Douglas Prager, M.D.
NPI 1780666099 · Internal Medicine Physician · Lake Winnebago, MO
Douglas Prager, M.D. is a Internal Medicine Physician provider in Lake Winnebago, MO (NPI 1780666099).
Provider details
- NPI number
- 1780666099
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 109766 (MO)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2005-11-14
- Last updated
- 2026-06-04
- Certified
- 2026-06-04
Frequently asked questions
- What is Douglas Prager's NPI number?
- Douglas Prager's National Provider Identifier (NPI) is 1780666099, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Prager's specialty?
- Douglas Prager is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Prager located?
- Douglas Prager's practice location on file with NPPES is 374 Southshore Dr, Lake Winnebago, MO 64034-9447.
- What is Douglas Prager's phone number?
- The practice phone number listed in the NPPES registry for Douglas Prager is (808) 679-7672.
- Is Douglas Prager's NPI active?
- Yes — Douglas Prager's NPI (1780666099) is active in the NPPES registry as of the last update on 2026-06-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.