Dennis Hartung, MD
NPI 1124090543 · Obstetrics & Gynecology Physician · Baldwin, WI
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dennis Hartung, MD is a Obstetrics & Gynecology Physician provider in Baldwin, WI (NPI 1124090543).
Provider details
- NPI number
- 1124090543
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 48108-020 (WI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
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
- 2006-02-02
- Last updated
- 2021-12-30
- Certified
- 2021-12-30
Frequently asked questions
- What is Dennis Hartung's NPI number?
- Dennis Hartung's National Provider Identifier (NPI) is 1124090543, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Dennis Hartung's specialty?
- Dennis Hartung is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Dennis Hartung located?
- Dennis Hartung's practice location on file with NPPES is 1100 Bergslien St, Baldwin, WI 54002-2600.
- What is Dennis Hartung's phone number?
- The practice phone number listed in the NPPES registry for Dennis Hartung is (715) 684-1111.
- Does Dennis Hartung accept Medicare?
- Dennis Hartung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Dennis Hartung's NPI active?
- Yes — Dennis Hartung's NPI (1124090543) is active in the NPPES registry as of the last update on 2021-12-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.