DR. DARCY SITTIG MAJKA MD
NPI 1831206580
Internal Medicine - Rheumatology in Westmont, IL

Active since August 25, 2006PECOS EnrolledAccepts Medicare Assignment
801 N CASS AVE STE 300, WESTMONT, IL 60559(630) 268-0200(630) 963-6579 Get Directions Write a Review

NPPES record last updated: January 22, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Jan 22, 2021, Jun 27, 2017 (2 updates tracked since 2017).

About Dr. Darcy Sittig Majka Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. DARCY SITTIG MAJKA MD (NPI 1831206580) is an individual rheumatology provider in Westmont, Illinois, licensed in Illinois (036109116) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS, is affiliated with Advocate Good Samaritan Hospital, and is a graduate of Other (1997).

NPPES Registry Identity

NPI1831206580
Entity TypeIndividualFemale
Primary Taxonomy207RR0500X
Provider Legal NameDR. DARCY SITTIG MAJKACredential: MD
Location Address801 N CASS AVE STE 300Westmont, IL 60559-1193
Mailing Address1860 Payshere CirChicago, IL 60674-0001 · (630) 469-9200
Fax(630) 963-6579
Sole ProprietorNo
Medical School CMSOtherGraduated 1997
Enumeration DateAugust 25, 2006
Last NPPES UpdateJanuary 22, 20212 updates tracked since enumeration
NPPES CertifiedJanuary 22, 2021
NPI 1831206580 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · RheumatologyAllopathic & Osteopathic Physicians
Taxonomy Code207RR0500X
License Licensed in IL · 036109116
Definition

An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

801 N CASS AVE STE 300, Westmont, IL 60559

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Darcy Sittig Majka Md 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.

PECOS PAC ID3173420437
PECOS Enrollment IDI20031215000840
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 30

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.

Injection, certolizumab pegol, 1 mg (code may be used for medicare when drug administered under the direct supervision of a physician, not for use when drug is self administered) J0717
Certolizumab pegol is a medication injected under a doctor's supervision. It's used to treat certain inflammatory conditions like rheumatoid arthritis. The injection helps reduce symptoms like pain and swelling. Note that this drug isn't for self-administration.
84,003 services21 patients
Injection, denosumab, 1 mg J0897
Denosumab is a medication given via injection to strengthen your bones. It works by slowing down the cells that break down bone, improving bone density and reducing the risk of fractures. It's often used for osteoporosis treatment.
1,860 services17 patients
Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
652 services239 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
641 services259 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
497 services179 patients
Liver function blood test panel 80076
A liver function blood test panel helps check the health of your liver. It measures various proteins, liver enzymes, and bilirubin in your blood. If these levels are too high or too low, it could signal a liver problem. It's a simple, non-invasive test that involves drawing blood.
439 services154 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60559 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$137.43 typical visit price
range $59.81 – $181.38
Typical copayment $34.35 (range $14.95 – $45.34)
Most-billed visit code 99204
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Family Medicine
801 N CASS AVE STE 300
WESTMONT, IL 60559
Family Medicine
801 N CASS AVE STE 300
WESTMONT, IL 60559
Family Medicine
801 N CASS AVE STE 300
WESTMONT, IL 60559
Family Medicine
801 N CASS AVE STE 300
WESTMONT, IL 60559
Family Medicine
801 N CASS AVE STE 300
WESTMONT, IL 60559
Family Medicine
801 N CASS AVE STE 300
WESTMONT, IL 60559
Internal Medicine (Obesity Medicine)
801 N CASS AVE STE 300
WESTMONT, IL 60559
Family Medicine
801 N CASS AVE STE 300
WESTMONT, IL 60559

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 Darcy Majka's NPI number?

The NPI number for Darcy Majka is 1831206580. It was assigned to this individual provider in the NPPES registry on August 25, 2006.

Where is Darcy Majka located?

Darcy Majka practices at 801 N Cass Ave Ste 300, Westmont, IL 60559. The listed phone number is (630) 268-0200.

What is Darcy Majka's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Rheumatology, with taxonomy code 207RR0500X.

Is Darcy Majka enrolled in Medicare?

Yes. Darcy Majka 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.

Is Darcy Majka affiliated with any hospitals?

According to CMS data, Darcy Majka is affiliated with Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Darcy Majka was last updated on January 22, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.