DR. BRIAN MEDERNACH BRIAN MEDERNACH
NPI 1801050539
Internal Medicine in Lombard, IL

Q: What is Brian Medernach's NPI number?

The NPI number for Brian Medernach is 1801050539. It was assigned to this individual provider in the NPPES registry on July 11, 2008. The provider is also known as Brian Medernach Brian Medernach.

Q: What is Brian Medernach's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Brian Medernach was last updated on April 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 months 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.

Active since July 11, 2008PECOS Enrolled

1S072 LUTHER AVE, LOMBARD, IL 60148(630) 247-8877 Get Directions Write a Review

NPPES record last updated: April 8, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Apr 8, 2026, Jun 10, 2019 (2 updates tracked since 2019).

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About Dr. Brian Medernach Brian Medernach NPPES

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

DR. BRIAN MEDERNACH BRIAN MEDERNACH (NPI 1801050539) is an individual internal medicine provider in Lombard, Illinois, licensed in Illinois (036.126376) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, is affiliated with Alexian Brothers Medical Center 1, and is a graduate of Loyola University Of Chicago, Stritch School Of Medicine (2007).

NPPES Registry Identity

NPI1801050539

Entity TypeIndividualMale

Primary Taxonomy207R00000X

Provider Legal NameDR. BRIAN MEDERNACHCredential: BRIAN MEDERNACH

Location Address1S072 LUTHER AVELombard, IL 60148-4164

Mailing Address1s072 Luther AveLombard, IL 60148-4164 · (630) 247-8877

Phone(630) 247-8877

Sole ProprietorYes

Medical School CMSLoyola University Of Chicago, Stritch School Of MedicineGraduated 2007

Enumeration DateJuly 11, 2008

Last NPPES UpdateApril 8, 20262 updates tracked since enumeration

NPPES CertifiedApril 8, 2026

✔ NPI 1801050539 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

License✔ Licensed in IL · 036.126376

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.

Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X · License 036.126376 (IL)

Also ListedPediatricsTaxonomy 208000000X · License 036.126376 (IL)

1S072 LUTHER AVE, Lombard, IL 60148

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Other Names 1

Professional Name (2)Brian Medernach Brian Medernach

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Brian Medernach Brian Medernach is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID6103091418

PECOS Enrollment IDI20111215000532, I20260611000044

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.

Medicare Billing Reassignments

Medicare enrollment records show Brian Medernach reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Id Associates Limited

3.9 mi

Infectious Disease

5 HUNT CLUB LN
Oak Brook, IL 60523

Reassigned Medicare billing, Illinois enrollment
8 clinicians in this Medicare group

NPI 1699201582 (630) 908-9876

Infectious Diseases Associates, P.C.

10 mi

Infectious Disease

800 BIESTERFIELD RD, BROCK 4011
Elk Grove Village, IL 60007

Reassigned Medicare billing, Illinois enrollment
Medicare enrollment name: Infectious Diseases Associates PC
7 clinicians in this Medicare group

NPI 1790774016 (847) 981-3694

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 10

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.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

539 services222 patients

Removal of skin and tissue, 20.0 sq cm or less 11042

This procedure involves the surgical removal of skin and tissue, up to 20.0 square cm in size. It's often performed to treat conditions like skin cancer or to remove moles, warts, and other skin lesions. The area is numbed and the unwanted tissue is carefully cut out.

183 services52 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

103 services97 patients

Subsequent nursing facility care with straightforward level of medical decision making, per day, if using time, 20 minutes or more 99308

A follow-up nursing facility visit per day is a daily check-up service provided by healthcare professionals. It lasts around 15 minutes and involves assessing your health status, monitoring your recovery progress, and addressing any concerns you may have about your health or treatment.

100 services43 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

90 services40 patients

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.

89 services36 patients

Hospital Affiliations CMS Care Compare 4

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

Alexian Brothers Medical Center 1

Acute Care Hospitals · Elk Grove Village, IL

5/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140258

Location800 Biesterfield RdElk Grove Village, IL 60007 · Cook County

Emergency services Birthing friendly

Loyola University Medical Center

Acute Care Hospitals · Maywood, IL

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number140276

Location2160 S 1st AvenueMaywood, IL 60153 · Cook County

Emergency services Birthing friendly

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

St Alexius Medical Center

Acute Care Hospitals · Hoffman Estates, IL

4/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number140290

Location1555 N Barrington RdHoffman Estates, IL 60169 · Cook County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60148 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.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Foam dressing, wound cover, sterile, pad size 16 sq. in. or less, with any size adhesive border, each dressing A6212

DME-Medical/Surgical Supplies · category DA023N

1 supplier11 claims204 services$9.40 avg. paid by Medicare

Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 7

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

ALEKSANDRA VARGAS FNP-BC

Nurse Practitioner (Family)