Physician Profile
Jane Onken, M.D.
Unclaimed ProfileAbout Dr. Onken
Jane Onken, M.D. practices gastroenterology in Durham, NC. Jane is a 1987 graduate of George Washington University School of Medicine. Jane is also listed as specializing in internal medicine. Medicare claims data shows Jane provided 389 services to 341 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Specialty
Credentials & Licensing
Source: NPPES NPI Registry
Contact Information
- (919) 620-4467
- Email not available
Practice Locations
2100 ERWIN RD
Durham, NC 27710
Conditions Commonly Evaluated or Treated
Within Gastroenterology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Most searched conditions
- Acid reflux
- Celiac disease
- Crohn's disease
- Hemorrhoids
- IBS
- Swallowing difficulties
- Ulcerative colitis
Biliary and pancreas
Colon and anorectal
Esophagus and swallowing
Functional bowel and motility
Liver
- Ascites
- Autoimmune hepatitis
- Cirrhosis
- Fatty liver disease
- Hemochromatosis
- Hepatitis B
- Hepatitis C
- Portal hypertension
Stomach and duodenum
Bowel & Colon
Digestive Symptoms
Gallbladder & Bile Ducts
Procedures & services
Most searched procedures
Lower endoscopy
Upper endoscopy
Capsule and physiology testing
Diagnostic Testing
Liver procedures
Treatments
Procedures Most Often Billed to Medicare
389 services · 341 patients · 12 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Biopsy of large bowel using a flexible endoscope | Procedure | 45380 |
50 |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
32 |
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
14 |
| Measurement of hydrogen in breath to test for stomach and bowel symptoms | Treatment | 91065 |
25 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
85 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
62 |
| Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient' | Billing code | G2211 |
35 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
28 |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
18 |
| Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more | Office visit | 99215 |
16 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 1
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other gastroenterology specialists in Durham 8
Same specialty, same city.
More connections — 24 related providers in 3 groups
Trained at George Washington University School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1987 at George Washington University School of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of large bowel using a flexible endoscope 8
Providers in NC who bill this service to Medicare most often.
Common questions
What does Jane Onken specialize in?
Jane Onken is a gastroenterology in Durham, NC. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where is Jane Onken located?
Jane Onken is listed at 2100 Erwin Rd, Durham, NC 27710. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jane Onken's phone number?
The number on file is (919) 620-4467. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Jane Onken?
Jane Onken's National Provider Identifier is 1376613109. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Jane Onken train?
Jane Onken attended George Washington University School of Medicine, graduating in 1987. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Jane Onken have?
Jane Onken has 39 years experience. Calculated from a graduation year of 1987, reported in the CMS National Downloadable File.
CMS public data
What does Jane Onken do most often?
According to Medicare billing data, Jane Onken performs procedures including biopsy of large bowel using a flexible endoscope, removal of polyps or growths of large bowel using an endoscope with mechanical snare and biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope; provides treatments such as measurement of hydrogen in breath to test for stomach and bowel symptoms, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Jane Onken's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Jane Onken. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.