Physician Profile
Unclaimed ProfileAbout JOHNSTON
William Forrest Johnston, MD is a healthcare provider in New Orleans, LA specializing in colorectal surgery (proctology). William trained at Baylor College of Medicine, graduating in 2009. William is also listed as specializing in student in an organized health care education program and colon & rectal surgery. Medicare claims data shows William provided 160 services to 143 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
- (504) 842-4060
- Email not available
Practice Locations
1514 JEFFERSON HWY
New Orleans, LA 70121
Procedures Most Often Billed to Medicare
160 services · 143 patients · 8 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Diagnostic exam of lower portion of large bowel using a flexible endoscope | Procedure | 45330 |
20 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
19 |
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
14 |
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
13 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
50 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
16 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
15 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
13 |
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.
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 surgery specialists in New Orleans 8
Same specialty, same city.
Trained at Baylor College of Medicine 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 2009 at Baylor College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of lower portion of large bowel using a flexible endoscope 8
Providers in LA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Johnston?
Dr. Johnston is a colorectal surgery (proctology) in New Orleans, LA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “COLORECTAL SURGERY (PROCTOLOGY)”.
NPI registry
What is Dr. Johnston's address?
Dr. Johnston is listed at 1514 JEFFERSON HWY, New Orleans, LA 70121. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Johnston?
The number on file is (504) 842-4060. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Johnston?
Dr. Johnston's National Provider Identifier is 1598908253. 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 Dr. Johnston train?
Dr. Johnston attended Baylor College of Medicine, graduating in 2009. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Johnston have?
Dr. Johnston has 17 years experience. Calculated from a graduation year of 2009, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Johnston perform?
According to Medicare billing data, Dr. Johnston performs procedures including diagnostic exam of lower portion of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and diagnostic exam of anus using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Johnston's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Johnston. 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.