Dr. Erik Michael Grossmann, MD
- Medicare services, 2024
- 274
- Medicare patients, 2024
- 175
- Part D claims, 2024
- 112
- Publications
- 9
- MIPS score, 2024
- 80
- Practice address
- 1 Hospital Dr, Columbia, MO 65201
- Practice phone
- Call (573) 882-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital (MU Health Care)
Columbia, Missouri
Find Dr. Grossmann's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Erik Michael Grossmann is a colorectal surgeon in Columbia, Missouri
Dr. Grossmann practices at University Hospital (MU Health Care) in Columbia, Missouri.
Dr. Grossmann's NPI, 1851367601, was assigned on February 23, 2006. Dr. Grossmann graduated from University of Missouri School of Medicine in 1996. Dr. Grossmann holds Missouri license 110753.
- NPI
- 1851367601NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547264889
- NPI enumeration date
- February 23, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 882-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Erik Michael Grossmann practices at University Hospital (MU Health Care) in Columbia, Missouri
Dr. Grossmann's primary practice is University Hospital (MU Health Care), at 1 Hospital Dr, Columbia, MO 65201 in Boone County. The practice phone is (573) 882-4141.
- University Hospital (MU Health Care)1 Hospital Dr, Columbia, MO 65201 · Boone CountyPhone(573) 882-4141
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Erik Michael Grossmann is affiliated with 4 sites of care and 1 medical group
Dr. Grossmann's primary practice is University Hospital (MU Health Care) in Columbia, Missouri. Dr. Grossmann is also affiliated with University Hospital. The medical group on file is University of Missouri Health Care. Dmand AI also links Dr. Grossmann to 2 more hospitals, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Erik Michael Grossmann's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Grossmann practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital (MU Health Care) | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Erik Michael Grossmann is one of 35 colorectal surgeons in Missouri
Colon and rectal surgery is Dr. Grossmann's primary specialty in the NPI Registry, under taxonomy code 208C00000X. Dr. Grossmann is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery. Dmand AI has Dr. Grossmann's licenses on file in 2 states: Missouri and Louisiana.
Specialties and state licenses
- Colon and rectal surgery, MissouriPrimary
- Louisiana license
Clinical focus
Dmand AI lists colonoscopy, colon removal, gastrointestinal obstruction and hemorrhoids among the conditions Dr. Grossmann treats.
Colorectal surgeons near Dr. Grossmann
Counts of colorectal surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Erik Michael Grossmann billed Medicare for 274 services in 2024
CMS data shows 274 Medicare services from Dr. Grossmann across 7 procedure codes in 2024, for 175 Medicare patients. Medicare paid $15,339 for them.
Dr. Grossmann's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1962024: 196No change
- Surgery
- 2023: 652024: 7820%
Where Dr. Grossmann's Medicare services took place, 2024
- In an office11642%
- In a facility15858%
Dr. Grossmann compared with the Missouri median for colorectal surgeons, 2024
- Dr. Grossmann
- Missouri median
- Medicare services
- 274vs 31513% below
- Medicare patients
- 175vs 1908% below
- Part D claims
- 85vs 20258% below
Medians across 34 colorectal surgeons in Missouri with Dmand AI profiles that report each measure.
Dr. Grossmann's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Grossmann?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Grossmann and other colorectal surgeons in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Erik Michael Grossmann treated 175 Medicare patients in 2024, average age 70
CMS counts 175 Medicare patients who saw Dr. Grossmann in 2024. The largest group is 65 to 74, with 78 patients. 72% of them have high blood pressure, and 59% have high cholesterol. 18% are also on Medicaid. Their average risk score is 1.49, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Grossmann's median patient age at 67, with 57% women.
Dr. Grossmann's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Grossmann's Medicare patients by sex, 2024
- Women10158%
- Men7442%
Chronic conditions among Dr. Grossmann's Medicare patients, 2024
- High blood pressure72%
- High cholesterol59%
- Arthritis42%
- Cancer42%
- Diabetes29%
- Mood disorders26%
- Anxiety24%
- Depression23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Grossmann's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Erik Michael Grossmann wrote 112 Medicare Part D claims in 2024
In 2024, Dr. Grossmann wrote 112 Medicare Part D claims for 73 patients. 100% of them were for generic drugs. CMS names the drug for 85 of them, across 2 drugs with 11 or more claims each, at $186 in total drug cost. In 2023, CMS named 71 claims across 2 drugs.
Dr. Grossmann's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Grossmann's Part D claims, 2024
- Opioids43%48 of 112 claims
- Antibiotics46%52 of 112 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 712024: 8520%
Drugs named by CMS: 2 in 2024, 2 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Erik Michael Grossmann scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Grossmann for performance year 2024, reported as part of a group. Dr. Grossmann accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 46 procedures of colonoscopy by Dr. Grossmann, more than 62% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Grossmann's MIPS scores, performance year 2024
- 80of 100Final score
- 58.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Grossmann ranks in Medicare procedure volume
- Colonoscopy
- 62nd percentile46 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal of skin lesions: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Erik Michael Grossmann has 9 publications on record
Dmand AI links 9 papers to Dr. Grossmann in 2025. The most frequent topics are Interleukin-1, Bacterial Toxins and Cells, Cultured. Dr. Grossmann's most frequent co-authors are James G. Norman, MD and Yezaz Ahmed Ghouri, MD.
Topics Dr. Grossmann writes about most
- Interleukin-1
- Bacterial Toxins
- Cells, Cultured
- Clostridioides difficile
- Colorectal Neoplasms
- Liver
- Mice, Inbred C57BL
- Receptors, Interleukin-1
Dr. Grossmann's most frequent co-authors
Recent publications by Dr. Grossmann
J Gastrointest Surg
J Spinal Cord Med
See who Dr. Grossmann researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Grossmann works with, so you can find a warm path to the right colorectal surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Erik Michael Grossmann received $6,735 in industry payments from 2016 to 2025
CMS Open Payments shows 58 general payments to Dr. Grossmann from 12 drug and device companies from 2016 to 2025. Travel and lodging make up the largest share, 47% of the total. Intuitive Surgical, Inc. paid the most, $5,268.
General payments to Dr. Grossmann by program year, 2016 to 2025
General payments to Dr. Grossmann by kind, 2016 to 2025
- Travel and lodging$3,14347%
- Education$2,00030%
- Food and beverage$1,49022%
- Speaker and faculty fees$1022%
Companies that paid Dr. Grossmann the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Erik Michael Grossmann has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Grossmann, most recently CMS Stage 1 2012 in 2011.
Awards and honors for Dr. Grossmann
- 2011
- CMS Stage 1 2012
- Undated
- ACS Fellow
- Fellow
Source: Dmand AI Professional Profile Data
Dr. Erik Michael Grossmann graduated from University of Missouri School of Medicine
Dr. Grossmann graduated from University of Missouri School of Medicine in 1996. Dr. Grossmann is a member of ACS and ASCRS.
- Medical school
- Board certified in colon & rectal surgery
- Board certified in surgery
Source: Dmand AI Professional Profile Data
Dr. Erik Michael Grossmann accepts plans from 6 insurance carriers
Dr. Grossmann is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- CMS Medicare
Plan types Dr. Grossmann accepts, by number of carriers
- Medicare6
- PPO4
- POS2
- HMO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Erik Michael Grossmann's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Erik Michael Grossmann
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Erik Michael Grossmann's NPI number?
Dr. Erik Michael Grossmann's NPI number is 1851367601. It was assigned on February 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Erik Michael Grossmann?
Dr. Erik Michael Grossmann is a colorectal surgeon in Columbia, Missouri. The primary specialty in the NPI Registry is Colon & Rectal Surgery Physician (taxonomy code 208C00000X).
Where does Dr. Erik Michael Grossmann practice?
Dr. Grossmann practices at 1 Hospital Dr, Columbia, MO 65201. Dr. Grossmann's primary practice is University Hospital (MU Health Care) in Columbia, Missouri. Dmand AI also links Dr. Grossmann to 2 hospitals.
What is Dr. Erik Michael Grossmann's office phone number?
The practice phone on file for Dr. Grossmann is (573) 882-4141.
What is Dr. Erik Michael Grossmann's medical license number?
Dr. Grossmann holds Missouri license 110753, one of the licenses on file in 2 states.
Which states has Dr. Erik Michael Grossmann been licensed in?
Dmand AI has state licenses on file for Dr. Grossmann in Missouri (1997 to 2026) and Louisiana (2002 to 2004).
Which hospitals is Dr. Erik Michael Grossmann affiliated with?
Dr. Grossmann is affiliated with University Hospital. Dmand AI links Dr. Grossmann to 2 more hospitals.
What medical group is Dr. Erik Michael Grossmann part of?
Dr. Grossmann is linked to University of Missouri Health Care.
Does Dr. Erik Michael Grossmann accept Medicare?
Yes. CMS data shows Dr. Grossmann billed Medicare for 274 services in 2024, and Dr. Grossmann accepts Medicare assignment.
What is Dr. Erik Michael Grossmann's MIPS score?
Dr. Grossmann's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Erik Michael Grossmann see?
CMS counts 175 Medicare patients who saw Dr. Grossmann in 2024, with an average age of 70.
Is Dr. Erik Michael Grossmann board certified?
Yes. Dr. Grossmann is board certified in colon & rectal surgery by the American Board of Colon and Rectal Surgery.
What services does Dr. Erik Michael Grossmann bill to Medicare?
In 2024, Dr. Grossmann's most billed Medicare services were office visit, new patient (99203), office visit, established patient (99213) and surgery: digestive system (46600).
Where did Dr. Erik Michael Grossmann go to medical school?
Dr. Grossmann graduated from University of Missouri School of Medicine in 1996.
What drugs does Dr. Erik Michael Grossmann prescribe most?
In 2024 Medicare Part D data, Dr. Grossmann's most prescribed drugs by claims were Metronidazole and Oxycodone HCl.
Has Dr. Erik Michael Grossmann received payments from drug or device companies?
CMS Open Payments shows $6,735 in general payments to Dr. Grossmann from 12 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Erik Michael Grossmann been practicing?
Dr. Grossmann graduated from medical school in 1996, 30 years ago.
Does Dr. Erik Michael Grossmann do research?
Dmand AI links 9 publications to Dr. Grossmann.
Who does Dr. Erik Michael Grossmann publish with?
Dr. Grossmann's most frequent co-authors are James G. Norman, MD (2 shared papers) and Yezaz Ahmed Ghouri, MD (1 shared paper).
What insurance does Dr. Erik Michael Grossmann accept?
Dr. Grossmann is in network with 6 carriers, including Blue Cross Blue Shield of Michigan, United Healthcare and Blue Cross Blue Shield of Massachusetts. Medicare plans come from the most carriers, 6. Check the plan with the practice before a visit.
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