Mary Mellenthin, APNP
NPI 1164890596 · Family Nurse Practitioner · Fond Du Lac, WI
Mary Mellenthin, APNP is a Family Nurse Practitioner provider in Fond Du Lac, WI (NPI 1164890596).
Provider details
- NPI number
- 1164890596
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- APNP
- Sex
- Female
- Sole proprietor
- No
- License
- 6501-33 (WI)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
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
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
- 2015-09-02
- Last updated
- 2020-12-07
- Certified
- 2020-12-07
Frequently asked questions
- What is Mary Mellenthin's NPI number?
- Mary Mellenthin's National Provider Identifier (NPI) is 1164890596, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Mellenthin's specialty?
- Mary Mellenthin is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Mellenthin located?
- Mary Mellenthin's practice location on file with NPPES is 912 S Hickory St, Fond Du Lac, WI 54935-5530.
- What is Mary Mellenthin's phone number?
- The practice phone number listed in the NPPES registry for Mary Mellenthin is (920) 907-3922.
- Is Mary Mellenthin's NPI active?
- Yes — Mary Mellenthin's NPI (1164890596) is active in the NPPES registry as of the last update on 2020-12-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.