Dr. Douglas Mark Duven, MD
- Medicare services, 2016
- 1,005
- Part D claims, 2017
- 19
- Hospital affiliations
- 1
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 3421 West Ninth Street, Waterloo, IA 50702
- Practice phone
- Call (319) 272-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Douglas Mark Duven is a general surgeon in Waterloo, Iowa
Dr. Duven practices at MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health.
Dr. Duven's NPI, 1861445223, was assigned on May 18, 2006. Dr. Duven holds Iowa license 23463.
- NPI
- 1861445223NPI Registry (opens in a new tab)
- NPI enumeration date
- May 18, 2006
- NPI status
- Active
- Practice phone
- (319) 272-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Douglas Mark Duven practices at MercyOne Waterloo Medical Center in Waterloo, Iowa
Dr. Duven's primary practice is MercyOne Waterloo Medical Center, at 3421 West Ninth Street, Waterloo, IA 50702 in Black Hawk County. The practice phone is (319) 272-8000.
- MercyOne Waterloo Medical Center3421 West Ninth Street, Waterloo, IA 50702 · Black Hawk CountyPhone(319) 272-8000
Source: Dmand AI Affiliation Data
Dr. Douglas Mark Duven is affiliated with 1 site of care
Dr. Duven's primary practice is MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Douglas Mark Duven's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Duven practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| MercyOne Waterloo Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Douglas Mark Duven is one of 317 general surgeons in Iowa
Surgery is Dr. Duven's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dr. Duven is licensed in Iowa.
Specialties and state licenses
- Surgery, IowaPrimary
General surgeons near Dr. Duven
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. Douglas Mark Duven billed Medicare for 1,005 services in 2016
CMS data shows 1,005 Medicare services from Dr. Duven across 8 procedure codes in 2016. Medicare paid $69,484 for them. Every service was in an office.
Dr. Duven's Medicare services by type, 2016
- Office and hospital visits687
- Imaging253
- Surgery65
Dr. Duven compared with the Iowa median for general surgeons, 2016
- Dr. Duven
- Iowa median
- Medicare services
- 1,005vs 1646.1 times
- Part D claims
- 19vs 4356% below
Medians across 332 general surgeons in Iowa with Dmand AI profiles that report each measure.
Dr. Duven's most billed Medicare procedure codes, 2016
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. Duven and other general surgeons in Iowa.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Douglas Mark Duven's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Dr. Duven's median patient age at 59, with 100% women.
Dr. Duven's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Douglas Mark Duven wrote 19 Medicare Part D claims in 2017
In 2017, Dr. Duven wrote 19 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $224 in total drug cost. In 2016, CMS named 139 claims across 4 drugs.
Dr. Duven's most prescribed drugs by claims, 2017
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2016 to 2017
- 2016
- 2017
- Claims for drugs CMS names
- 2016: 1392017: 1986%
Drugs named by CMS: 1 in 2017, 4 in 2016.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Sources for Dr. Douglas Mark Duven'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 Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab) |
| 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. Douglas Mark Duven
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. Douglas Mark Duven's NPI number?
Dr. Douglas Mark Duven's NPI number is 1861445223. It was assigned on May 18, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Douglas Mark Duven?
Dr. Douglas Mark Duven is a general surgeon in Waterloo, Iowa. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).
Where does Dr. Douglas Mark Duven practice?
Dr. Duven practices at 3421 West Ninth Street, Waterloo, IA 50702. Dr. Duven's primary practice is MercyOne Waterloo Medical Center in Waterloo, Iowa, part of Trinity Health.
What is Dr. Douglas Mark Duven's office phone number?
The practice phone on file for Dr. Duven is (319) 272-8000.
What is Dr. Douglas Mark Duven's medical license number?
Dr. Duven holds Iowa license 23463.
Which hospitals is Dr. Douglas Mark Duven affiliated with?
Dr. Duven practices at MercyOne Waterloo Medical Center in Waterloo, Iowa.
Does Dr. Douglas Mark Duven accept Medicare?
Yes. CMS data shows Dr. Duven billed Medicare for 1,005 services in 2016.
What services does Dr. Douglas Mark Duven bill to Medicare?
In 2016, Dr. Duven's most billed Medicare services were office visit, established patient (99213), ultrasound (76642) and office visit, new patient (99204).
What drugs does Dr. Douglas Mark Duven prescribe most?
In 2017 Medicare Part D data, Dr. Duven's most prescribed drugs by claims were Anastrozole.
How long has Dr. Douglas Mark Duven been practicing?
Dr. Duven's NPI was assigned in 2006.
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