Physician Profile
Marlene Williams, M.D.
Unclaimed ProfileAbout Dr. Williams
Based in Baltimore, MD, Marlene Williams, M.D. is listed in the NPI registry under cardiovascular disease. Medicare claims data shows Marlene provided 3,470 services to 2,189 patients. The services billed most often include routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only, ultrasound of heart with color-depicted blood flow, rate, direction and valve function, and critical care, first 30-74 minutes.
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
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (410) 550-4642
- Email not available
Practice Locations
4940 EASTERN AVE
Baltimore, MD 21224
Conditions Commonly Evaluated or Treated
Within Cardiovascular Disease 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
Most searched conditions
Coronary and ischemic heart disease
Heart failure and cardiomyopathy
Heart rhythm
Symptoms and functional disorders
Valve and structural heart
Vascular and risk factors
Artery & vascular
Heart inflammation
Heart muscle
Heart valves
Vascular disease
Procedures & services
Most searched procedures
Office and noninvasive testing
Advanced imaging
Consultations
Diagnostic testing
Diagnostics
Heart devices
- Biventricular Pacemaker (Cardiac Resynchronization Therapy)
- Implantable Loop Recorder (Cardiac Monitor Implant)
Heart imaging
Heart procedures
Heart rhythm procedures
Imaging
Implants
Recovery & rehabilitation
Vascular imaging
Procedures Most Often Billed to Medicare
3,470 services · 2,189 patients · 21 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only | Treatment | 93010 |
2,051 |
| Ultrasound of heart with color-depicted blood flow, rate, direction and valve function | Treatment | 93306 |
357 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician | Treatment | 93018 |
54 |
| Ultrasound of heart, follow-up | Treatment | 93308 |
49 |
| Ultrasound of heart blood flow, valves and chambers, follow-up | Treatment | 93321 |
44 |
| Ultrasound of heart with color-depicted blood flow, rate and valve function | Treatment | 93325 |
43 |
| Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days | Treatment | 93244 |
42 |
| Ultrasound of heart during rest, exercise and/or drug-induced stress with report | Treatment | 93350 |
38 |
| Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician | Treatment | 93016 |
38 |
| Ultrasound of heart with probe in esophagus, with report | Treatment | 93312 |
17 |
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.
Other cardiologists at this location 1
Same specialty, same street address — most likely the same department or group.
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 cardiologists in Baltimore 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1992 at Other 8
Providers who graduated from the same medical school in the same year.
Also performs Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 7
Providers in MD who bill this service to Medicare most often.
Common questions
What kind of doctor is Marlene Williams?
Marlene Williams is a cardiologist in Baltimore, MD. That is the designation recorded for this NPI in the federal registry, where it is listed as “Cardiovascular Disease”.
NPI registry
What is Marlene Williams's address?
Marlene Williams is listed at 4940 Eastern Ave, Baltimore, MD 21224. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Marlene Williams?
The number on file is (410) 550-4642. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Marlene Williams?
Marlene Williams's National Provider Identifier is 1164450599. 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 Marlene Williams train?
Marlene Williams attended Other, graduating in 1992. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Marlene Williams have?
Marlene Williams has 34 years experience. Calculated from a graduation year of 1992, reported in the CMS National Downloadable File.
CMS public data
What procedures does Marlene Williams perform?
According to Medicare billing data, Marlene Williams provides treatments such as routine electrocardiogram using at least 12 leads with interpretation and report only and ultrasound of heart with color-depicted blood flow, rate, direction and valve function, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Marlene Williams's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Marlene Williams. 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.