IndividualActive
Douglas Duven, MD
NPI 1861445223 · Surgery Physician · Waterloo, IA
Douglas Duven, MD is a Surgery Physician provider in Waterloo, IA (NPI 1861445223).
Provider details
- NPI number
- 1861445223
- Entity type
- Individual
- Primary specialty
- Surgery PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 23463 (IA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
1731 W Ridgeway Ave
Ste 100
Waterloo, IA 50701-4591
Phone: (319) 833-6100
Fax: (319) 833-6102
Street-level locationGet directions
Mailing address
Po Box 2758
Waterloo, IA 50704-2758
Registry dates
- Enumerated
- 2006-05-18
- Last updated
- 2007-10-09
Frequently asked questions
- What is Douglas Duven's NPI number?
- Douglas Duven's National Provider Identifier (NPI) is 1861445223, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Duven's specialty?
- Douglas Duven is listed in the NPPES registry with a primary specialty of Surgery Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Duven located?
- Douglas Duven's practice location on file with NPPES is 1731 W Ridgeway Ave, Waterloo, IA 50701-4591.
- What is Douglas Duven's phone number?
- The practice phone number listed in the NPPES registry for Douglas Duven is (319) 833-6100.
- Is Douglas Duven's NPI active?
- Yes — Douglas Duven's NPI (1861445223) is active in the NPPES registry as of the last update on 2007-10-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.