Dr Darcy Sittig Majka, MD - Medicare Rheumatology in Westmont, IL

Dr Darcy Sittig Majka, MD is a medicare enrolled "Internal Medicine - Rheumatology" physician in Westmont, Illinois. She graduated from medical school in 1997 and has 27 years of diverse experience with area of expertise as Rheumatology. She is a member of the group practice Dupage Medical Group Ltd and her current practice location is 801 N Cass Ave Ste 300, Westmont, Illinois. You can reach out to her office (for appointments etc.) via phone at (630) 268-0200.

Dr Darcy Sittig Majka is licensed to practice in Illinois (license number 036109116) and she also participates in the medicare program. She accepts medicare assignments (which means she accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and her NPI Number is 1831206580.

Contact Information

Dr Darcy Sittig Majka, MD
801 N Cass Ave Ste 300,
Westmont, IL 60559-1193
(630) 268-0200
(630) 963-6579

Map and Direction




Physician's Profile

Full NameDr Darcy Sittig Majka
GenderFemale
SpecialityRheumatology
Experience27 Years
Location801 N Cass Ave Ste 300, Westmont, Illinois
Accepts Medicare AssignmentsYes. She accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Dr Darcy Sittig Majka graduated from medical school in 1997
  NPI Data:
  • NPI Number: 1831206580
  • Provider Enumeration Date: 08/25/2006
  • Last Update Date: 01/22/2021
  Medicare PECOS Information:
  • PECOS PAC ID: 3173420437
  • Enrollment ID: I20031215000840

Medical Identifiers

Medical identifiers for Dr Darcy Sittig Majka such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1831206580NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
207RR0500XInternal Medicine - Rheumatology 036109116 (Illinois)Primary

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
Dupage Medical Group Ltd54966679411186

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 Darcy Sittig Majka allows following entities to bill medicare on her behalf.
Entity NameNorthwestern Medical Faculty Foundation
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1346235314
PECOS PAC ID: 4587576814
Enrollment ID: O20031105000541
Entity NameDupage Medical Group Ltd
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1801833983
PECOS PAC ID: 5496667941
Enrollment ID: O20031110000535

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 Darcy Sittig Majka 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 Darcy Sittig Majka, MD
1860 Payshere Cir,
Chicago, IL 60674-0001

Ph: (630) 469-9200
Dr Darcy Sittig Majka, MD
801 N Cass Ave Ste 300,
Westmont, IL 60559-1193

Ph: (630) 268-0200

Reviews and Comments


Internal Medicine Doctors in Westmont, IL

Dr. Vasantha Samala, M.D.
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Phone: 630-789-9785    Fax: 630-789-9798
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Dr. Arnon E Rubin, MD
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Melwin Joseph, DO
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Phone: 630-528-3215    Fax: 630-528-3219
Vinay Arora, M.D.
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Practice Location: 303 W Ogden Ave Fl 3, Westmont, IL 60559
Phone: 630-435-6100    

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).

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