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Edit this profileWhere to find David Koller
- Torrance location main office
23451 Madison St Ste 340, Torrance, CA 90505 - Providence location
593 Eddy St., Apc 422, Providence, RI 02903
About David Koller
Based in Torrance, CA, David Koller is listed in the NPI registry under colon & rectal surgery. David graduated from University of Texas Medical School at Houston in 2014. Medicare claims data shows David provided 253 services to 203 patients. The services billed most often include diagnostic exam of anus using an endoscope, new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more, and subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes. NPI 1417367517 identifies this record in the national registry.
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
- (310) 373-6864
- Email not available
Practice Locations
23451 MADISON ST STE 340
Torrance, CA 90505
593 Eddy St. APC 422
Providence, RI 02903
Procedures Most Often Billed to Medicare
253 services · 203 patients · 8 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
66 | 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 |
43 | More often than most peers in Colon & Rectal Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | Office visit | 99232 |
31 | As often as other peers in Colon & Rectal Surgery |
| Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | Office visit | 99231 |
31 | As often as other peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
31 | As often as other peers in Colon & Rectal Surgery |
| Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | Office visit | 99222 |
25 | More often than most peers in Colon & Rectal Surgery |
| Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | Office visit | 99233 |
15 | 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 |
11 | 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.
Other colorectal surgeons at this location 1
Same specialty, same street address — most likely the same department or group.
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.
More connections — 26 related providers in 4 groups
Other colorectal surgeons in Torrance 3
Same specialty, same city.
Trained at University of Texas Medical School at Houston 8
Other providers in the same specialty who trained at the same institution.
Class of 2014 at University of Texas Medical School at Houston 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 CA who bill this service to Medicare most often.
Common questions
What is David Koller's specialty?
David Koller is a colorectal surgeon in Torrance, CA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Where can I find David Koller?
David Koller is listed at 23451 Madison St Ste 340, Torrance, CA 90505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact David Koller?
The number on file is (310) 373-6864. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for David Koller?
David Koller's National Provider Identifier is 1417367517. 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 David Koller's education?
David Koller attended University of Texas Medical School at Houston, graduating in 2014. This comes from the CMS National Downloadable File.
CMS public data
How much experience does David Koller have?
David Koller has 12 years experience. Calculated from a graduation year of 2014, reported in the CMS National Downloadable File.
CMS public data
What is David Koller known for?
According to Medicare billing data, David Koller performs procedures including 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 David Koller's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by David Koller. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.