Doctor profile · Federal record

Dr. Erik Grossmann, M.D.

Colon & Rectal Surgery Physician (CMS: Colorectal Surgery (Proctology)) · Surgery Physician · Columbia, MO

  • NPI 1851367601
  • Accepts Medicare
  • MIPS 100.0 / 100 · 2023
  • 30 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
One Hospital Dr
Columbia, MO 652120001
(573) 882-2100
fax (573) 882-6054
Additional location
3220 Bluff Creek Dr, Suite 100
Columbia, MO 652013663
(573) 443-8773
fax (573) 443-6843
Mailing address
3220 Bluff Creek Dr, Suite 100
Columbia, MO 652013663

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
April 11, 2023
Year of graduation
1996 — 30 yrs since
Specialty taxonomy
208C00000X — NUCC code
State license (1)
Missouri #110753
Medicaid
MO #206038606

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851367601. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
261
Distinct HCPCS
10
Medicare allowed
$20,822
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 56 13 $76
46600 Diagnostic exam of anus using an endoscope 41 41 $38
99213 Established patient office or other outpatient visit, 20-29 minutes 27 22 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 26 23 $93
99203 New patient office or other outpatient visit, 30-44 minutes 21 21 $79
99204 New patient office or other outpatient visit, 45-59 minutes 20 20 $127
99213 Established patient office or other outpatient visit, 20-29 minutes 18 18 $63
99214 Established patient office or other outpatient visit, 30-39 minutes 15 12 $93
45380 Biopsy of large bowel using a flexible endoscope 13 13 $149
99204 New patient office or other outpatient visit, 45-59 minutes 13 13 $127

In context: peer comparison

Among 1 peers in this city , average services per provider: 23. This provider delivers 11× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$44
Transactions
2
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
LifeNet Health 1 $22.77
Cook Medical LLC 1 $21.22

By nature of payment

Food and Beverage
$44

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
71
Patients
68
Total drug cost
$316
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 49 47 $279
Metronidazole Generic 22 21 $37

Frequently asked questions

Auto-generated from federal data
What is Dr. Erik Grossmann's medical specialty?
Dr. Erik Grossmann practices Colon & Rectal Surgery Physician in Columbia, MO.
Where does Dr. Erik Grossmann practice?
Dr. Erik Grossmann practices at One Hospital Dr, Columbia, MO 652120001. Office phone: 5738822100.
What is Dr. Erik Grossmann's NPI?
Dr. Erik Grossmann's National Provider Identifier (NPI) is 1851367601, issued by NPPES.
Does Dr. Erik Grossmann accept Medicare assignment?
Yes. Dr. Erik Grossmann accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Erik Grossmann commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Diagnostic exam of anus using an endoscope (HCPCS 46600); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.