Caroline Oldenburg, FNP-C
NPI 1801317813 · Nurse Practitioner · Madison, WI
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Caroline Oldenburg, FNP-C is a Nurse Practitioner provider in Madison, WI (NPI 1801317813).
Provider details
- NPI number
- 1801317813
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- FNP-C
- Sex
- Female
- Sole proprietor
- No
- License
- 14471-30 (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
8 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
- 2017-06-29
- Last updated
- 2024-11-20
- Certified
- 2024-11-20
Frequently asked questions
- What is Caroline Oldenburg's NPI number?
- Caroline Oldenburg's National Provider Identifier (NPI) is 1801317813, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Caroline Oldenburg's specialty?
- Caroline Oldenburg is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Caroline Oldenburg located?
- Caroline Oldenburg's practice location on file with NPPES is 700 S Park St, Madison, WI 53715-1830.
- What is Caroline Oldenburg's phone number?
- The practice phone number listed in the NPPES registry for Caroline Oldenburg is (608) 251-6100.
- Does Caroline Oldenburg accept Medicare?
- Caroline Oldenburg is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Caroline Oldenburg's NPI active?
- Yes — Caroline Oldenburg's NPI (1801317813) is active in the NPPES registry as of the last update on 2024-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.