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ISABEL NELLEN DO
NPI 1508220344
Obstetrics & Gynecology in Madison, WI

Active since April 07, 2016PECOS EnrolledAccepts Medicare Assignment
5801 RESEARCH PARK BLVD STE 400, MADISON, WI 53719(608) 729-6300(608) 729-1099 Get Directions Write a Review

NPPES record last updated: October 11, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Oct 11, 2024, Nov 29, 2021, Jul 29, 2020 (3 updates tracked since 2020).

About Isabel Nellen Do NPPES

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

ISABEL NELLEN DO (NPI 1508220344) is an individual obstetrics & gynecology provider in Madison, Wisconsin, licensed in Wisconsin (69229) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS, is affiliated with University Of Wi Hospitals & Clinics Authority, and is a graduate of Other (2016).

NPPES Registry Identity

NPI1508220344
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameISABEL NELLENCredential: DO
Location Address5801 RESEARCH PARK BLVD STE 400Madison, WI 53719-6003
Mailing Address5801 Research Park Blvd Ste 400Madison, WI 53719-6003 · (608) 729-6300 · Fax (608) 729-1099
Phone(608) 729-6300
Fax(608) 729-1099
Sole ProprietorNo
Medical School CMSOtherGraduated 2016
Enumeration DateApril 7, 2016
Last NPPES UpdateOctober 11, 20243 updates tracked since enumeration
NPPES CertifiedOctober 11, 2024
✔ NPI 1508220344 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
License✔ Licensed in WI · 69229
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
5801 RESEARCH PARK BLVD STE 400, Madison, WI 53719
Open in Google Maps ↗

Other Names 1

Former Name (1)Isabel Rauguth

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Quartz.Insurance ›

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

Isabel Nellen Do 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 ID941549018
PECOS Enrollment IDI20201002000278
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.

University Of Wi Hospitals & Clinics Authority

Acute Care Hospitals · Madison, WI
4/5 CMS rating
OwnershipGovernment - Hospital District or Authority
CMS Certification Number520098
Location600 Highland AvenueMadison, WI 53792 · Dane County
Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 53719 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
$123.69 typical visit price
range $53.90 – $163.24
Typical copayment $30.92 (range $13.47 – $40.81)
Most-billed visit code 99204
Established Patient
$67.37 typical visit price
range $17.40 – $133.76
Typical copayment $16.84 (range $4.35 – $33.44)
Most-billed visit code 99213
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 4

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

JILL CISKE MS
Genetic Counselor, MS
5801 RESEARCH PARK BLVD STE 400
MADISON, WI 53719
Dane County (608) 729-6300
ASHLEY D. DURWARD MD
Obstetrics & Gynecology
5801 RESEARCH PARK BLVD STE 400
MADISON, WI 53719
Dane County (608) 729-6300
SARAH L JUZA MD
Obstetrics & Gynecology
5801 RESEARCH PARK BLVD STE 400
MADISON, WI 53719
Dane County (608) 729-6300
SHANNON R. WIXOM APRN
Nurse Practitioner (Family)
5801 RESEARCH PARK BLVD STE 400
MADISON, WI 53719
Dane County (608) 729-6344

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 Isabel Nellen's NPI number?

The NPI number for Isabel Nellen is 1508220344. It was assigned to this individual provider in the NPPES registry on April 7, 2016. The provider is also known as Isabel Rauguth.

Where is Isabel Nellen located?

Isabel Nellen practices at 5801 Research Park Blvd Ste 400, Madison, WI 53719. The listed phone number is (608) 729-6300.

What is Isabel Nellen's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Isabel Nellen enrolled in Medicare?

Yes. Isabel Nellen 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.

What insurance does Isabel Nellen accept?

Health plans from Anthem Blue Cross and Blue Shield and Quartz list Isabel Nellen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Isabel Nellen affiliated with any hospitals?

According to CMS data, Isabel Nellen is affiliated with University Of Wi Hospitals & Clinics Authority.

When was this NPI record last updated?

The NPPES record for Isabel Nellen was last updated on October 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.