Physician Profile
Unclaimed ProfileAbout LEFF
John D Leff, M D is a healthcare provider in Columbus, OH specialising in general surgery. John trained at Ohio State University College of Medicine, graduating in 1996. John is also listed as specialising in surgery.
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. Leff's specialty?
Dr. Leff is a general surgeon in Columbus, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Where can I find Dr. Leff?
Dr. Leff is listed at 3545 OLENTANGY RIVER RD SUITE 525, Columbus, OH 43214. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Dr. Leff?
The number on file is (614) 261-1900. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. Leff's NPI number?
Dr. Leff's National Provider Identifier is 1396744140. 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. Leff's medical education?
Dr. Leff attended Ohio State University College of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. Leff been practising?
Dr. Leff has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
What is Dr. Leff known for?
According to Medicare billing data, Dr. Leff performs procedures including repair of groin hernia using an endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Dr. Leff confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Leff. If this is you, claiming it is free.
Guide.md
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (614) 261-1900
- Email not available
Practice Locations
3545 OLENTANGY RIVER RD SUITE 525
Columbus, OH 43214
Procedures Most Often Billed to Medicare
413 services · 298 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Repair of groin hernia using an endoscope | Procedure | 49650 |
19 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
111 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
107 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
65 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
28 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
26 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
25 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
18 |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
14 |
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 general surgeons at this location 5
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 general surgeons in Columbus 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Ohio State University College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1996 at Ohio State University College of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Repair of groin hernia using an endoscope 8
Providers in OH 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.