Physician Profile
Unclaimed ProfileAbout MARKS
Based in Alabaster, AL, Robert D Marks, M.D. is listed in the NPI registry under gastroenterology. Robert graduated from Meharry Medical College School of Medicine in 1986.
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. Marks's specialty?
Dr. Marks is a gastroenterology in Alabaster, AL. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GASTROENTEROLOGY”.
NPI registry
Where can I find Dr. Marks?
Dr. Marks is listed at 1010 1ST ST N SUITE 112, Alabaster, AL 35007. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Marks?
The number on file is (205) 663-1023. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Marks's NPI number?
Dr. Marks's National Provider Identifier is 1972541910. 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. Marks's medical education?
Dr. Marks attended Meharry Medical College School of Medicine, graduating in 1986. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Marks been practising?
Dr. Marks has 40 years experience. Calculated from a graduation year of 1986, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Marks known for?
According to Medicare billing data, Dr. Marks performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, biopsy of large bowel using a flexible endoscope and removal of polyps or growths of large bowel using an endoscope with mechanical snare, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Marks confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Marks. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (205) 663-1023
- Email not available
Practice Locations
1010 1ST ST N SUITE 112
Alabaster, AL 35007
Procedures Most Often Billed to Medicare
705 services · 506 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
131 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
84 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
68 |
| Balloon dilation of esophagus, stomach, and/or upper small bowel using a flexible endoscope, less than 3.0 cm | Procedure | 43249 |
50 |
| Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43235 |
19 |
| Diagnostic exam of large bowel using a flexible endoscope | Procedure | 45378 |
12 |
| Chronic care management services for two or more chronic conditions, additional 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99439 |
110 |
| Chronic care management services, first 20 minutes of clinical staff time directed by health care professional, per calendar month | Office visit | 99490 |
109 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
36 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
28 |
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 gastroenterology specialists at this location 4
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.
More connections — 23 related providers in 3 groups
Trained at Meharry Medical College School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1986 at Meharry Medical College School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in AL 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.