Dr. David Werner Koelsch, MD
- Medicare services, 2024
- 332
- Medicare patients, 2024
- 161
- Part D claims, 2024
- 232
- Hospital affiliations
- 1
- Industry payments
- $4,812
- Practice address
- 990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830
- Practice phone
- Call (865) 835-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Koelsch'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. David Werner Koelsch is a general surgeon in Oak Ridge, Tennessee
Dr. Koelsch practices at Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee, part of Covenant Health.
Dr. Koelsch's NPI, 1013919489, was assigned on August 15, 2005. Dr. Koelsch graduated from University of Tennessee, Hsc, College of Medicine in 1996. Dr. Koelsch holds Tennessee license 47206.
- NPI
- 1013919489NPI Registry (opens in a new tab)
- Medicare PAC ID
- 9234190646
- NPI enumeration date
- August 15, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (865) 835-1000
- 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 Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Werner Koelsch practices at Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee
Dr. Koelsch's primary practice is Methodist Medical Center of Oak Ridge, at 990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830 in Anderson County. The practice phone is (865) 835-1000.
- Methodist Medical Center of Oak Ridge990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830 · Anderson CountyPhone(865) 835-1000
Source: Dmand AI Affiliation Data
Dr. David Werner Koelsch is affiliated with 3 sites of care and 2 medical groups
Dr. Koelsch's primary practice is Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee, part of Covenant Health. The medical group on file is Covenant Medical Group. Dmand AI also links Dr. Koelsch to 2 more group practices and clinics and 1 medical group, 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. David Werner Koelsch's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Koelsch practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Methodist Medical Center of Oak Ridge | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Werner Koelsch is one of 548 general surgeons in Tennessee
Surgery is Dr. Koelsch's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Dr. Koelsch's licenses on file in 2 states: Tennessee and Kentucky.
Specialties and state licenses
- Surgery, TennesseePrimary
- Kentucky license
General surgeons near Dr. Koelsch
Counts of general 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. David Werner Koelsch billed Medicare for 332 services in 2024
CMS data shows 332 Medicare services from Dr. Koelsch across 9 procedure codes in 2024, for 161 Medicare patients. Medicare paid $28,380 for them.
Dr. Koelsch's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2622024: 29914%
- Surgery
- 2023: 242024: 3338%
Where Dr. Koelsch's Medicare services took place, 2024
- In an office14544%
- In a facility18756%
Dr. Koelsch compared with the Tennessee median for general surgeons, 2024
- Dr. Koelsch
- Tennessee median
- Medicare services
- 332vs 17491% above
- Medicare patients
- 161vs 12232% above
- Part D claims
- 125vs 522.4 times
Medians across 548 general surgeons in Tennessee with Dmand AI profiles that report each measure.
Dr. Koelsch'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Koelsch and other general surgeons in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Werner Koelsch treated 161 Medicare patients in 2024, average age 75
CMS counts 161 Medicare patients who saw Dr. Koelsch in 2024. The largest group is 65 to 74, with 71 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Koelsch's median patient age at 70, with 59% women.
Dr. Koelsch's Medicare patients by age, 2024
Dr. Koelsch's Medicare patients by sex, 2024
- Women10968%
- Men5232%
Chronic conditions among Dr. Koelsch's Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis50%
- Cancer42%
- Mood disorders32%
- Chronic kidney disease30%
- Depression30%
- Diabetes30%
Share of Medicare patients with each condition. A patient can have several.
Dr. Koelsch's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 70
Patient panel by sex, all payers
- Women59%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. David Werner Koelsch wrote 232 Medicare Part D claims in 2024
In 2024, Dr. Koelsch wrote 232 Medicare Part D claims for 128 patients. 96% of them were for generic drugs. CMS names the drug for 125 of them, across 2 drugs with 11 or more claims each, at $522 in total drug cost. In 2023, CMS named 109 claims across 4 drugs.
Dr. Koelsch's Part D claims by kind of drug, 2024
- Generic222 claims96%
- Brand-name and other10 claims4%
Dr. Koelsch'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. Koelsch's Part D claims, 2024
- Opioids54%125 of 232 claims
- Antibiotics20%47 of 232 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: 1092024: 12515%
Drugs named by CMS: 2 in 2024, 4 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. David Werner Koelsch ranks in the 81st percentile for hernia repair (minimally invasive) in Medicare
Dr. Koelsch accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 15 procedures of hernia repair (minimally invasive) by Dr. Koelsch, more than 81% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Koelsch ranks in Medicare procedure volume
- Hernia repair (minimally invasive)
- 81st percentile15 procedures
- Mastectomy
- 66th percentile12 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)
Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)
Skin biopsy: 1 to 10 procedures (CMS shows small counts as a range)
Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. David Werner Koelsch received $4,812 in industry payments from 2016 to 2025
CMS Open Payments shows 186 general payments to Dr. Koelsch from 27 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 58% of the total. Allergan Inc. paid the most, $2,036.
General payments to Dr. Koelsch by program year, 2016 to 2025
General payments to Dr. Koelsch by kind, 2016 to 2025
- Food and beverage$2,78158%
- Travel and lodging$2,01242%
- Education$200%
Companies that paid Dr. Koelsch 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. David Werner Koelsch graduated from University of Tennessee, Hsc, College of Medicine
Dr. Koelsch graduated from University of Tennessee, Hsc, College of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Werner Koelsch'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. David Werner Koelsch
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. David Werner Koelsch's NPI number?
Dr. David Werner Koelsch's NPI number is 1013919489. It was assigned on August 15, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. David Werner Koelsch?
Dr. David Werner Koelsch is a general surgeon in Oak Ridge, Tennessee. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. David Werner Koelsch practice?
Dr. Koelsch practices at 990 Oak Ridge Turnpike Box 529, Oak Ridge, TN 37830. Dr. Koelsch's primary practice is Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee, part of Covenant Health. Dmand AI also links Dr. Koelsch to 2 group practices and clinics and 1 medical group.
What is Dr. David Werner Koelsch's office phone number?
The practice phone on file for Dr. Koelsch is (865) 835-1000.
What is Dr. David Werner Koelsch's medical license number?
Dr. Koelsch holds Tennessee license 47206, one of the licenses on file in 2 states.
Which states has Dr. David Werner Koelsch been licensed in?
Dmand AI has state licenses on file for Dr. Koelsch in Tennessee and Kentucky.
Which hospitals is Dr. David Werner Koelsch affiliated with?
Dr. Koelsch practices at Methodist Medical Center of Oak Ridge in Oak Ridge, Tennessee.
What medical group is Dr. David Werner Koelsch part of?
Dr. Koelsch is linked to Covenant Medical Group. Dmand AI links Dr. Koelsch to 1 more medical group.
Does Dr. David Werner Koelsch accept Medicare?
Yes. CMS data shows Dr. Koelsch billed Medicare for 332 services in 2024, and Dr. Koelsch accepts Medicare assignment.
How many Medicare patients does Dr. David Werner Koelsch see?
CMS counts 161 Medicare patients who saw Dr. Koelsch in 2024, with an average age of 75.
Show 5 more questionsShow fewer questions
What services does Dr. David Werner Koelsch bill to Medicare?
In 2024, Dr. Koelsch's most billed Medicare services were hospital inpatient care (99231), office visit, new patient (99204) and hospital inpatient care (99222).
Where did Dr. David Werner Koelsch go to medical school?
Dr. Koelsch graduated from University of Tennessee, Hsc, College of Medicine in 1996.
What drugs does Dr. David Werner Koelsch prescribe most?
In 2024 Medicare Part D data, Dr. Koelsch's most prescribed drugs by claims were Oxycodone HCl and Amoxicillin-Clavulanate Potass.
Has Dr. David Werner Koelsch received payments from drug or device companies?
CMS Open Payments shows $4,812 in general payments to Dr. Koelsch from 27 companies from 2016 to 2025. The largest total came from Allergan Inc.
How long has Dr. David Werner Koelsch been practicing?
Dr. Koelsch graduated from medical school in 1996, 30 years ago.
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