Physician Profile
Joseph Mareno, M.D.
Unclaimed ProfileAbout Dr. Mareno
Joseph Mareno, M.D. is a healthcare provider in Atlanta, GA specializing in colon & rectal surgery. Joseph trained at Emory University School of Medicine, graduating in 2003. Medicare claims data shows Joseph provided 285 services to 246 patients. The services billed most often include diagnostic exam of anus using an endoscope, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more.
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
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
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
- (404) 574-5820
- Email not available
Practice Locations
95 COLLIER RD NW SUITE 4025
Atlanta, GA 30309
Procedures Most Often Billed to Medicare
285 services · 246 patients · 9 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
61 | More often than most peers in Colon & Rectal Surgery |
| Removal of external hemorrhoids by rubber banding | Procedure | 46221 |
25 | As often as other peers in Colon & Rectal Surgery |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
24 | As often as other peers in Colon & Rectal Surgery |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
17 | As often as other peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
39 | More often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
35 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 | As often as other peers in Colon & Rectal Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
29 | As often as other peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
24 | As often as other peers in Colon & Rectal Surgery |
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.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
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 colorectal surgeons in Atlanta 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at Emory University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2003 at Emory University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 8
Providers in GA who bill this service to Medicare most often.
Common questions
What does Joseph Mareno specialize in?
Joseph Mareno is a colorectal surgeon in Atlanta, GA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is Joseph Mareno located?
Joseph Mareno is listed at 95 Collier Rd Nw Suite 4025, Atlanta, GA 30309. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Joseph Mareno's phone number?
The number on file is (404) 574-5820. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Joseph Mareno?
Joseph Mareno's National Provider Identifier is 1265687479. 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 Joseph Mareno train?
Joseph Mareno attended Emory University School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Joseph Mareno have?
Joseph Mareno has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
What does Joseph Mareno do most often?
According to Medicare billing data, Joseph Mareno performs procedures including diagnostic exam of anus using an endoscope, removal of external hemorrhoids by rubber banding 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
Is Joseph Mareno's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Joseph Mareno. 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.