Doctor profile · Federal record

Dr. Ellen Hartenbach, MD

Gynecologic Oncology Physician (CMS: Gynecological Oncology) · Madison, WI

  • NPI 1689640708
  • Accepts Medicare
  • 38 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
600 Highland Ave
Madison, WI 53792
(608) 265-1700
fax (608) 263-2201
Mailing address
7974 Uw Health CT
Middleton, WI 535625531

Credentials & registration

NPPES · NUCC
NPI registered
February 2006 — 20 yrs on file
Profile last updated
January 19, 2021
Year of graduation
1988 — 38 yrs since
Specialty taxonomy
207VX0201X — NUCC code
State license (1)
Wisconsin #37100

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689640708. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
62
Distinct HCPCS
2
Medicare allowed
$6,573
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 41 29 $91
99215 Established patient office or other outpatient visit, 40-54 minutes 21 17 $134

In context: peer comparison

Among 7 peers in Madison Gynecologic Oncology Physician, average services per provider: 57. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$43
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
GlaxoSmithKline, LLC. 1 $42.66

By nature of payment

Food and Beverage
$43

Frequently asked questions

Auto-generated from federal data
What is Dr. Ellen Hartenbach's medical specialty?
Dr. Ellen Hartenbach practices Gynecologic Oncology Physician in Madison, WI.
Where does Dr. Ellen Hartenbach practice?
Dr. Ellen Hartenbach practices at 600 Highland Ave, Madison, WI 53792. Office phone: 6082651700.
What is Dr. Ellen Hartenbach's NPI?
Dr. Ellen Hartenbach's National Provider Identifier (NPI) is 1689640708, issued by NPPES.
Does Dr. Ellen Hartenbach accept Medicare assignment?
Yes. Dr. Ellen Hartenbach accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ellen Hartenbach commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.