IndividualActive
Douglas Jergenson, MD
NPI 1689678344 · Internal Medicine Physician · Clinton, IA
Douglas Jergenson, MD is a Internal Medicine Physician provider in Clinton, IA (NPI 1689678344).
Provider details
- NPI number
- 1689678344
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 22254 (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
21 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
221 Main Ave
Clinton, IA 52732-2241
Phone: (563) 242-7522
Fax: (563) 242-7534
Street-level locationGet directions
Mailing address
221 Main Ave
Clinton, IA 52732-2241
Registry dates
- Enumerated
- 2005-06-10
- Last updated
- 2007-10-13
Frequently asked questions
- What is Douglas Jergenson's NPI number?
- Douglas Jergenson's National Provider Identifier (NPI) is 1689678344, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Jergenson's specialty?
- Douglas Jergenson is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Jergenson located?
- Douglas Jergenson's practice location on file with NPPES is 221 Main Ave, Clinton, IA 52732-2241.
- What is Douglas Jergenson's phone number?
- The practice phone number listed in the NPPES registry for Douglas Jergenson is (563) 242-7522.
- Is Douglas Jergenson's NPI active?
- Yes — Douglas Jergenson's NPI (1689678344) is active in the NPPES registry as of the last update on 2007-10-13.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.