Physician Profile
Unclaimed ProfileAbout O'NEIL
Based in Greenwood, IN, Stephen J O'Neil, MD is listed in the NPI registry under general surgery. Stephen graduated from Northwestern University Feinberg Medical School in 1991. Stephen is also listed as specializing in surgery. According to Medicare claims data, Stephen cared for 143 Medicare patients across 169 services.
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
- (317) 865-8000
- Email not available
Practice Locations
701 EAST COUNTY LINE ROAD SUITE 201
Greenwood, IN 46143
Procedures Most Often Billed to Medicare
169 services · 143 patients · 7 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Repair of groin hernia using an endoscope | Procedure | 49650 |
15 |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
44 |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
26 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
26 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
25 |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
21 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
12 |
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 3
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 Greenwood 5
Same specialty, same city.
Trained at Northwestern University Feinberg Medical School 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1991 at Northwestern University Feinberg Medical School 8
Providers who graduated from the same medical school in the same year.
Also performs Repair of groin hernia using an endoscope 8
Providers in IN who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. O'Neil?
Dr. O'Neil is a general surgeon in Greenwood, IN. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
What is Dr. O'Neil's address?
Dr. O'Neil is listed at 701 EAST COUNTY LINE ROAD SUITE 201, Greenwood, IN 46143. 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. O'Neil?
The number on file is (317) 865-8000. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is Dr. O'Neil's NPI number?
Dr. O'Neil's National Provider Identifier is 1629009956. 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. O'Neil train?
Dr. O'Neil attended Northwestern University Feinberg Medical School, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How long has Dr. O'Neil been practicing?
Dr. O'Neil has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. O'Neil perform?
According to Medicare billing data, Dr. O'Neil 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. O'Neil confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Neil. 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.