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Edit this profileWhere to find John C. Marston, MD
- Baton Rouge location main office
5246 Brittany Dr, Baton Rouge, LA 70808 - Baton Rouge location
7373 Perkins Rd, Baton Rouge, LA 70808
About Dr. Marston
Based in Baton Rouge, LA, John C. 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. The services billed most often include established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more, insertion of needle into vein for collection of blood sample, and 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'. NPI 1093219701 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
- (225) 757-4070
- Email not available
Practice Locations
5246 BRITTANY DR
Baton Rouge, LA 70808
7373 Perkins Rd
Baton Rouge, LA 70808
Conditions Commonly Evaluated or Treated
Within Internal 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
Most searched conditions
- Allergies
- Diabetes
- Flu
- Hypothyroidism
- Strep throat
- UTI
Cardiometabolic
Digestive and liver
Endocrine, blood, and bone
Infectious disease
Kidney and urinary
Respiratory
Blood & Circulation
Blood disorders
Brain & Nerves
Brain and nerves
Cardiac and vascular
Digestive
Heart & Circulation
Infections
Kidney & Bladder
Lungs & Breathing
Mental Health
Neurologic and behavioral
Pain
Rheumatologic and pain
Procedures & services
Most searched procedures
- Annual physical
- Blood test
- Flu shot
- Medicare wellness visit
- Sick visit
- TB test
- Well-woman exam
Preventive and evaluation
- Medication management
- Post-hospital transitional care
Screening and diagnostic testing
Bones & Joints
Brain and nerves
Cancer screening
- Colon Cancer Screening Referral
- Mammogram Referral
Digestive
Exams & Consultations
Heart & Circulation
Heart health
- Cardiac Stress Test Referral
Imaging referral
- Abdominal Ultrasound Referral
Immunizations
Lab tests
Lungs & Breathing
- At-Home Sleep Study Order
Metabolic & Weight
- Weight Loss Injections and Medication
Minor procedures
Office procedures
Office Procedures
- Skin Tag and Mole Removal
- Vitamin B12 Injections
- Wart Removal
Pain management
Preventive & Routine Care
Screenings & Diagnostics
Sexual health
- STI Testing
Procedures Most Often Billed to Medicare
1,241 services · 970 patients · 22 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Insertion of needle into vein for collection of blood sample | Procedure | 36415 |
133 | As often as other peers in Internal Medicine |
| Influenza vaccine split virus, preservative free | Treatment | 90662 |
26 | Less often than most peers in Internal Medicine |
| Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | Treatment | 93000 |
13 | Less often than most peers in Internal Medicine |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
296 | More often than most peers in Internal Medicine |
| 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 | As often as other peers in Internal Medicine |
| Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count | Lab test | 85025 |
73 | Less often than most peers in Internal Medicine |
| Hemoglobin a1c level | Lab test | 83036 |
67 | As often as other peers in Internal Medicine |
| Blood test, lipids (cholesterol and triglycerides) | Lab test | 80061 |
64 | Less often than most peers in Internal Medicine |
| Manual urinalysis test with examination using microscope, automated | Lab test | 81001 |
60 | As often as other peers in Internal Medicine |
| Blood test, comprehensive group of blood chemicals | Lab test | 80053 |
60 | Less often than most peers in Internal 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.
Other internists at this location 3
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 internists in Baton Rouge 8
Same specialty, same city.
More connections — 23 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 7
Providers in LA who bill this service to Medicare most often.
Common questions
What is Dr. Marston's specialty?
Dr. Marston is an internist in Baton Rouge, LA. That is the designation recorded for this NPI in the federal registry, where it is listed 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. Contact the office directly to confirm availability and scheduling.
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.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.