William J O'Brien, MD is a healthcare provider in Cleveland, OH specialising in general surgery. William trained at Medical College of Wisconsin, graduating in 1985. William 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.
Dr. O'Brien is a general surgeon in Cleveland, OH. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “GENERAL SURGERY”.
NPI registry
Dr. O'Brien is listed at 9500 EUCLID AVE, Cleveland, OH 44195. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (800) 223-2273. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. O'Brien's National Provider Identifier is 1477581395. 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
Dr. O'Brien attended Medical College of Wisconsin, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
Dr. O'Brien has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. O'Brien performs procedures including repair of groin hernia, removal of gallbladder with x-ray study of bile ducts using an endoscope and initial repair of sliding hernia of abdomen, 3-10 cm in length, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. O'Brien. If this is you, claiming it is free.
Guide.md
Source: NPPES NPI Registry
9500 EUCLID AVE
Cleveland, OH 44195
334 services · 319 patients · 13 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Repair of groin hernia (5 years or older) | Procedure | 49505 |
32 |
| Removal of gallbladder with x-ray study of bile ducts using an endoscope | Procedure | 47563 |
15 |
| Initial repair of sliding hernia of abdomen, 3-10 cm in length | Procedure | 49593 |
14 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
48 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
42 |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
34 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
32 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 |
| 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 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
17 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Same specialty, same street address — most likely the same department or group.
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Same specialty, same city.
Other providers in the same specialty who trained at the same institution.
Providers who graduated from the same medical school in the same year.
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.