Dr. Derek N. Korte, DO
- Medicare services, 2024
- 445
- Medicare patients, 2024
- 380
- Part D claims, 2024
- 1,038
- Hospital affiliations
- 3
- Industry payments
- $6,464
- Practice address
- 602 Michigan Ave, Holland, MI 49423
- Practice phone
- Call (616) 392-5141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Korte's professional email, personal email and mobile number
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Dr. Derek N. Korte is a gastroenterologist in Holland, Michigan
Dr. Korte practices at Holland Hospital in Holland, Michigan, part of Holland Hospital.
Dr. Korte's NPI, 1346226495, was assigned on December 21, 2005. Dr. Korte graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1999. Dr. Korte holds Michigan license 5101014117.
- NPI
- 1346226495NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0648219212
- NPI enumeration date
- December 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (616) 392-5141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Derek N. Korte practices at Holland Hospital in Holland, Michigan
Dr. Korte's primary practice is Holland Hospital, at 602 Michigan Ave, Holland, MI 49423 in Ottawa County. The practice phone is (616) 392-5141.
- Holland Hospital602 Michigan Ave, Holland, MI 49423 · Ottawa CountyPhone(616) 392-5141
Source: Dmand AI Affiliation Data
Dr. Derek N. Korte is affiliated with 4 sites of care and 1 medical group
Dr. Korte's primary practice is Holland Hospital in Holland, Michigan, part of Holland Hospital. Dr. Korte is also affiliated with Henry Ford Genesys Hospital. The medical group on file is Holland Hospital Behavioral Health Services - Outpatient. Dmand AI also links Dr. Korte to 1 more hospital and 1 group practice or clinic, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Derek N. Korte's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Korte practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Holland Hospital | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Holland Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Derek N. Korte is one of 487 gastroenterologists in Michigan
Gastroenterology is Dr. Korte's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Korte is licensed in Michigan.
Specialties and state licenses
- Gastroenterology, MichiganPrimary
Gastroenterologists near Dr. Korte
Counts of gastroenterologists 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. Derek N. Korte billed Medicare for 445 services in 2024
CMS data shows 445 Medicare services from Dr. Korte across 12 procedure codes in 2024, for 380 Medicare patients. Medicare paid $51,307 for them.
Dr. Korte's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2032024: 22611%
- Surgery
- 2023: 1712024: 1795%
- Other services
- 2023: 412024: 402%
Where Dr. Korte's Medicare services took place, 2024
- In an office12328%
- In a facility32272%
Dr. Korte compared with the Michigan median for gastroenterologists, 2024
- Dr. Korte
- Michigan median
- Medicare services
- 445vs 32437% above
- Medicare patients
- 380vs 23065% above
- Part D claims
- 942vs 4242.2 times
Medians across 487 gastroenterologists in Michigan with Dmand AI profiles that report each measure.
Dr. Korte'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. Korte?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Korte and other gastroenterologists in Michigan.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Derek N. Korte treated 380 Medicare patients in 2024, average age 72
CMS counts 380 Medicare patients who saw Dr. Korte in 2024. The largest group is 65 to 74, with 176 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.56, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Korte's median patient age at 64, with 54% women.
Dr. Korte's Medicare patients by age, 2024
Dr. Korte's Medicare patients by sex, 2024
- Women21958%
- Men16142%
Chronic conditions among Dr. Korte's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Diabetes36%
- Chronic kidney disease34%
- Anxiety31%
- Ischemic heart disease31%
- Mood disorders28%
Share of Medicare patients with each condition. A patient can have several.
Dr. Korte's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 64
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Derek N. Korte wrote 1,038 Medicare Part D claims in 2024
In 2024, Dr. Korte wrote 1,038 Medicare Part D claims for 584 patients. 76% of them were for generic drugs. CMS names the drug for 942 of them, across 21 drugs with 11 or more claims each, at $308,745 in total drug cost. In 2023, CMS named 1,014 claims across 18 drugs.
Dr. Korte's Part D claims by kind of drug, 2024
- Generic790 claims76%
- Brand-name248 claims24%
Dr. Korte'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. Korte's Part D claims, 2024
- Antibiotics4%45 of 1,038 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: 1,0142024: 9427%
Drugs named by CMS: 21 in 2024, 18 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. Derek N. Korte ranks in the 85th percentile for colonoscopy in Medicare
Dr. Korte accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 128 procedures of colonoscopy by Dr. Korte, more than 85% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Korte ranks in Medicare procedure volume
- Colonoscopy
- 85th percentile128 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux
- 72nd percentile82 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Derek N. Korte received $6,464 in industry payments from 2016 to 2025
CMS Open Payments shows 360 general payments to Dr. Korte from 29 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 99% of the total. Abbvie Inc. paid the most, $2,532.
General payments to Dr. Korte by program year, 2016 to 2025
General payments to Dr. Korte by kind, 2016 to 2025
- Food and beverage$6,42699%
- Education$381%
Companies that paid Dr. Korte 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. Derek N. Korte graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville
Dr. Korte graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1999.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Derek N. Korte'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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. Derek N. Korte
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. Derek N. Korte's NPI number?
Dr. Derek N. Korte's NPI number is 1346226495. It was assigned on December 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Derek N. Korte?
Dr. Derek N. Korte is a gastroenterologist in Holland, Michigan. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).
Where does Dr. Derek N. Korte practice?
Dr. Korte practices at 602 Michigan Ave, Holland, MI 49423. Dr. Korte's primary practice is Holland Hospital in Holland, Michigan, part of Holland Hospital. Dmand AI also links Dr. Korte to 1 hospital and 1 group practice or clinic.
What is Dr. Derek N. Korte's office phone number?
The practice phone on file for Dr. Korte is (616) 392-5141.
What is Dr. Derek N. Korte's medical license number?
Dr. Korte holds Michigan license 5101014117.
Which hospitals is Dr. Derek N. Korte affiliated with?
Dr. Korte practices at Holland Hospital in Holland, Michigan. Dr. Korte is also affiliated with Henry Ford Genesys Hospital. Dmand AI links Dr. Korte to 1 more hospital.
What medical group is Dr. Derek N. Korte part of?
Dr. Korte is linked to Holland Hospital Behavioral Health Services - Outpatient.
Does Dr. Derek N. Korte accept Medicare?
Yes. CMS data shows Dr. Korte billed Medicare for 445 services in 2024, and Dr. Korte accepts Medicare assignment.
How many Medicare patients does Dr. Derek N. Korte see?
CMS counts 380 Medicare patients who saw Dr. Korte in 2024, with an average age of 72.
What services does Dr. Derek N. Korte bill to Medicare?
In 2024, Dr. Korte's most billed Medicare services were surgery: digestive system (45385), hospital inpatient care (99222) and office visit, established patient (99214).
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Where did Dr. Derek N. Korte go to medical school?
Dr. Korte graduated from At Still University of Health Sciences, College of Osteo Med, Kirksville in 1999.
What drugs does Dr. Derek N. Korte prescribe most?
In 2024 Medicare Part D data, Dr. Korte's most prescribed drugs by claims were Peg 3350-Electrolyte, Pantoprazole Sodium and Omeprazole.
Has Dr. Derek N. Korte received payments from drug or device companies?
CMS Open Payments shows $6,464 in general payments to Dr. Korte from 29 companies from 2016 to 2025. The largest total came from Abbvie Inc.
How long has Dr. Derek N. Korte been practicing?
Dr. Korte graduated from medical school in 1999, 27 years ago.
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