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Dr. Elizabeth Mlynarczyk, MD
NPI1003038688PAC ID3870624497
- Medicare services, 2024
- 151
- Medicare patients, 2024
- 47
- Part D claims, 2024
- 72
- Clinical trials
- 10
- Hospital affiliations
- 2
- Practice address
- 1555 N Barrington Rd, Hoffman Estates, IL 60169
- Practice phone
- Call (847) 843-2000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Mlynarczyk's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Elizabeth Mlynarczyk is an OB-GYN in Hoffman Estates, Illinois
Dr. Mlynarczyk practices at Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance.
Dr. Mlynarczyk's NPI, 1003038688, was assigned on May 3, 2007. Dr. Mlynarczyk graduated from Loyola University of Chicago, Stritch School of Medicine in 2004. Dr. Mlynarczyk holds Illinois license 036122787.
NPI and contact details
- NPI
- 1003038688NPI Registry (opens in a new tab)
- Medicare PAC ID
- 3870624497
- NPI enumeration date
- May 3, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 843-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Elizabeth Mlynarczyk practices at Ascension Saint Alexius in Hoffman Estates, Illinois
Dr. Mlynarczyk's primary practice is Ascension Saint Alexius, at 1555 N Barrington Rd, Hoffman Estates, IL 60169 in Cook County. The practice phone is (847) 843-2000.
- Ascension Saint Alexius1555 N Barrington Rd, Hoffman Estates, IL 60169 · Cook CountyPhone(847) 843-2000
Source: Dmand AI Affiliation Data
Dr. Elizabeth Mlynarczyk is affiliated with 4 sites of care and 1 medical group
Dr. Mlynarczyk's primary practice is Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance. Dr. Mlynarczyk is also affiliated with Ascension Alexian Brothers. The medical group on file is Alexian Brothers Medical Group Specialty Care. Dmand AI also links Dr. Mlynarczyk to 1 more breast imaging center and 1 group practice or clinic, each named with a free account.
Ascension Alexian BrothersAlexian Brothers Medical Group Specialty Care1 breast imaging centerName with a free account1 group practice or clinicName with a free account
See all 5 affiliations for Dr. MlynarczykSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Elizabeth Mlynarczyk's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Mlynarczyk practices, 4 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Ascension Saint Alexius | Available with a free account |
| +3 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Elizabeth Mlynarczyk is one of 1,665 OB-GYNs in Illinois
Obstetrics and gynecology is Dr. Mlynarczyk's primary specialty in the NPI Registry, under taxonomy code 207V00000X. Dr. Mlynarczyk is licensed in Illinois.
Specialties and state licenses
- Obstetrics and gynecology, IllinoisPrimary
OB-GYNs near Dr. Mlynarczyk
Counts of OB-GYNs with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Elizabeth Mlynarczyk billed Medicare for 151 services in 2024
CMS data shows 151 Medicare services from Dr. Mlynarczyk across 6 procedure codes in 2024, for 47 Medicare patients. Medicare paid $11,692 for them. Every service was in an office.
Medicare services, 2024151
Medicare patients47
Paid by Medicare$11,692
Procedure codes6
Dr. Mlynarczyk's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 682024: 637%
- Imaging
- 2023: 302024: 4653%
- Other services
- 2023: 562024: 4225%
Dr. Mlynarczyk compared with the Illinois median for OB-GYNs, 2024
- Dr. Mlynarczyk
- Illinois median
- Medicare services
- 151vs 483.1 times
- Medicare patients
- 47vs 447% above
- Part D claims
- 15vs 2846% below
Medians across 1,360 OB-GYNs in Illinois with Dmand AI profiles that report each measure.
Dr. Mlynarczyk's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Mlynarczyk?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Mlynarczyk and other OB-GYNs in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Elizabeth Mlynarczyk treated 47 Medicare patients in 2024, average age 68
CMS counts 47 Medicare patients who saw Dr. Mlynarczyk in 2024. The largest group is 65 to 74, with 32 patients. 68% of them have high blood pressure, and 57% have high cholesterol. 26% are also on Medicaid. Their average risk score is 0.63, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Mlynarczyk's median patient age at 39, with 99% women.
Medicare patients, 202447
Average age68
Average risk score0.63
Also on Medicaid26%
Dr. Mlynarczyk's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Mlynarczyk's Medicare patients, 2024
- High blood pressure68%
- High cholesterol57%
- Arthritis43%
- Anxiety30%
- Diabetes28%
- Ischemic heart disease23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Mlynarczyk's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 39
Patient panel by sex, all payers
- Women99%
- Men0%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Elizabeth Mlynarczyk wrote 72 Medicare Part D claims in 2024
In 2024, Dr. Mlynarczyk wrote 72 Medicare Part D claims for 38 patients. 94% of them were for generic drugs. CMS names the drug for 15 of them, across 1 drug with 11 or more claims each, at $815 in total drug cost. In 2022, CMS named 16 claims across 1 drug.
Part D claims, 202472
Drugs named by CMS1
Total drug cost$815
Part D patients38
Dr. Mlynarczyk's Part D claims by kind of drug, 2024
- Generic68 claims94%
- Brand-name and other4 claims6%
Dr. Mlynarczyk's most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Part D claims for drugs CMS names, 2022 to 2024
- 2022
- 2024
- Claims for drugs CMS names
- 2022: 162024: 156%
Drugs named by CMS: 1 in 2024, 1 in 2022.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Elizabeth Mlynarczyk takes part in Medicare
Dr. Mlynarczyk accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Removal of the uterus: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Elizabeth Mlynarczyk has worked on 10 clinical trials
Dmand AI links Dr. Mlynarczyk to 10 clinical trials, 4 of them phase 2 studies. 9 are still active or recruiting. Conditions studied include Adenocarcinoma of Lung, Biliary Atresia and Low Back Pain.
Clinical trials with Dr. Mlynarczyk by phase
- NonePhase 1: no trials
- 4Phase 2: 4 trials
- 1Phase 2/3: 1 trial
- NonePhase 3: no trials
- NonePhase 4: no trials
Trials with no phase (devices, behavioral studies) are left out.
Conditions in Dr. Mlynarczyk's trials
- Adenocarcinoma of Lung
- Biliary Atresia
- Low Back Pain
- Malocclusion
- Muscular Atrophy
Investigators on the most trials with Dr. Mlynarczyk
- Kader Tawfiq Abdelerahman, MD10 shared trials
- Randa Abdelmasih, MD10 shared trials
- Marjorie E. Affel, MD10 shared trials
Recent clinical trials with Dr. Mlynarczyk
Adenocarcinoma of LungAdenocarcinoma
Sources: ClinicalTrials.gov (National Library of Medicine); and Dmand AI Research Linkage
Dr. Elizabeth Mlynarczyk received $3,034 in industry payments from 2016 to 2025
CMS Open Payments shows 87 general payments to Dr. Mlynarczyk from 21 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 70% of the total. Intuitive Surgical, Inc. paid the most, $922.
General payments to Dr. Mlynarczyk by program year, 2016 to 2025
General payments to Dr. Mlynarczyk by kind, 2016 to 2025
$3Kin total
- Food and beverage$2,12370%
- Travel and lodging$75125%
- Education$1615%
Companies that paid Dr. Mlynarczyk the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Elizabeth Mlynarczyk graduated from Loyola University of Chicago, Stritch School of Medicine
Dr. Mlynarczyk graduated from Loyola University of Chicago, Stritch School of Medicine in 2004.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Elizabeth Mlynarczyk's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Clinical trials and co-investigators | ClinicalTrials.gov (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Elizabeth Mlynarczyk
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Elizabeth Mlynarczyk's NPI number?
Dr. Elizabeth Mlynarczyk's NPI number is 1003038688. It was assigned on May 3, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Elizabeth Mlynarczyk?
Dr. Elizabeth Mlynarczyk is an OB-GYN in Hoffman Estates, Illinois. The primary specialty in the NPI Registry is Obstetrics & Gynecology Physician (taxonomy code 207V00000X).
Where does Dr. Elizabeth Mlynarczyk practice?
Dr. Mlynarczyk practices at 1555 N Barrington Rd, Hoffman Estates, IL 60169. Dr. Mlynarczyk's primary practice is Ascension Saint Alexius in Hoffman Estates, Illinois, part of Ascension Health Alliance. Dmand AI also links Dr. Mlynarczyk to 1 breast imaging center and 1 group practice or clinic.
What is Dr. Elizabeth Mlynarczyk's office phone number?
The practice phone on file for Dr. Mlynarczyk is (847) 843-2000.
What is Dr. Elizabeth Mlynarczyk's medical license number?
Dr. Mlynarczyk holds Illinois license 036122787.
Which hospitals is Dr. Elizabeth Mlynarczyk affiliated with?
Dr. Mlynarczyk practices at Ascension Saint Alexius in Hoffman Estates, Illinois. Dr. Mlynarczyk is also affiliated with Ascension Alexian Brothers.
What medical group is Dr. Elizabeth Mlynarczyk part of?
Dr. Mlynarczyk is linked to Alexian Brothers Medical Group Specialty Care.
Does Dr. Elizabeth Mlynarczyk accept Medicare?
Yes. CMS data shows Dr. Mlynarczyk billed Medicare for 151 services in 2024, and Dr. Mlynarczyk accepts Medicare assignment.
How many Medicare patients does Dr. Elizabeth Mlynarczyk see?
CMS counts 47 Medicare patients who saw Dr. Mlynarczyk in 2024, with an average age of 68.
What services does Dr. Elizabeth Mlynarczyk bill to Medicare?
In 2024, Dr. Mlynarczyk's most billed Medicare services were office visit, established patient (99214), ultrasound (76830) and ultrasound (76856).
Show 5 more questionsShow fewer questions
Where did Dr. Elizabeth Mlynarczyk go to medical school?
Dr. Mlynarczyk graduated from Loyola University of Chicago, Stritch School of Medicine in 2004.
What drugs does Dr. Elizabeth Mlynarczyk prescribe most?
In 2024 Medicare Part D data, Dr. Mlynarczyk's most prescribed drugs by claims were Estradiol.
Has Dr. Elizabeth Mlynarczyk received payments from drug or device companies?
CMS Open Payments shows $3,034 in general payments to Dr. Mlynarczyk from 21 companies from 2016 to 2025. The largest total came from Intuitive Surgical, Inc.
How long has Dr. Elizabeth Mlynarczyk been practicing?
Dr. Mlynarczyk graduated from medical school in 2004, 22 years ago.
Does Dr. Elizabeth Mlynarczyk do research?
Dr. Mlynarczyk has worked on 10 clinical trials.
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