 2 views; provides treatments such as injection of drug or substance under skin or into muscle and routine electrocardiogram using at least 12 leads with interpretation and report, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Davis confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Davis. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (202) 798-0100
- Email not available
Practice Locations
1101 15TH ST NW
Washington, DC 20005
Procedures Most Often Billed to Medicare
765 services · 656 patients · 23 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| X-ray of chest, 2 views | Imaging | 71046 |
14 |
| Injection of drug or substance under skin or into muscle | Treatment | 96372 |
32 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
13 |
| Sarscov2 vac 50 mcg/0.5ml im | Treatment | 91322 |
11 |
| Admn sarscov2 vacc 1 dose | Treatment | 90480 |
11 |
| Injection, ketorolac tromethamine, per 15 mg | Drug given | J1885 |
33 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
144 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
89 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
69 |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
66 |
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 emergency medicines in Washington 8
Same specialty, same city.
Trained at Columbia University College of Physicians and Surgeons 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2014 at Columbia University College of Physicians and Surgeons 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 2 views 8
Providers in DC who bill this service to Medicare most often.
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.