Doctor profile · Federal record

Dr. Isabel Nellen, DO

Obstetrics & Gynecology Physician (CMS: Obstetrics/Gynecology) · Student in an Organized Health Care Education/Training Program · Madison, WI

  • NPI 1508220344
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5801 Research Park Blvd Ste 400
Madison, WI 537196003
(608) 729-6300
fax (608) 729-1099

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
October 11, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207V00000X — NUCC code
State license (1)
Wisconsin #69229

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1508220344. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$96
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Applied Medical Resources Corporation 1 $96.48

By nature of payment

Food and Beverage
$96

Frequently asked questions

Auto-generated from federal data
What is Dr. Isabel Nellen's medical specialty?
Dr. Isabel Nellen practices Obstetrics & Gynecology Physician in Madison, WI.
Where does Dr. Isabel Nellen practice?
Dr. Isabel Nellen practices at 5801 Research Park Blvd Ste 400, Madison, WI 537196003. Office phone: 6087296300.
What is Dr. Isabel Nellen's NPI?
Dr. Isabel Nellen's National Provider Identifier (NPI) is 1508220344, issued by NPPES.
Does Dr. Isabel Nellen accept Medicare assignment?
Yes. Dr. Isabel Nellen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.