JAROSLAV ZIVNY M.D.
NPI 1144203076
Internal Medicine - Gastroenterology in Worcester, MA
About Jaroslav Zivny M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JAROSLAV ZIVNY M.D. (NPI 1144203076) is an individual gastroenterology provider in Worcester, Massachusetts, licensed in Massachusetts (209607) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS, is affiliated with Lakeland Regional Medical Center, and maintains 3 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Jaroslav Zivny M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Jaroslav Zivny reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Worcester, MA 01655
- Reassigned Medicare billing, Massachusetts enrollment
- 2,902 clinicians in this Medicare group
Bedford, NH 03110
- Reassigned Medicare billing, New Hampshire enrollment
- Medicare enrollment name: Catholic Medical Center
- 86 clinicians in this Medicare group
Augusta, ME 04330
- Reassigned Medicare billing, Maine enrollment
- 978 clinicians in this Medicare group
Lakeland, FL 33805
- Reassigned Medicare billing, Florida enrollment
- 740 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 21
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lakeland Regional Medical Center
Acute Care Hospitals · Lakeland, FLUmass Memorial Healthalliance Hospitals
Acute Care Hospitals · Leominster, MAUmass Memorial Healthcare-Marlborough Hospital
Acute Care Hospitals · Marlborough, MAMilford Regional Medical Center
Acute Care Hospitals · Milford, MAUmass Memorial Medical Center/University Campus
Acute Care Hospitals · Worcester, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01655 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WORCESTER, MA 01655
WORCESTER, MA 01655
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Jaroslav Zivny's NPI number?
The NPI number for Jaroslav Zivny is 1144203076. It was assigned to this individual provider in the NPPES registry on November 23, 2005.
Where is Jaroslav Zivny located?
Jaroslav Zivny practices at 55 Lake Ave N Department Of Gastroenterology, Worcester, MA 01655. The listed phone number is (508) 856-8399.
What is Jaroslav Zivny's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.
Is Jaroslav Zivny enrolled in Medicare?
Yes. Jaroslav Zivny is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Jaroslav Zivny's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jaroslav Zivny reassigns Medicare benefits to 4 organizations: Umass Memorial Medical Group Inc (Worcester, MA), Cmc D/B/A Urgent Care At Bedford Medical Park (Bedford, NH), Mainegeneral Medical Center (Augusta, ME) and Lakeland Regional Health Systems, Inc. (Lakeland, FL). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jaroslav Zivny's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jaroslav Zivny accept?
Health plans from Anthem Blue Cross and Blue Shield, Florida Blue (BlueCross BlueShield FL), Florida Blue HMO (a BlueCross BlueShield FL company), Molina Healthcare and Taro Health list Jaroslav Zivny as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Jaroslav Zivny affiliated with any hospitals?
According to CMS data, Jaroslav Zivny is affiliated with Lakeland Regional Medical Center, Umass Memorial Healthalliance Hospitals, Umass Memorial Healthcare-Marlborough Hospital, Milford Regional Medical Center and Umass Memorial Medical Center/University Campus.
When was this NPI record last updated?
The NPPES record for Jaroslav Zivny was last updated on October 28, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.