Dr. Jane E. Onken, MD

  • Durham, NC
  • Gastroenterologist
NPI1376613109PAC ID6709894017
Medicare services, 2024
389
Medicare patients, 2024
219
Part D claims, 2024
619
Publications
13
Hospital affiliations
2
Practice address
2301 Erwin Rd, Durham, NC 27705
Practice phone
Call (919) 684-8111
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Duke University Hospital

Hospital · Durham, North Carolina

See all 4 affiliations

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Dr. Jane E. Onken is a gastroenterologist in Durham, North Carolina

Dr. Onken practices at Duke University Hospital in Durham, North Carolina, part of Duke University.

Dr. Onken's NPI, 1376613109, was assigned on November 9, 2006. Dr. Onken graduated from George Washington University School of Medicine in 1987. Dr. Onken holds North Carolina license 36789.

NPI and contact details
Medicare PAC ID
6709894017
NPI enumeration date
November 9, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(919) 684-8111
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Female
Estimated age
65
Medical school graduation
1987

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

Dr. Jane E. Onken practices at Duke University Hospital in Durham, North Carolina

Dr. Onken's primary practice is Duke University Hospital, at 2301 Erwin Rd, Durham, NC 27705 in Durham County. The practice phone is (919) 684-8111.

Source: Dmand AI Affiliation Data

Dr. Jane E. Onken is affiliated with 3 sites of care and 1 medical group

Dr. Onken's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dr. Onken is also affiliated with Duke Regional Hospital. The medical group on file is Duke Health Integrated Practice. Dmand AI also links Dr. Onken to 1 more group practice or clinic, named with a free account.

See all 4 affiliations for Dr. Onken

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

Dmand AI tracks the EHR system at Dr. Jane E. Onken's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Onken practices, 3 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Duke University HospitalAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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Dr. Jane E. Onken is one of 590 gastroenterologists in North Carolina

Gastroenterology is Dr. Onken's primary specialty in the NPI Registry, under taxonomy code 207RG0100X. Dr. Onken is licensed in North Carolina.

Specialties and state licenses

  • Gastroenterology, North CarolinaPrimaryLicense 36789 · taxonomy 207RG0100X

Gastroenterologists near Dr. Onken

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

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

Dr. Jane E. Onken billed Medicare for 389 services in 2024

CMS data shows 389 Medicare services from Dr. Onken across 9 procedure codes in 2024, for 219 Medicare patients. Medicare paid $25,649 for them.

Medicare services, 2024389
Medicare patients219
Paid by Medicare$25,649
Procedure codes9

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

  • 2023
  • 2024
Office and hospital visits
2023: 1432024: 1483%
Other services
2023: 02024: 120
Surgery
2023: 862024: 9612%
Tests and treatments
2023: 152024: 2567%

Where Dr. Onken's Medicare services took place, 2024

  • In an office20051%
  • In a facility18949%

Dr. Onken compared with the North Carolina median for gastroenterologists, 2024

  • Dr. Onken
  • North Carolina median
Medicare services
389vs 43811% below
Medicare patients
219vs 26818% below
Part D claims
443vs 40210% above

Medians across 567 gastroenterologists in North Carolina with Dmand AI profiles that report each measure.

Dr. Onken'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. Onken

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

Dr. Jane E. Onken treated 219 Medicare patients in 2024, average age 72

CMS counts 219 Medicare patients who saw Dr. Onken in 2024. The largest group is 65 to 74, with 91 patients. 68% of them have high blood pressure, and 67% have high cholesterol. 8% are also on Medicaid. Their average risk score is 1.75, 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. Onken's median patient age at 65, with 66% women.

Medicare patients, 2024219
Average age72
Average risk score1.75
Also on Medicaid8%

Dr. Onken's Medicare patients by age, 2024

Dr. Onken's Medicare patients by sex, 2024

  • Women13763%
  • Men8237%

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

  1. High blood pressure68%
  2. High cholesterol67%
  3. Arthritis53%
  4. Chronic kidney disease33%
  5. Anxiety30%
  6. Diabetes28%
  7. Ischemic heart disease26%
  8. Mood disorders26%

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

Dr. Onken's patients across all payers

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

Patient panel by age, all payers

Median age 65

Patient panel by sex, all payers

  • Women66%
  • Men34%

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

Dr. Jane E. Onken wrote 619 Medicare Part D claims in 2024

In 2024, Dr. Onken wrote 619 Medicare Part D claims for 140 patients. 71% of them were for generic drugs. CMS names the drug for 443 of them, across 14 drugs with 11 or more claims each, at $2,686,997 in total drug cost. In 2023, CMS named 339 claims across 12 drugs.

Part D claims, 2024619
Drugs named by CMS14
Total drug cost$2.7M
Part D patients140

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

  • Generic437 claims71%
  • Brand-name182 claims29%

Dr. Onken'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.

Drug classes CMS tracks in Dr. Onken's Part D claims, 2024

  • Antibiotics4%26 of 619 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 3392024: 44331%

Drugs named by CMS: 14 in 2024, 12 in 2023.

See all prescribing by Dr. Onken

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. Jane E. Onken ranks in the 64th percentile for colonoscopy in Medicare

Dr. Onken accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Onken as offering telehealth. CMS counts 51 procedures of colonoscopy by Dr. Onken, more than 64% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Onken ranks in Medicare procedure volume

Colonoscopy
64th percentile51 procedures
Upper gastrointestinal (GI) endoscopy for acid reflux
51st percentile21 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Jane E. Onken has 13 publications on record

Dmand AI links 13 papers to Dr. Onken, published from 2013 to 2024. 2021 was the busiest year, with 3. The most frequent topics are Clinical Competence, Education, Medical, Graduate and Gastroenterology. Dr. Onken has published most often in Clin Gastroenterol Hepatol. Dr. Onken's most frequent co-authors are Suzanne Rose, MD, Brijen J. Shah, MD and Janice Hsiao-Lun Jou, MD.

Papers13
Years published2013 to 2024

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

Topics Dr. Onken writes about most

  • Clinical Competence
  • Education, Medical, Graduate
  • Gastroenterology
  • Fellowships and Scholarships
  • Liver Transplantation

Dr. Onken's most frequent co-authors

Recent publications by Dr. Onken

See all 13 publications and co-authors

See who Dr. Onken researches with

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

How network discovery works

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

Dr. Jane E. Onken received $1,575 in industry payments in 2016

CMS Open Payments shows 5 general payments to Dr. Onken from 1 drug or device company in 2016. Consulting fees make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $1,575.

Companies that paid Dr. Onken the most, 2016 to 2016

Share is of all general payments to this clinician.

See all payments to Dr. Onken

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

Dr. Jane E. Onken graduated from George Washington University School of Medicine

Dr. Onken graduated from George Washington University School of Medicine in 1987.

  1. Medical schoolGeorge Washington University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Jane E. Onken'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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile 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. Jane E. Onken

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. Jane E. Onken's NPI number?

Dr. Jane E. Onken's NPI number is 1376613109. It was assigned on November 9, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Jane E. Onken?

Dr. Jane E. Onken is a gastroenterologist in Durham, North Carolina. The primary specialty in the NPI Registry is Gastroenterology Physician (taxonomy code 207RG0100X).

Where does Dr. Jane E. Onken practice?

Dr. Onken practices at 2301 Erwin Rd, Durham, NC 27705. Dr. Onken's primary practice is Duke University Hospital in Durham, North Carolina, part of Duke University. Dmand AI also links Dr. Onken to 1 group practice or clinic.

What is Dr. Jane E. Onken's office phone number?

The practice phone on file for Dr. Onken is (919) 684-8111.

What is Dr. Jane E. Onken's medical license number?

Dr. Onken holds North Carolina license 36789.

Which hospitals is Dr. Jane E. Onken affiliated with?

Dr. Onken practices at Duke University Hospital in Durham, North Carolina. Dr. Onken is also affiliated with Duke Regional Hospital.

What medical group is Dr. Jane E. Onken part of?

Dr. Onken is linked to Duke Health Integrated Practice.

Does Dr. Jane E. Onken accept Medicare?

Yes. CMS data shows Dr. Onken billed Medicare for 389 services in 2024, and Dr. Onken accepts Medicare assignment.

Does Dr. Jane E. Onken offer telehealth?

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

How many Medicare patients does Dr. Jane E. Onken see?

CMS counts 219 Medicare patients who saw Dr. Onken in 2024, with an average age of 72.

Show 7 more questionsShow fewer questions

What services does Dr. Jane E. Onken bill to Medicare?

In 2024, Dr. Onken's most billed Medicare services were medicare service (G2211), office visit, established patient (99215) and surgery: digestive system (45380).

Where did Dr. Jane E. Onken go to medical school?

Dr. Onken graduated from George Washington University School of Medicine in 1987.

What drugs does Dr. Jane E. Onken prescribe most?

In 2024 Medicare Part D data, Dr. Onken's most prescribed drugs by claims were Stelara, Famotidine and Omeprazole.

Has Dr. Jane E. Onken received payments from drug or device companies?

CMS Open Payments shows $1,575 in general payments to Dr. Onken from 1 company from 2016 to 2016. The largest total came from Merck Sharp & Dohme Corporation.

How long has Dr. Jane E. Onken been practicing?

Dr. Onken graduated from medical school in 1987, 39 years ago.

Does Dr. Jane E. Onken do research?

Dmand AI links 13 publications to Dr. Onken, published from 2013 to 2024.

Who does Dr. Jane E. Onken publish with?

Dr. Onken's most frequent co-authors are Suzanne Rose, MD (4 shared papers), Brijen J. Shah, MD (4 shared papers) and Janice Hsiao-Lun Jou, MD (3 shared papers).

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