Dr. Bretta K. Warren, MD
- Medicare services, 2024
- 3,980
- Medicare patients, 2024
- 1,326
- MIPS score, 2024
- 90
- Hospital affiliations
- 2
- Industry payments
- $99
- Practice address
- 800 W Central Road, Arlington Heights, IL 60005
- Practice phone
- Call (847) 618-1000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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Dr. Bretta K. Warren is a pathologist in Arlington Heights, Illinois
Dr. Warren practices at Northwest Community Hospital in Arlington Heights, Illinois, part of Endeavor Health.
Dr. Warren's NPI, 1932101938, was assigned on August 10, 2005. Dr. Warren graduated from University of Chicago, Pritzker School of Medicine in 1996.
- NPI
- 1932101938NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395794028
- NPI enumeration date
- August 10, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 618-1000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Bretta K. Warren practices at Northwest Community Hospital in Arlington Heights, Illinois
Dr. Warren's primary practice is Northwest Community Hospital, at 800 W Central Road, Arlington Heights, IL 60005 in Cook County. The practice phone is (847) 618-1000.
- Northwest Community Hospital800 W Central Road, Arlington Heights, IL 60005 · Cook CountyPhone(847) 618-1000
Source: Dmand AI Affiliation Data
Dr. Bretta K. Warren is affiliated with 3 sites of care and 1 medical group
Dr. Warren's primary practice is Northwest Community Hospital in Arlington Heights, Illinois, part of Endeavor Health. Dr. Warren is also affiliated with University of Chicago Medical Center. The medical group on file is Arlington Ridge Pathology. Dmand AI also links Dr. Warren to 1 more hospital outpatient department, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Bretta K. Warren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warren practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Community Hospital | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Bretta K. Warren is one of 487 pathologists in Illinois
Anatomic pathology and clinical pathology is Dr. Warren's primary specialty in the NPI Registry, under taxonomy code 207ZP0102X. Dr. Warren has a license on file in Illinois.
Specialties and state licenses
- Anatomic pathology and clinical pathology, Illinois
Pathologists near Dr. Warren
Counts of pathologists 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. Bretta K. Warren billed Medicare for 3,980 services in 2024
CMS data shows 3,980 Medicare services from Dr. Warren across 24 procedure codes in 2024, for 1,326 Medicare patients. Medicare paid $104,454 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Warren's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Lab and pathology
- 2023: 3,6592024: 3,9438%
- Other services
- 2023: 342024: 379%
Dr. Warren compared with the Illinois median for pathologists, 2024
- Dr. Warren
- Illinois median
- Medicare services
- 3,980vs 1,3892.9 times
- Medicare patients
- 1,326vs 5732.3 times
Medians across 481 pathologists in Illinois with Dmand AI profiles that report each measure.
Dr. Warren'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.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warren and other pathologists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Bretta K. Warren treated 1,326 Medicare patients in 2024, average age 74
CMS counts 1,326 Medicare patients who saw Dr. Warren in 2024. The largest group is 65 to 74, with 676 patients. 75% of them have high cholesterol, and 74% have high blood pressure. 7% are also on Medicaid. Their average risk score is 1.35, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Warren's median patient age at 65, with 59% women.
Dr. Warren's Medicare patients by age, 2024
Dr. Warren's Medicare patients by sex, 2024
- Women77759%
- Men54941%
Chronic conditions among Dr. Warren's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis58%
- Ischemic heart disease32%
- Diabetes29%
- Cancer27%
- Anxiety24%
- Chronic kidney disease22%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Bretta K. Warren scored 90 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 90 out of 100 for Dr. Warren for performance year 2024, reported as part of a group. Dr. Warren accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Warren's MIPS scores, performance year 2024
- 90of 100Final score
- 80of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Bretta K. Warren received $99 in industry payments from 2022 to 2025
CMS Open Payments shows 4 general payments to Dr. Warren from 1 drug or device company from 2022 to 2025. Food and beverage make up the largest share, 100% of the total. Siemens Medical Solutions USA, Inc. paid the most, $99.
General payments to Dr. Warren by program year, 2022 to 2025
Companies that paid Dr. Warren the most, 2022 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Bretta K. Warren graduated from University of Chicago, Pritzker School of Medicine
Dr. Warren graduated from University of Chicago, Pritzker School of Medicine in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Bretta K. Warren'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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| 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. Bretta K. Warren
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. Bretta K. Warren's NPI number?
Dr. Bretta K. Warren's NPI number is 1932101938. It was assigned on August 10, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Bretta K. Warren?
Dr. Bretta K. Warren is a pathologist in Arlington Heights, Illinois. The primary specialty in the NPI Registry is Anatomic Pathology & Clinical Pathology Physician (taxonomy code 207ZP0102X).
Where does Dr. Bretta K. Warren practice?
Dr. Warren practices at 800 W Central Road, Arlington Heights, IL 60005. Dr. Warren's primary practice is Northwest Community Hospital in Arlington Heights, Illinois, part of Endeavor Health. Dmand AI also links Dr. Warren to 1 hospital outpatient department.
What is Dr. Bretta K. Warren's office phone number?
The practice phone on file for Dr. Warren is (847) 618-1000.
Which hospitals is Dr. Bretta K. Warren affiliated with?
Dr. Warren practices at Northwest Community Hospital in Arlington Heights, Illinois. Dr. Warren is also affiliated with University of Chicago Medical Center.
What medical group is Dr. Bretta K. Warren part of?
Dr. Warren is linked to Arlington Ridge Pathology.
Does Dr. Bretta K. Warren accept Medicare?
Yes. CMS data shows Dr. Warren billed Medicare for 3,980 services in 2024, and Dr. Warren accepts Medicare assignment.
What is Dr. Bretta K. Warren's MIPS score?
Dr. Warren's MIPS final score for performance year 2024 is 90 out of 100, reported as part of a group.
How many Medicare patients does Dr. Bretta K. Warren see?
CMS counts 1,326 Medicare patients who saw Dr. Warren in 2024, with an average age of 74.
What services does Dr. Bretta K. Warren bill to Medicare?
In 2024, Dr. Warren's most billed Medicare services were lab and pathology test (88305), lab and pathology test (88341) and lab and pathology test (88342).
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Where did Dr. Bretta K. Warren go to medical school?
Dr. Warren graduated from University of Chicago, Pritzker School of Medicine in 1996.
Has Dr. Bretta K. Warren received payments from drug or device companies?
CMS Open Payments shows $99 in general payments to Dr. Warren from 1 company from 2022 to 2025. The largest total came from Siemens Medical Solutions USA, Inc.
How long has Dr. Bretta K. Warren been practicing?
Dr. Warren graduated from medical school in 1996, 30 years ago.
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