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DR. ADAM EDWARD MIKOLAJCZYK M.D.
NPI 1275829798
Internal Medicine - Gastroenterology in Chicago, IL

Active since June 22, 2011PECOS EnrolledAccepts Medicare Assignment
87.08/100
CMS Quality Rating
1801 W TAYLOR ST STE 1B, CHICAGO, IL 60612(312) 996-7598 Get Directions Write a Review

NPPES record last updated: March 22, 2019. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Adam Edward Mikolajczyk M.d. NPPES

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

DR. ADAM EDWARD MIKOLAJCZYK M.D. (NPI 1275829798) is an individual gastroenterology provider in Chicago, Illinois, licensed in Illinois (036.135065) and active in the NPI registry since June 2011. He is enrolled in Medicare PECOS, is affiliated with University Of Illinois Hospital And Clinics, and maintains a secondary practice location in Burr Ridge.

NPPES Registry Identity

NPI1275829798
Entity TypeIndividualMale
Primary Taxonomy207RG0100X
Provider Legal NameDR. ADAM EDWARD MIKOLAJCZYKCredential: M.D.
Location Address1801 W TAYLOR ST STE 1BChicago, IL 60612-4795
Mailing Address840 S Wood StChicago, IL 60612-4325 · (312) 996-6292
Phone(312) 996-7598
Sole ProprietorNo
Medical School CMSUniversity Of Chicago, Pritzker School Of MedicineGraduated 2011
Enumeration DateJune 22, 2011
Last NPPES UpdateMarch 22, 2019
✔ NPI 1275829798 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License✔ Licensed in IL · 036.135065
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
Also ListedInternal MedicineTaxonomy 207R00000X · License 125.059372 (IL)
1801 W TAYLOR ST STE 1B, Chicago, IL 60612
Open in Google Maps ↗

Secondary Practice Location 1

Location 1180 Harvester Dr, Suite 110Burr Ridge, IL 60527-7594 · Phone (773) 702-1150

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Adam Edward Mikolajczyk 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 ID1153554498
PECOS Enrollment IDI20141018000247
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 Reassignment

Medicare enrollment records show Adam Mikolajczyk reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Board Of Trustees Of The University Of Illinois
Same address
Radiation Oncology
1801 W TAYLOR ST
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 2,127 clinicians in this Medicare group
NPI 1669691788 (312) 413-7501

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

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 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
36 services15 patients

Hospital Affiliations CMS Care Compare

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

University Of Illinois Hospital And Clinics

Acute Care Hospitals · Chicago, IL
2/5 CMS rating
OwnershipGovernment - State
CMS Certification Number140150
Location1740 West Taylor St Suite 1400Chicago, IL 60612 · Cook County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60612 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
$138.86 typical visit price
range $60.08 – $183.39
Typical copayment $34.71 (range $15.02 – $45.84)
Most-billed visit code 99204
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.08/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality70.79
Promoting Interoperability100
Improvement Activities40
Cost52.82

Referred Medical Equipment & Supplies CMS DME claims 7

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

Tacrolimus, extended release, (envarsus xr), oral, 0.25 mg J7503
Treatment-Chemotherapy · category RH002N
2 suppliers21 claims4,470 services$1.19 avg. paid by Medicare
Tacrolimus, immediate release, oral, 1 mg J7507
Treatment-Treatment - Miscellaneous · category RX029N
7 suppliers46 claims2,715 services$0.31 avg. paid by Medicare
Mycophenolate mofetil, oral, 250 mg J7517
Treatment-Treatment - Miscellaneous · category RX029N
2 suppliers11 claims628 services$0.20 avg. paid by Medicare
Mycophenolic acid, oral, 180 mg J7518
Treatment-Treatment - Miscellaneous · category RX029N
4 suppliers30 claims5,460 services$0.94 avg. paid by Medicare
Everolimus, oral, 0.25 mg J7527
Treatment-Treatment - Miscellaneous · category RX029N
1 supplier11 claims3,408 services$3.52 avg. paid by Medicare
Pharmacy supply fee for oral anti-cancer, oral anti-emetic or immunosuppressive drug(s); for the first prescription in a 30-day period Q0511
Treatment-Chemotherapy · category RH012N
6 suppliers54 claims54 services$17.86 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

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 Adam Mikolajczyk's NPI number?

The NPI number for Adam Mikolajczyk is 1275829798. It was assigned to this individual provider in the NPPES registry on June 22, 2011.

Where is Adam Mikolajczyk located?

Adam Mikolajczyk practices at 1801 W Taylor St Ste 1B, Chicago, IL 60612. The listed phone number is (312) 996-7598.

What is Adam Mikolajczyk's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

Is Adam Mikolajczyk enrolled in Medicare?

Yes. Adam Mikolajczyk 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.

Which organization bills Medicare for Adam Mikolajczyk's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Adam Mikolajczyk reassigns Medicare benefits to Board Of Trustees Of The University Of Illinois (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Adam Mikolajczyk's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Adam Mikolajczyk affiliated with any hospitals?

According to CMS data, Adam Mikolajczyk is affiliated with University Of Illinois Hospital And Clinics.

When was this NPI record last updated?

The NPPES record for Adam Mikolajczyk was last updated on March 22, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.