Marilyn Ostendorf, N.P.
NPI 1255507950 · Family Nurse Practitioner · Fort Branch, IN
Marilyn Ostendorf, N.P. is a Family Nurse Practitioner provider in Fort Branch, IN (NPI 1255507950).
Provider details
- NPI number
- 1255507950
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- N.P.
- Sex
- Female
- Sole proprietor
- No
- License
- 71002503A (IN)
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
18 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
- 2008-05-02
- Last updated
- 2008-05-02
Frequently asked questions
- What is Marilyn Ostendorf's NPI number?
- Marilyn Ostendorf's National Provider Identifier (NPI) is 1255507950, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marilyn Ostendorf's specialty?
- Marilyn Ostendorf is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marilyn Ostendorf located?
- Marilyn Ostendorf's practice location on file with NPPES is 123 N Mccreary St, Fort Branch, IN 47648-1313.
- What is Marilyn Ostendorf's phone number?
- The practice phone number listed in the NPPES registry for Marilyn Ostendorf is (812) 753-1039.
- Is Marilyn Ostendorf's NPI active?
- Yes — Marilyn Ostendorf's NPI (1255507950) is active in the NPPES registry as of the last update on 2008-05-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.