ERIK MICHAEL GROSSMANN (M.D.) – Colon & Rectal Surgery Physician, NPI 1851367601
Colon & Rectal Surgery Physician
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Profile Insights
NPPES metrics only — not quality of care.
50 COLORECTAL SURGERY (PROCTOLOGY) in MO
Provider Addresses for ERIK MICHAEL GROSSMANN (M.D.)
ONE HOSPITAL DR
COLUMBIA, MO 652120001
Phone: (573) 882-2100
Fax: (573) 882-6054
Type: Location
3220 Bluff Creek Dr
Suite 100
Columbia, MO 652013663
Phone: (573) 443-8773
Fax: (573) 443-6843
Type: Location
3220, Bluff Creek Drive, Columbia, Boone County, Missouri, 65201, United States
SUITE 100
COLUMBIA, MO 652013663
Phone: (573) 443-8773
Fax: (573) 443-6843
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 6 Open Payments records for all available years, with a total value of $437.
Total Amount is formed as General ($437) + Research ($0) + Ownership ($0) = $437.
Last reported payment date: 2024-10-16 • Largest payer in this snapshot: Intuitive Surgical, Inc. ($352).
Total Amount
$437
General + Research + Ownership
Payments
6
Total payment records
General Amount
$437
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-10-16
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Intuitive Surgical, Inc. | $352 |
| Ethicon US, LLC | $41 |
| LifeNet Health | $23 |
| Cook Medical LLC | $21 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2006-08-29
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20060829000410 | I | Colorectal Surgery (Proctology) | MO | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 99232 | Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 56 | 13 | $0 |
| 99213 | Established patient office or other outpatient visit, 20-29 minutes | 45 | 40 | $0 |
| 46600 | Diagnostic exam of anus using an endoscope | 41 | 41 | $0 |
| 99214 | Established patient office or other outpatient visit, 30-39 minutes | 41 | 35 | $0 |
| 99204 | New patient office or other outpatient visit, 45-59 minutes | 33 | 33 | $0 |
Insurance plans in this area (ZIP 65212)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| COLORECTAL SURGERY (PROCTOLOGY) | MO | 46600 | Diagnostic examination of the anus using an endoscope | 68 | 67 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| H E M A T O L O G Y/ O N C O L O G Y | PA | |
| General Surgery | MO | |
| Family Practice | MO | |
| Psychiatry, Neurology | MO | |
| - | MO | |
| - | MO | |
| - | OH | |
| Family Practice | MO | |
| - | WA | |
| Diagnostic Radiology | MO |
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