Wei Ming Sun, MD - Medicare Gastroenterology in Elgin, IL

Wei Ming Sun, MD is a medicare enrolled "Internal Medicine - Gastroenterology" physician in Elgin, Illinois. He graduated from medical school in 1983 and has 41 years of diverse experience with area of expertise as Gastroenterology. He is a member of the group practice Illinois Gastroenterology Group Llc and his current practice location is 745 Fletcher Dr Ste 202, Elgin, Illinois. You can reach out to his office (for appointments etc.) via phone at (847) 888-1300.

Wei Ming Sun is licensed to practice in Illinois (license number 36115607) 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 1164487450.

Contact Information

Wei Ming Sun, MD
745 Fletcher Dr Ste 202,
Elgin, IL 60123-4749
(847) 888-1300
(847) 888-1341

Map and Direction




Physician's Profile

Full NameWei Ming Sun
GenderMale
SpecialityGastroenterology
Experience41 Years
Location745 Fletcher Dr Ste 202, Elgin, 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:
  • Wei Ming Sun graduated from medical school in 1983
  NPI Data:
  • NPI Number: 1164487450
  • Provider Enumeration Date: 04/19/2006
  • Last Update Date: 01/19/2023
  Medicare PECOS Information:
  • PECOS PAC ID: 6406866250
  • Enrollment ID: I20060425000273

Medical Identifiers

Medical identifiers for Wei Ming Sun such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1164487450NPI-NPPES
36115607MedicaidIL
P00320127OtherILRAILROAD MEDICARE

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RG0100XInternal Medicine - Gastroenterology 36115607 (Illinois)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Advocate Sherman HospitalElgin, ILHospital
Presence Saint Joseph Hospital - ElginElgin, ILHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Illinois Gastroenterology Group Llc5193857423121

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. Wei Ming Sun allows following entities to bill medicare on his behalf.
Entity NameIllinois Gastroenterology Group Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1316277817
PECOS PAC ID: 5193857423
Enrollment ID: O20100721000790

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. Wei Ming Sun 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
Wei Ming Sun, MD
745 Fletcher Dr Ste 202,
Elgin, IL 60123-4749

Ph: (847) 244-6320
Wei Ming Sun, MD
745 Fletcher Dr Ste 202,
Elgin, IL 60123-4749

Ph: (847) 888-1300

Reviews and Comments


Internal Medicine Doctors in Elgin, IL

Aamir A Memon, M.D.
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Medicare: Accepting Medicare Assignments
Practice Location: 1710 N Randall Rd Ste 330, Elgin, IL 60123
Phone: 847-531-5911    Fax: 847-531-5922
Dr. Vanessa Alvarez, M.D.
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Practice Location: 1710 N Randall Rd Ste 260, Elgin, IL 60123
Phone: 847-931-7900    
Jeffrey Louis Garb, M.D.
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Medicare: Medicare Enrolled
Practice Location: 1710 N. Randall Rd., Suite 250, Elgin, IL 60123
Phone: 847-888-1914    Fax: 847-888-1925
Dr. Rajini Manjunath, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1710 N Randall Rd, Ste 300, Elgin, IL 60123
Phone: 847-931-0909    Fax: 847-931-0939
Dr. Wesley Daniel Roberts, MD
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Medicare: Accepting Medicare Assignments
Practice Location: 1425 N Randall Rd, Elgin, IL 60123
Phone: 224-783-8998    
Dr. Timothy Wang, MD
Gastroenterology
Medicare: Not Enrolled in Medicare
Practice Location: 2000 Larkin Ave, #100, Elgin, IL 60123
Phone: 847-888-2320    Fax: 847-888-2591
Archana Goel, MD
Gastroenterology
Medicare: Accepting Medicare Assignments
Practice Location: 1710 N Randall Rd Ste 200, Elgin, IL 60123
Phone: 847-214-5740    

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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