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DR. MARC L WIENER M.D.
NPI 1861435927
Internal Medicine in Carol Stream, IL

Active since June 14, 2006PECOS EnrolledAccepts Medicare Assignment
27W170 SAINT CHARLES RD, CAROL STREAM, IL 60188(630) 562-9100(630) 562-9172 Get Directions Write a Review

NPPES record last updated: February 19, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Marc L Wiener M.d. NPPES

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

DR. MARC L WIENER M.D. (NPI 1861435927) is an individual internal medicine provider in Carol Stream, Illinois, licensed in Illinois (036076864) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Northwestern Medicine Central Dupage Hospital, and is a graduate of University Of Illinois College Of Med (chi/peor/rock/chm-urb) (1986).

NPPES Registry Identity

NPI1861435927
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. MARC L WIENERCredential: M.D.
Location Address27W170 SAINT CHARLES RDCarol Stream, IL 60188-1935
Mailing Address27w170 Saint Charles RdCarol Stream, IL 60188-1935 · (630) 562-9100 · Fax (630) 562-9172
Phone(630) 562-9100
Fax(630) 562-9172
Sole ProprietorNo
Medical School CMSUniversity Of Illinois College Of Med (chi/peor/rock/chm-urb)Graduated 1986
Enumeration DateJune 14, 2006
Last NPPES UpdateFebruary 19, 2020
✔ NPI 1861435927 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IL · 036076864
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
27W170 SAINT CHARLES RD, Carol Stream, IL 60188
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Other Identifiers 2

Medicaid056076864IL
Other002220114IL · Bcbs Number

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. Marc L Wiener M.d. 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 ID8022107739
PECOS Enrollment IDI20071204000134
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 3

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.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
163 services36 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.
66 services29 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
31 services31 patients

Hospital Affiliations CMS Care Compare

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

Northwestern Medicine Central Dupage Hospital

Acute Care Hospitals · Winfield, IL
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140242
Location25 North Winfield RoadWinfield, IL 60190 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60188 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 2

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

PAULINE K WIENER M.D.
Psychiatry & Neurology (Geriatric Psychiatry)
27W170 SAINT CHARLES RD
CAROL STREAM, IL 60188
Dupage County (630) 231-9400
A & M INTERNAL MEDICINE, LTD.
Internal Medicine
27W170 SAINT CHARLES RD
CAROL STREAM, IL 60188
Dupage County (630) 562-9100

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 Marc Wiener's NPI number?

The NPI number for Marc Wiener is 1861435927. It was assigned to this individual provider in the NPPES registry on June 14, 2006.

Where is Marc Wiener located?

Marc Wiener practices at 27w170 Saint Charles Rd, Carol Stream, IL 60188. The listed phone number is (630) 562-9100.

What is Marc Wiener's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Marc Wiener enrolled in Medicare?

Yes. Marc Wiener 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 Marc Wiener affiliated with any hospitals?

According to CMS data, Marc Wiener is affiliated with Northwestern Medicine Central Dupage Hospital.

When was this NPI record last updated?

The NPPES record for Marc Wiener was last updated on February 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.