Physician Profile
Based in Columbia, MO, Erik M. Grossmann, M.D. is listed in the NPI registry under colon & rectal surgery. Erik graduated from University of Missouri, Columbia School of Medicine in 1996. Erik is also listed as specializing in surgery. Medicare claims data shows Erik provided 274 services to 226 patients. The services billed most often include diagnostic exam of anus using an endoscope, subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes, and new patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
ONE HOSPITAL DR
Columbia, MO 65212
3220 Bluff Creek Dr Suite 100
Columbia, MO 65201
274 services · 226 patients · 10 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Diagnostic exam of anus using an endoscope | Procedure | 46600 |
47 | More often than most peers in Colon & Rectal Surgery |
| Diagnostic exam of lower portion of large bowel using a flexible endoscope | Procedure | 45330 |
31 | 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 |
40 | As often as other 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 |
32 | More often than most 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 |
28 | As often as other 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 |
21 | More often than most 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 |
20 | As often as other 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 |
20 | More often than most peers in Colon & Rectal Surgery |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 | |
| New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more | Office visit | 99204 |
17 | More 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.
Erik M. Grossmann is a colorectal surgeon in Columbia, MO. That is the designation recorded for this NPI in the federal registry, where it is listed as “Colon & Rectal Surgery”.
NPI registry
Erik M. Grossmann is listed at One Hospital Dr, Columbia, MO 65212. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (573) 882-2100. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Erik M. Grossmann's National Provider Identifier is 1851367601. 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
Erik M. Grossmann attended University of Missouri, Columbia School of Medicine, graduating in 1996. This comes from the CMS National Downloadable File.
CMS public data
Erik M. Grossmann has 30 years experience. Calculated from a graduation year of 1996, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Erik M. Grossmann performs procedures including diagnostic exam of anus using an endoscope and diagnostic exam of lower portion of large bowel using a flexible endoscope, 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 Erik M. Grossmann. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.