Physician Profile
Jaroslav Zivny, M.D.
Unclaimed ProfileAbout Dr. Zivny
Jaroslav Zivny, M.D. practices gastroenterology in Worcester, MA. According to Medicare claims data, Jaroslav cared for 605 Medicare patients across 722 services. The services billed most often include biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, review by radiologist of image from tube placement into bile duct using an endoscope, and removal of stone or debris from bile or pancreatic duct using a flexible endoscope. The provider's National Provider Identifier (NPI) is 1144203076.
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
- (508) 856-8399
- Email not available
Practice Locations
55 LAKE AVE N DEPARTMENT OF GASTROENTEROLOGY
Worcester, MA 01655
21 Eastern Ave
Worcester, MA 01605
157 Union St
Marlborough, MA 01752
119 Belmont St
Worcester, MA 01605
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
722 services · 605 patients · 21 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43239 |
93 | More often than most peers in Gastroenterology |
| Removal of stone or debris from bile or pancreatic duct using a flexible endoscope | Procedure | 43264 |
61 | More than most peers in Gastroenterology |
| Insertion of stent into pancreatic or bile duct using a flexible endoscope | Procedure | 43274 |
50 | More than most peers in Gastroenterology |
| Ultrasound exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope through mouth | Procedure | 43237 |
48 | More often than most peers in Gastroenterology |
| Ultrasound guided needle aspiration or biopsy of esophagus using a flexible endoscope | Procedure | 43238 |
46 | More often than most peers in Gastroenterology |
| Removal of tissue lining of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43254 |
43 | More than most peers in Gastroenterology |
| Removal of polyps or growths of large bowel using an endoscope with mechanical snare | Procedure | 45385 |
34 | As often as other peers in Gastroenterology |
| Destruction of polyp or growth of esophagus, stomach, and/or upper small bowel using a flexible endoscope | Procedure | 43270 |
31 | More often than most peers in Gastroenterology |
| Removal of large bowel tissue using a flexible endoscope | Procedure | 45390 |
23 | More often than most peers in Gastroenterology |
| Replacement of stent in pancreatic or bile duct using a flexible endoscope | Procedure | 43276 |
23 | As often as other 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 3
Same specialty, same street address — most likely the same department or group.
Related specialists at this location 3
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 — 29 related providers in 4 groups
Other gastroenterologists in Worcester 5
Same specialty, same city.
Trained at Other 8
Other providers in the same specialty who trained at the same institution.
Class of 1995 at Other 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 MA who bill this service to Medicare most often.
Common questions
What does Jaroslav Zivny specialize in?
Jaroslav Zivny is a gastroenterologist in Worcester, MA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Gastroenterology”.
NPI registry
Where is Jaroslav Zivny located?
Jaroslav Zivny is listed at 55 Lake Ave N Department of Gastroenterology, Worcester, MA 01655. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Jaroslav Zivny's phone number?
The number on file is (508) 856-8399. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Jaroslav Zivny's NPI number?
Jaroslav Zivny's National Provider Identifier is 1144203076. 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 Jaroslav Zivny train?
Jaroslav Zivny attended Other, graduating in 1995. This comes from the CMS National Downloadable File.
CMS public data
How long has Jaroslav Zivny been practicing?
Jaroslav Zivny has 31 years experience. Calculated from a graduation year of 1995, reported in the CMS National Downloadable File.
CMS public data
What does Jaroslav Zivny do most often?
According to Medicare billing data, Jaroslav Zivny performs procedures including biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope, removal of stone or debris from bile or pancreatic duct using a flexible endoscope and insertion of stent into pancreatic or bile duct using a flexible endoscope; reads or performs imaging such as review by radiologist of image from tube placement into bile duct using an endoscope and review by radiologist of bile and/or pancreatic duct image during surgery, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Jaroslav Zivny confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Jaroslav Zivny. If this is you, claiming it is free.
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