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Edit this profileAt a glance
- 800 Washington St, Boston, MA 02111
About James Yoo
James Yoo is a healthcare provider in Boston, MA specializing in colon & rectal surgery. James trained at Icahn School of Medicine at Mount Sinai, graduating in 1997. James is also listed as specializing in surgery. According to Medicare claims data, James cared for 169 Medicare patients across 212 services. The services billed most often include established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more, diagnostic exam of anus using an endoscope, and new patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more. This provider record is associated with NPI 1386739282.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
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
- (617) 636-5000
- Email not available
Practice Locations
800 WASHINGTON ST
Boston, MA 02111
Procedures Most Often Billed to Medicare
212 services · 169 patients · 7 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
40 | As often as other peers in Colon & Rectal Surgery |
| Biopsy of anus with magnification and chemical agent enhancement using an endoscope | Procedure | 46607 |
23 | Too few peers to compare |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
78 | More often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
34 | More often than most 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 |
13 | Less often than most peers in Colon & Rectal Surgery |
| New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more | Office visit | 99205 |
12 | Less often than most 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 |
12 | Less often than most 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 Boston 8
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at Icahn School of Medicine at Mount Sinai 8
Other providers in the same specialty who trained at the same institution.
Class of 1997 at Icahn School of Medicine at Mount Sinai 8
Providers who graduated from the same medical school in the same year.
Also performs Diagnostic exam of anus using an endoscope 7
Providers in MA who bill this service to Medicare most often.
Common questions
What does James Yoo specialize in?
James Yoo is a colorectal surgeon in Boston, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where is James Yoo located?
James Yoo is listed at 800 Washington St, Boston, MA 02111. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is James Yoo's phone number?
The number on file is (617) 636-5000. Contact the office directly to confirm availability and scheduling.
NPI registry
What is James Yoo's NPI number?
James Yoo's National Provider Identifier is 1386739282. 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 James Yoo train?
James Yoo attended Icahn School of Medicine at Mount Sinai, graduating in 1997. This comes from the CMS National Downloadable File.
CMS public data
How long has James Yoo been practicing?
James Yoo has 29 years experience. Calculated from a graduation year of 1997, reported in the CMS National Downloadable File.
CMS public data
What does James Yoo do most often?
According to Medicare billing data, James Yoo performs procedures including diagnostic exam of anus using an endoscope and biopsy of anus with magnification and chemical agent enhancement 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 James Yoo confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by James Yoo. If this is you, claiming it is free.
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