John K Zawacki, MD - Medicare in Worcester, MA

John K Zawacki, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Worcester, Massachusetts. His current practice location is 55 Lake Ave N, Department Of Gastroenterology, Worcester, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (508) 856-3069.

John K Zawacki is licensed to practice in Massachusetts (license number 57172) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1215910427.

Contact Information

John K Zawacki, MD
55 Lake Ave N, Department Of Gastroenterology,
Worcester, MA 01655-0002
(508) 856-3069
Not Available

Map and Direction




Physician's Profile

Full NameJohn K Zawacki
GenderMale
Speciality
Experience Years
Location55 Lake Ave N, Worcester, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • John K Zawacki attended and graduated from in
  NPI Data:
  • NPI Number: 1215910427
  • Provider Enumeration Date: 11/22/2005
  • Last Update Date: 10/30/2020
  Medicare PECOS Information:
  • PECOS PAC ID:
  • Enrollment ID:

Medical Identifiers

Medical identifiers for John K Zawacki such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1215910427NPI-NPPES
110036247AMedicaidMA

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 57172 (Massachusetts)Primary

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. John K Zawacki is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
John K Zawacki, MD
Po Box 415348,
Boston, MA 02241-5348

Ph: () -
John K Zawacki, MD
55 Lake Ave N, Department Of Gastroenterology,
Worcester, MA 01655-0002

Ph: (508) 856-3069

Reviews and Comments


Internal Medicine Doctors in Worcester, MA

Dr. Adepeju Gbadebo Champion, M.D.
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Medicare: Not Enrolled in Medicare
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-2731    Fax: 774-442-4672
Madaiah Lokeshwari, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-6849    
Sowmya Korapati,
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Medicare: Accepting Medicare Assignments
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-3550    Fax: 774-442-6715
Irma Hashmi, DO
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Medicare: Medicare Enrolled
Practice Location: 55 Lake Ave N, Worcester, MA 01655
Phone: 508-334-1000    
Dr. Madhav Sharma, MD
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Medicare: Medicare Enrolled
Practice Location: 123 Summer St, Worcester, MA 01608
Phone: 508-363-5438    
Daniel M Steigman, MD
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Medicare: Medicare Enrolled
Practice Location: 123 Summer Street, Suite 390, Worcester, MA 01608
Phone: 508-368-3120    Fax: 508-368-3121
Dr. Julia D Andrieni, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 55 Lake Ave N, Department Of General Medicine, Worcester, MA 01655
Phone: 508-334-2731    

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

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