CAROLINE OLDENBURG FNP-C
NPI 1801317813
Nurse Practitioner in Madison, WI

Q: What is Caroline Oldenburg's NPI number?

The NPI number for Caroline Oldenburg is 1801317813. It was assigned to this individual provider in the NPPES registry on June 29, 2017. The provider is also known as Caroline Hartmann.

Q: What is Caroline Oldenburg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Active since June 29, 2017PECOS EnrolledAccepts Medicare Assignment

700 S PARK ST, MADISON, WI 53715(608) 251-6100(608) 229-7094 Get Directions Write a Review

NPPES record last updated: November 20, 2024. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Nov 20, 2024, Jan 14, 2022, Aug 15, 2019 and 3 more (6 updates tracked since 2017).

On this page

About Caroline Oldenburg Fnp-c NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CAROLINE OLDENBURG FNP-C (NPI 1801317813) is an individual nurse practitioner in Madison, Wisconsin, licensed in Wisconsin (14471-30) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - Madison, and is a graduate of Other (2017).

NPPES Registry Identity

NPI1801317813

Entity TypeIndividualFemale

Primary Taxonomy363L00000X

Provider Legal NameCAROLINE OLDENBURGCredential: FNP-C

Location Address700 S PARK STMadison, WI 53715-1830

Mailing Address700 S Park StMadison, WI 53715-1830 · (608) 251-6100 · Fax (608) 229-7094

Phone(608) 251-6100

Fax(608) 229-7094

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateJune 29, 2017

Last NPPES UpdateNovember 20, 20246 updates tracked since enumeration

NPPES CertifiedNovember 20, 2024

✔ NPI 1801317813 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363L00000X

License✔ Licensed in WI · 14471-30

Definition

(1) A registered nurse provider with a graduate degree in nursing prepared for advanced practice involving independent and interdependent decision making and direct accountability for clinical judgment across the health care continuum or in a certified specialty. (2) A registered nurse who has completed additional training beyond basic nursing education and who provides primary health care services in accordance with state nurse practice laws or statutes. Tasks performed by nurse practitioners vary with practice requirements mandated by geographic, political, economic, and social factors. Nurse practitioner specialists include, but are not limited to, family nurse practitioners, gerontological nurse practitioners, pediatric nurse practitioners, obstetric-gynecologic nurse practitioners, and school nurse practitioners.

700 S PARK ST, Madison, WI 53715

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Other Names 1

Former Name (1)Caroline Hartmann

Other Identifiers 1

Medicaid1801317813WI

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Caroline Oldenburg Fnp-c is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1557634821

PECOS Enrollment IDI20241126001412

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number520083

Location700 South Park StMadison, WI 53715 · Dane County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53715 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$82.92 typical visit price

range $53.90 – $163.24

Typical copayment $20.73 (range $13.47 – $40.81)

Most-billed visit code 99203

Established Patient

$95.41 typical visit price

range $17.40 – $133.76

Typical copayment $23.85 (range $4.35 – $33.44)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CHRISTOPHER DO

Physician Assistant

700 S PARK ST
MADISON, WI 53715

Dane County (608) 251-6100

JEREMI THOMAS OLSON PA-C

Physician Assistant (Surgical)

700 S PARK ST, DEAN ST. MARY'S OUTPATIENT CENTER
MADISON, WI 53715

Dane County (608) 260-2900

TIMOTHY J MORTON PA-C

Physician Assistant

700 S PARK ST, DEAN MEDICAL CENTER
MADISON, WI 53715

Dane County (608) 251-6100

STEPHEN H VANDER SLUIS

Anesthesiology

700 S PARK ST
MADISON, WI 53715

Dane County (608) 251-6100

BENJAMIN KLEIBER M.D.

Internal Medicine (Cardiovascular Disease)

700 S PARK ST, DEAN & ST. MARY'S OUTPATIENT CENTER
MADISON, WI 53715

Dane County (608) 260-2900

ERIN M MULLAN-TOWNS PA-C

Physician Assistant

700 S PARK ST
MADISON, WI 53715

Dane County (608) 260-2900

CONNIE SUE MCCULLICK APNP

Nurse Practitioner

700 S PARK ST
MADISON, WI 53715

Dane County (608) 251-6100

JUSTIN ALLEN LEHRKE CRNA

Nurse Anesthetist, Certified Registered

700 S PARK ST
MADISON, WI 53715

Dane County (608) 251-6100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Caroline Oldenburg's NPI number?

The NPI number for Caroline Oldenburg is 1801317813. It was assigned to this individual provider in the NPPES registry on June 29, 2017. The provider is also known as Caroline Hartmann.

Where is Caroline Oldenburg located?

Caroline Oldenburg practices at 700 S Park St, Madison, WI 53715. The listed phone number is (608) 251-6100.

What is Caroline Oldenburg's specialty?

The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.

Is Caroline Oldenburg enrolled in Medicare?

Yes. Caroline Oldenburg is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Caroline Oldenburg affiliated with any hospitals?

According to CMS data, Caroline Oldenburg is affiliated with Ssm Health St Mary's Hospital - Madison.

When was this NPI record last updated?

The NPPES record for Caroline Oldenburg was last updated on November 20, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.