Dr Andrew Mazulis, MD - Medicare Gastroenterology in Libertyville, IL

Dr Andrew Mazulis, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Libertyville, Illinois. He graduated from medical school in 2012 and has 12 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Advocate Health And Hospitals Corporation, Froedtert South Inc and his current practice location is 825 S Milwaukee Ave, Libertyville, Illinois. You can reach out to his office (for appointments etc.) via phone at (847) 573-2845.

Dr Andrew Mazulis is licensed to practice in Illinois (license number 036-135984) 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 1699031583.

Contact Information

Dr Andrew Mazulis, MD
825 S Milwaukee Ave,
Libertyville, IL 60048-3218
(847) 573-2845
Not Available

Map and Direction




Physician's Profile

Full NameDr Andrew Mazulis
GenderMale
SpecialityGastroenterology
Experience12 Years
Location825 S Milwaukee Ave, Libertyville, Illinois
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:
  • Dr Andrew Mazulis graduated from medical school in 2012
  NPI Data:
  • NPI Number: 1699031583
  • Provider Enumeration Date: 04/05/2012
  • Last Update Date: 01/05/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 0042515595
  • Enrollment ID: I20160613001104

Medical Identifiers

Medical identifiers for Dr Andrew Mazulis such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1699031583NPI-NPPES
69801-20OtherWILICENSE
1699031583MedicaidWI

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207R00000XInternal Medicine 1699031583 (Illinois)Secondary
207RG0100XInternal Medicine - Gastroenterology 69801-20 (Wisconsin)Secondary
207RG0100XInternal Medicine - Gastroenterology 036-135984 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
United Hospital SystemKenosha, WIHospital
Advocate Condell Medical CenterLibertyville, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Advocate Health And Hospitals Corporation78108009352422
Froedtert South Inc9537071196118

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Andrew Mazulis allows following entities to bill medicare on his behalf.
Entity NameAdvocate Health And Hospitals Corporation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1700824455
PECOS PAC ID: 7810800935
Enrollment ID: O20031106000064
Entity NameBest Practices Inpatient Care, Ltd.
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1619913522
PECOS PAC ID: 5799687372
Enrollment ID: O20040123000525

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. Dr Andrew Mazulis 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
Dr Andrew Mazulis, MD
29373 Network Pl,
Chicago, IL 60673-1293

Ph: (847) 390-5900
Dr Andrew Mazulis, MD
825 S Milwaukee Ave,
Libertyville, IL 60048-3218

Ph: (847) 573-2845

Reviews and Comments


Internal Medicine Doctors in Libertyville, IL

Dr. George R Hvostik, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1860 W Winchester Rd Ste 107b, Libertyville, IL 60048
Phone: 847-996-0836    Fax: 847-996-6278
Kalpana Puppala Bicknell, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 801 S. Milwaukee Ave., Advocate Condell Medical Center, Libertyville, IL 60048
Phone: 847-990-5260    Fax: 847-362-8031
Dr. Rani Sharma, M.D.
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 131 E Park Ave, Suite # 103, Libertyville, IL 60048
Phone: 847-968-2800    Fax: 847-968-2801
Dr. Ahmad Mohamed Hassan, MD
Gastroenterology
Medicare: Medicare Enrolled
Practice Location: 825 S Milwaukee Ave, Libertyville, IL 60048
Phone: 847-573-2845    
Kenneth R Margules, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 755 S Milwaukee Ave, Suite 250, Libertyville, IL 60048
Phone: 847-367-0072    Fax: 847-367-0876
Dr. Robert B Johnson, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 755 S. Milwaukee Avenue, Suite 263, Libertyville, IL 60048
Phone: 847-918-1500    Fax: 847-918-1500
Maan Barhoum, M.D.
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 755 S Milwaukee Ave, Suite 186, Libertyville, IL 60048
Phone: 847-573-9455    Fax: 847-573-9456

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.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.