Dr. Ellen M. Hartenbach, MD

  • Madison, WI
  • Gynecologic oncologist
NPI1689640708PAC ID8729123690
Medicare services, 2024
92
Medicare patients, 2024
45
Part D claims, 2024
40
Publications
58
Clinical trials
2
Practice address
600 Highland Ave, Madison, WI 53792
Practice phone
Call (608) 265-1978
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

University Health Services - Madison (Highland Ave)

College / University Student Health · Madison, Wisconsin

See all 3 affiliations

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Dr. Ellen M. Hartenbach is a gynecologic oncologist in Madison, Wisconsin

Dr. Hartenbach practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin.

Dr. Hartenbach's NPI, 1689640708, was assigned on February 28, 2006. Dr. Hartenbach graduated from University of Missouri School of Medicine in 1988. Dr. Hartenbach's Wisconsin license number on file is 37100.

NPI and contact details
Medicare PAC ID
8729123690
NPI enumeration date
February 28, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(608) 265-1978
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
64
Medical school graduation
1988

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Ellen M. Hartenbach practices at University Health Services - Madison (Highland Ave) in Madison, Wisconsin

Dr. Hartenbach's primary practice is University Health Services - Madison (Highland Ave), at 600 Highland Ave, Madison, WI 53792. The practice phone is (608) 265-1978.

  • University Health Services - Madison (Highland Ave)
    600 Highland Ave, Madison, WI 53792Phone(608) 265-1978

Source: Dmand AI Affiliation Data

Dr. Ellen M. Hartenbach is affiliated with 2 sites of care and 1 medical group

Dr. Hartenbach's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin. Dr. Hartenbach is also affiliated with University Hospital. The medical group on file is UW Health. Dr. Hartenbach's employer is on file too: a school & student health.

See all 3 affiliations for Dr. Hartenbach

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Ellen M. Hartenbach's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Hartenbach practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
University Health Services - Madison (Highland Ave)Available with a free account
+1 more affiliated siteAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Ellen M. Hartenbach is one of 29 gynecologic oncologists in Wisconsin

Gynecologic oncology is Dr. Hartenbach's primary specialty in the NPI Registry, under taxonomy code 207VX0201X. Dr. Hartenbach is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology. Dmand AI has Dr. Hartenbach's licenses on file in 2 states: Wisconsin and Minnesota.

Specialties and state licenses

  • Gynecologic oncology, WisconsinPrimaryLicense 37100 · 1995 to 2025 · taxonomy 207VX0201X
  • Minnesota license1992 to 1995

Clinical focus

Dmand AI lists hysterectomy among the conditions Dr. Hartenbach treats.

Gynecologic oncologists near Dr. Hartenbach

Counts of gynecologic oncologists with a Dmand AI profile, by place and practice. Each opens the list.

29gynecologic oncologists in Wisconsin
9gynecologic oncologists in Madison

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Dr. Ellen M. Hartenbach billed Medicare for 92 services in 2024

CMS data shows 92 Medicare services from Dr. Hartenbach across 3 procedure codes in 2024, for 45 Medicare patients. Medicare paid $6,266 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 202492
Medicare patients45
Paid by Medicare$6,266
Procedure codes3

Dr. Hartenbach's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 622024: 6810%
Other services
2023: 02024: 24

Dr. Hartenbach compared with the Wisconsin median for gynecologic oncologists, 2024

  • Dr. Hartenbach
  • Wisconsin median
Medicare services
92vs 15239% below
Medicare patients
45vs 9854% below
Part D claims
15vs 4768% below

Medians across 31 gynecologic oncologists in Wisconsin with Dmand AI profiles that report each measure.

Dr. Hartenbach's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Hartenbach

Need commercial claims for Dr. Hartenbach?

Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Hartenbach and other gynecologic oncologists in Wisconsin.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Ellen M. Hartenbach treated 45 Medicare patients in 2024, average age 74

CMS counts 45 Medicare patients who saw Dr. Hartenbach in 2024. The largest group is 65 to 74, with 22 patients. 64% of them have high blood pressure, and 53% have cancer. Their average risk score is 2.58, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Dr. Hartenbach's median patient age at 71, with 100% women.

Medicare patients, 202445
Average age74
Average risk score2.58

Dr. Hartenbach's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Chronic conditions among Dr. Hartenbach's Medicare patients, 2024

  1. High blood pressure64%
  2. Cancer53%
  3. High cholesterol51%
  4. Arthritis38%
  5. Anxiety33%
  6. Chronic kidney disease31%
  7. Mood disorders31%
  8. Depression29%

Share of Medicare patients with each condition. A patient can have several.

Dr. Hartenbach's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 71

Patient panel by sex, all payers

  • Women100%
  • Men0%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Ellen M. Hartenbach wrote 40 Medicare Part D claims in 2024

In 2024, Dr. Hartenbach wrote 40 Medicare Part D claims. 60% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $132 in total drug cost. In 2022, CMS named 35 claims across 2 drugs.

Part D claims, 202440
Drugs named by CMS1
Total drug cost$132

Dr. Hartenbach's Part D claims by kind of drug, 2024

  • Generic24 claims60%
  • Brand-name16 claims40%

Dr. Hartenbach's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2022 to 2024

  • 2022
  • 2024
Claims for drugs CMS names
2022: 352024: 1557%

Drugs named by CMS: 1 in 2024, 2 in 2022.

See all prescribing by Dr. Hartenbach

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Ellen M. Hartenbach scored 83 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 83 out of 100 for Dr. Hartenbach for performance year 2024, reported as part of a group. Dr. Hartenbach accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Hartenbach as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Dr. Hartenbach's MIPS scores, performance year 2024

  • 83of 100Final score
  • 87.8of 100Quality
  • 77of 100Promoting Interoperability
  • 40of 100Improvement Activities
  • 76of 100Cost

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026

For MedTech and pharma teams

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Dr. Ellen M. Hartenbach has 58 publications on record

Dmand AI links 58 papers to Dr. Hartenbach, published from 2006 to 2024. 2024 was the busiest year, with 3. The most frequent topics are Genital Neoplasms, Female, Ovarian Neoplasms and Endometrial Neoplasms. Dr. Hartenbach has published most often in Gynecol Oncol. Dr. Hartenbach's most frequent co-authors are Jonathan L. Carter, MD, Ahmed Numan Al-Niaimi, MD and Kristin A. Bradley, MD.

Papers58
Years published2006 to 2024

Dr. Hartenbach's papers by year, 2013 to 2024

Topics Dr. Hartenbach writes about most

  • Genital Neoplasms, Female
  • Ovarian Neoplasms
  • Endometrial Neoplasms
  • Postoperative Complications
  • Antineoplastic Combined Chemotherapy Protocols
  • Gynecologic Surgical Procedures
  • Uterine Cervical Neoplasms
  • Uterine Neoplasms

Dr. Hartenbach's most frequent co-authors

Recent publications by Dr. Hartenbach

See all 58 publications and co-authors

See who Dr. Hartenbach researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Hartenbach works with, so you can find a warm path to the right gynecologic oncologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Ellen M. Hartenbach has worked on 2 clinical trials

Dmand AI links Dr. Hartenbach to 2 clinical trials, 2 of them phase 3 studies. 1 is still active or recruiting. Conditions studied include Ovarian Neoplasms, Peritoneal Neoplasms and Abdominal Neoplasms.

Conditions in Dr. Hartenbach's trials

  • Ovarian Neoplasms
  • Peritoneal Neoplasms
  • Abdominal Neoplasms
  • Ovarian Diseases

Investigators on the most trials with Dr. Hartenbach

Recent clinical trials with Dr. Hartenbach

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Ellen M. Hartenbach received $108 in industry payments from 2018 to 2024

CMS Open Payments shows 2 general payments to Dr. Hartenbach from 2 drug and device companies from 2018 to 2024. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $65.

General payments to Dr. Hartenbach by program year, 2018 to 2024

Companies that paid Dr. Hartenbach the most, 2018 to 2024

Share is of all general payments to this clinician.

See all payments to Dr. Hartenbach

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Ellen M. Hartenbach has 2 awards and honors on record

Dmand AI lists 2 awards for Dr. Hartenbach, most recently ACOG Fellow in 2011.

Awards and honors for Dr. Hartenbach

  1. 2011
    • ACOG Fellow
  2. Undated
    • CMS Stage 1 EHR

Source: Dmand AI Professional Profile Data

Dr. Ellen M. Hartenbach graduated from University of Missouri School of Medicine

Dr. Hartenbach graduated from University of Missouri School of Medicine in 1988. Dr. Hartenbach is a member of American College of Obstetricians and Gynecologists.

  1. Medical schoolUniversity of Missouri School of Medicine
  2. Board certified in gynecologic oncologyAmerican Board of Obstetrics and Gynecology
  3. Board certified in obstetrics & gynecologyAmerican Board of Obstetrics and Gynecology

Source: Dmand AI Professional Profile Data

Dr. Ellen M. Hartenbach accepts plans from 15 insurance carriers

Dr. Hartenbach is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Aetna
  • Blue Cross Blue Shield of Michigan
  • United Healthcare
  • Aspirus Health Plan
  • Blue Cross Blue Shield of Massachusetts
  • HCSC
  • Humana
  • Molina
  • +7 more carriersWith a free account

Plan types Dr. Hartenbach accepts, by number of carriers

  1. HMO8
  2. Medicare8
  3. PPO8
  4. POS5
  5. EPO1
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Ellen M. Hartenbach's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Ellen M. Hartenbach

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Dr. Ellen M. Hartenbach's NPI number?

Dr. Ellen M. Hartenbach's NPI number is 1689640708. It was assigned on February 28, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Ellen M. Hartenbach?

Dr. Ellen M. Hartenbach is a gynecologic oncologist in Madison, Wisconsin. The primary specialty in the NPI Registry is Gynecologic Oncology Physician (taxonomy code 207VX0201X).

Where does Dr. Ellen M. Hartenbach practice?

Dr. Hartenbach practices at 600 Highland Ave, Madison, WI 53792. Dr. Hartenbach's primary practice is University Health Services - Madison (Highland Ave) in Madison, Wisconsin.

What is Dr. Ellen M. Hartenbach's office phone number?

The practice phone on file for Dr. Hartenbach is (608) 265-1978.

What is Dr. Ellen M. Hartenbach's medical license number?

Dr. Hartenbach's Wisconsin license number on file is 37100, one of the licenses on file in 2 states.

Which states has Dr. Ellen M. Hartenbach been licensed in?

Dmand AI has state licenses on file for Dr. Hartenbach in Wisconsin (1995 to 2025) and Minnesota (1992 to 1995).

Which hospitals is Dr. Ellen M. Hartenbach affiliated with?

Dr. Hartenbach is affiliated with University Hospital.

What medical group is Dr. Ellen M. Hartenbach part of?

Dr. Hartenbach is linked to UW Health.

Does Dr. Ellen M. Hartenbach accept Medicare?

Yes. CMS data shows Dr. Hartenbach billed Medicare for 92 services in 2024, and Dr. Hartenbach accepts Medicare assignment.

Does Dr. Ellen M. Hartenbach offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Hartenbach as offering telehealth services.

Show 11 more questionsShow fewer questions

What is Dr. Ellen M. Hartenbach's MIPS score?

Dr. Hartenbach's MIPS final score for performance year 2024 is 83 out of 100, reported as part of a group.

How many Medicare patients does Dr. Ellen M. Hartenbach see?

CMS counts 45 Medicare patients who saw Dr. Hartenbach in 2024, with an average age of 74.

Is Dr. Ellen M. Hartenbach board certified?

Yes. Dr. Hartenbach is board certified in gynecologic oncology by the American Board of Obstetrics and Gynecology.

What services does Dr. Ellen M. Hartenbach bill to Medicare?

In 2024, Dr. Hartenbach's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G2211).

Where did Dr. Ellen M. Hartenbach go to medical school?

Dr. Hartenbach graduated from University of Missouri School of Medicine in 1988.

What drugs does Dr. Ellen M. Hartenbach prescribe most?

In 2024 Medicare Part D data, Dr. Hartenbach's most prescribed drugs by claims were Ondansetron HCl.

Has Dr. Ellen M. Hartenbach received payments from drug or device companies?

CMS Open Payments shows $108 in general payments to Dr. Hartenbach from 2 companies from 2018 to 2024. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Ellen M. Hartenbach been practicing?

Dr. Hartenbach graduated from medical school in 1988, 38 years ago.

Does Dr. Ellen M. Hartenbach do research?

Dmand AI links 58 publications to Dr. Hartenbach, published from 2006 to 2024. Dr. Hartenbach has worked on 2 clinical trials.

Who does Dr. Ellen M. Hartenbach publish with?

Dr. Hartenbach's most frequent co-authors are Jonathan L. Carter, MD (8 shared papers), Ahmed Numan Al-Niaimi, MD (5 shared papers) and Kristin A. Bradley, MD (3 shared papers).

What insurance does Dr. Ellen M. Hartenbach accept?

Dr. Hartenbach is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 8. Check the plan with the practice before a visit.

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