IndividualActive
Mary Gengler, FNP
NPI 1003271636 · Family Nurse Practitioner · Sioux City, IA
Provider details
- NPI number
- 1003271636
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 076492 (IA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
Detailed profile(77/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
3500 Singing Hills Blvd Ste 200
Sioux City, IA 51106-5127
Phone: (605) 217-7246
Fax: (605) 217-4878
Street-level locationGet directions
Mailing address
3500 Singing Hills Blvd
Sioux City, IA 51106-5127
Additional practice locations (1)
- 46786 120th StRemsen, IA 51050-8834Phone: (605) 595-7735
Registry dates
- Enumerated
- 2015-12-26
- Last updated
- 2022-07-21
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.