Mary Frohnauer, MD
NPI 1013018704 · Endocrinology, Diabetes & Metabolism Physician · La Crosse, WI
Mary Frohnauer, MD is a Endocrinology, Diabetes & Metabolism Physician provider in La Crosse, WI (NPI 1013018704).
Provider details
- NPI number
- 1013018704
- Entity type
- Individual
- Primary specialty
- Endocrinology, Diabetes & Metabolism PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 41046 (WI)
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
19 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
- 2006-09-26
- Last updated
- 2015-09-14
Frequently asked questions
- What is Mary Frohnauer's NPI number?
- Mary Frohnauer's National Provider Identifier (NPI) is 1013018704, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Frohnauer's specialty?
- Mary Frohnauer is listed in the NPPES registry with a primary specialty of Endocrinology, Diabetes & Metabolism Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Frohnauer located?
- Mary Frohnauer's practice location on file with NPPES is 1836 South Ave, La Crosse, WI 54601-5429.
- What is Mary Frohnauer's phone number?
- The practice phone number listed in the NPPES registry for Mary Frohnauer is (608) 775-2021.
- Is Mary Frohnauer's NPI active?
- Yes — Mary Frohnauer's NPI (1013018704) is active in the NPPES registry as of the last update on 2015-09-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.