Physician Profile
Kathryn R. Byrne, M.D.
Unclaimed ProfileAbout Dr. Byrne
Based in Milwaukee, WI, Kathryn R. Byrne, M.D. is listed in the NPI registry under gastroenterology. Kathryn graduated from University of Texas Medical School at Houston in 2002. Kathryn is also listed as specializing in internal medicine. According to Medicare claims data, Kathryn cared for 61 Medicare patients across 71 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes, and established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more. NPI 1225054364 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (414) 955-6895
- Email not available
Practice Locations
9200 W WISCONSIN AVE DIVISION OF GASTROENTEROLOGY
Milwaukee, WI 53226
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
71 services · 61 patients · 3 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
40 | Less often than most peers in Gastroenterology |
| Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | Office visit | 99223 |
17 | Less often than most peers in Gastroenterology |
| Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more | Office visit | 99214 |
14 | Less often than most peers in Gastroenterology |
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.
Other gastroenterologists at this location 1
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 2
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.
More connections — 31 related providers in 4 groups
Other gastroenterologists in Milwaukee 7
Same specialty, same city.
Trained at University of Texas Medical School at Houston 8
Other providers in the same specialty who trained at the same institution.
Class of 2002 at University of Texas Medical School at Houston 8
Providers who graduated from the same medical school in the same year.
Also performs Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 8
Providers in WI who bill this service to Medicare most often.
Common questions
What kind of doctor is Kathryn R. Byrne?
Kathryn R. Byrne is a gastroenterologist in Milwaukee, WI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
What is Kathryn R. Byrne's address?
Kathryn R. Byrne is listed at 9200 W Wisconsin Ave Division of Gastroenterology, Milwaukee, WI 53226. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Kathryn R. Byrne?
The number on file is (414) 955-6895. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Kathryn R. Byrne's NPI number?
Kathryn R. Byrne's National Provider Identifier is 1225054364. 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 Kathryn R. Byrne train?
Kathryn R. Byrne attended University of Texas Medical School at Houston, graduating in 2002. This comes from the CMS National Downloadable File.
CMS public data
How long has Kathryn R. Byrne been practicing?
Kathryn R. Byrne has 24 years experience. Calculated from a graduation year of 2002, reported in the CMS National Downloadable File.
CMS public data
What procedures does Kathryn R. Byrne perform?
According to Medicare billing data, Kathryn R. Byrne performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Kathryn R. Byrne confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Kathryn R. Byrne. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.