Helen Mussemann, M.D.
NPI 1255387692 · Obstetrics & Gynecology Physician · Belleville, IL
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Helen Mussemann, M.D. is a Obstetrics & Gynecology Physician provider in Belleville, IL (NPI 1255387692).
Provider details
- NPI number
- 1255387692
- Entity type
- Individual
- Primary specialty
- Obstetrics & Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 036102312 (IL)
Specialties & taxonomies
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
- 2006-05-26
- Last updated
- 2008-03-19
Frequently asked questions
- What is Helen Mussemann's NPI number?
- Helen Mussemann's National Provider Identifier (NPI) is 1255387692, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Helen Mussemann's specialty?
- Helen Mussemann is listed in the NPPES registry with a primary specialty of Obstetrics & Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Helen Mussemann located?
- Helen Mussemann's practice location on file with NPPES is 180 S 3rd St, Belleville, IL 62220-1952.
- What is Helen Mussemann's phone number?
- The practice phone number listed in the NPPES registry for Helen Mussemann is (618) 233-0017.
- Does Helen Mussemann accept Medicare?
- Helen Mussemann is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Helen Mussemann's NPI active?
- Yes — Helen Mussemann's NPI (1255387692) is active in the NPPES registry as of the last update on 2008-03-19.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.