Dr. Doris U. Okafor, MD
- Medicare services, 2024
- 418
- Medicare patients, 2024
- 111
- Part D claims, 2024
- 3,875
- Hospital affiliations
- 3
- Industry payments
- $343
- Practice address
- 500 Remington Boulevard, Bolingbrook, IL 60440
- Practice phone
- Call (630) 312-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Okafor'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. Doris U. Okafor is an internist in Bolingbrook, Illinois
Dr. Okafor practices at UChicago Medicine AdventHealth Bolingbrook in Bolingbrook, Illinois, part of The University of Chicago.
Dr. Okafor's NPI, 1659512945, was assigned on March 16, 2009. Dr. Okafor holds Illinois license 036125401.
- NPI
- 1659512945NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6406045863
- NPI enumeration date
- March 16, 2009
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 312-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 50
- Medical school graduation
- 2002
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Doris U. Okafor practices at UChicago Medicine AdventHealth Bolingbrook in Bolingbrook, Illinois
Dr. Okafor's primary practice is UChicago Medicine AdventHealth Bolingbrook, at 500 Remington Boulevard, Bolingbrook, IL 60440 in Will County. The practice phone is (630) 312-5000.
- UChicago Medicine AdventHealth Bolingbrook500 Remington Boulevard, Bolingbrook, IL 60440 · Will CountyPhone(630) 312-5000
Source: Dmand AI Affiliation Data
Dr. Doris U. Okafor is affiliated with 5 sites of care and 1 medical group
Dr. Okafor's primary practice is UChicago Medicine AdventHealth Bolingbrook in Bolingbrook, Illinois, part of The University of Chicago. Dr. Okafor is also affiliated with UChicago Medicine AdventHealth Hinsdale. The medical group on file is UChicago Medicine AdventHealth Medical Group. Dmand AI also links Dr. Okafor to 1 more hospital, 1 group practice or clinic and 1 home health agency, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Doris U. Okafor's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Okafor practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| UChicago Medicine AdventHealth Bolingbrook | Available with a free account |
| +4 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Doris U. Okafor is one of 5,652 internists in Illinois
Internal medicine is Dr. Okafor's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Okafor is licensed in Illinois.
Specialties and state licenses
- Internal medicine, IllinoisPrimary
Internists near Dr. Okafor
Counts of internists 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. Doris U. Okafor billed Medicare for 418 services in 2024
CMS data shows 418 Medicare services from Dr. Okafor across 7 procedure codes in 2024, for 111 Medicare patients. Medicare paid $24,269 for them. Every service was in an office.
Dr. Okafor's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 522024: 226335%
- Office and hospital visits
- 2023: 1742024: 1772%
- Lab and pathology
- 2023: 02024: 15
- Tests and treatments
- 2023: 282024: 0100%
Dr. Okafor compared with the Illinois median for internists, 2024
- Dr. Okafor
- Illinois median
- Medicare services
- 418vs 56626% below
- Medicare patients
- 111vs 20847% below
- Part D claims
- 3,207vs 28411.3 times
Medians across 5,192 internists in Illinois with Dmand AI profiles that report each measure.
Dr. Okafor'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. Okafor and other internists in Illinois.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Doris U. Okafor treated 111 Medicare patients in 2024, average age 69
CMS counts 111 Medicare patients who saw Dr. Okafor in 2024. The largest group is 65 to 74, with 37 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 32% are also on Medicaid. Their average risk score is 1.39, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Okafor's median patient age at 54, with 71% women.
Dr. Okafor's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Okafor's Medicare patients by sex, 2024
- Women7467%
- Men3733%
Chronic conditions among Dr. Okafor's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis55%
- Diabetes35%
- Anxiety34%
- Mood disorders28%
- Depression26%
- Chronic kidney disease21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Okafor's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 54
Patient panel by sex, all payers
- Women71%
- Men29%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Doris U. Okafor wrote 3,875 Medicare Part D claims in 2024
In 2024, Dr. Okafor wrote 3,875 Medicare Part D claims for 358 patients. 89% of them were for generic drugs. CMS names the drug for 3,207 of them, across 90 drugs with 11 or more claims each, at $101,556 in total drug cost. In 2023, CMS named 2,972 claims across 85 drugs.
Dr. Okafor's Part D claims by kind of drug, 2024
- Generic3,448 claims89%
- Brand-name385 claims10%
- Other42 claims1%
Dr. Okafor'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.
Drug classes CMS tracks in Dr. Okafor's Part D claims, 2024
- Opioids1%30 of 3,875 claims
- Antibiotics3%132 of 3,875 claims
- Antipsychotics, patients 65 and over0%12 of 3,875 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2,9722024: 3,2078%
Drugs named by CMS: 90 in 2024, 85 in 2023.
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. Doris U. Okafor takes part in Medicare
Dr. Okafor accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Doris U. Okafor received $343 in industry payments from 2019 to 2025
CMS Open Payments shows 17 general payments to Dr. Okafor from 12 drug and device companies from 2019 to 2025. Food and beverage make up the largest share, 100% of the total. Amgen Inc. paid the most, $122.
General payments to Dr. Okafor by program year, 2019 to 2025
Companies that paid Dr. Okafor the most, 2019 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Doris U. Okafor'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) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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. Doris U. Okafor
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. Doris U. Okafor's NPI number?
Dr. Doris U. Okafor's NPI number is 1659512945. It was assigned on March 16, 2009, and it is active in the NPI Registry.
What kind of doctor is Dr. Doris U. Okafor?
Dr. Doris U. Okafor is an internist in Bolingbrook, Illinois. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Doris U. Okafor practice?
Dr. Okafor practices at 500 Remington Boulevard, Bolingbrook, IL 60440. Dr. Okafor's primary practice is UChicago Medicine AdventHealth Bolingbrook in Bolingbrook, Illinois, part of The University of Chicago. Dmand AI also links Dr. Okafor to 1 hospital, 1 group practice or clinic and 1 home health agency.
What is Dr. Doris U. Okafor's office phone number?
The practice phone on file for Dr. Okafor is (630) 312-5000.
What is Dr. Doris U. Okafor's medical license number?
Dr. Okafor holds Illinois license 036125401.
Which hospitals is Dr. Doris U. Okafor affiliated with?
Dr. Okafor practices at UChicago Medicine AdventHealth Bolingbrook in Bolingbrook, Illinois. Dr. Okafor is also affiliated with UChicago Medicine AdventHealth Hinsdale. Dmand AI links Dr. Okafor to 1 more hospital.
What medical group is Dr. Doris U. Okafor part of?
Dr. Okafor is linked to UChicago Medicine AdventHealth Medical Group.
Does Dr. Doris U. Okafor accept Medicare?
Yes. CMS data shows Dr. Okafor billed Medicare for 418 services in 2024, and Dr. Okafor accepts Medicare assignment.
How many Medicare patients does Dr. Doris U. Okafor see?
CMS counts 111 Medicare patients who saw Dr. Okafor in 2024, with an average age of 69.
What services does Dr. Doris U. Okafor bill to Medicare?
In 2024, Dr. Okafor's most billed Medicare services were office visit, established patient (99214), medicare service (G0444) and medicare service (G2211).
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What drugs does Dr. Doris U. Okafor prescribe most?
In 2024 Medicare Part D data, Dr. Okafor's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Levothyroxine Sodium.
Has Dr. Doris U. Okafor received payments from drug or device companies?
CMS Open Payments shows $343 in general payments to Dr. Okafor from 12 companies from 2019 to 2025. The largest total came from Amgen Inc.
How long has Dr. Doris U. Okafor been practicing?
Dr. Okafor graduated from medical school in 2002, 24 years ago.
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