Physician Profile
Unclaimed ProfileAbout MARSTON
Based in Baton Rouge, LA, John Clifton Marston, MD is listed in the NPI registry under internal medicine. John graduated from University of Alabama School of Medicine in 2018. Medicare claims data shows John provided 1,241 services to 970 patients.
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
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (225) 757-4070
- Email not available
Practice Locations
5246 BRITTANY DR
Baton Rouge, LA 70808
Procedures Most Often Billed to Medicare
1,241 services · 970 patients · 22 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
133 |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
26 |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
13 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
296 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
118 |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
73 |
| Hemoglobin a1c level | Lab test | 83036 |
67 |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
64 |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
60 |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
60 |
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 internal medicines at this location 2
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 internal medicines in Baton Rouge 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at University of Alabama School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2018 at University of Alabama School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Insertion of needle into vein for collection of blood sample 8
Providers in LA who bill this service to Medicare most often.
Common questions
What is Dr. Marston's specialty?
Dr. Marston is an internal medicine in Baton Rouge, LA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “INTERNAL MEDICINE”.
NPI registry
Where can I find Dr. Marston?
Dr. Marston is listed at 5246 BRITTANY DR, Baton Rouge, LA 70808. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Marston?
The number on file is (225) 757-4070. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Marston?
Dr. Marston's National Provider Identifier is 1093219701. 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. Marston's medical education?
Dr. Marston attended University of Alabama School of Medicine, graduating in 2018. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Marston have?
Dr. Marston has 8 years experience. Calculated from a graduation year of 2018, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Marston known for?
According to Medicare billing data, Dr. Marston performs procedures including insertion of needle into vein for collection of blood sample; provides treatments such as influenza vaccine split virus, preservative free 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
Is Dr. Marston's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marston. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.