David William O'Brian, DPM
- Medicare patients, 2024
- 311
- Part D claims, 2024
- 70
- Industry payments
- $166
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 705 Warrenville Rd, Wheaton, IL 60189
- Practice phone
- Call (630) 668-8277
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Northwest Podiatry Center, Ltd
Wheaton, Illinois
Find David O'Brian'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.
David William O'Brian is a podiatrist in Wheaton, Illinois
David O'Brian practices at Northwest Podiatry Center, Ltd in Wheaton, Illinois.
David O'Brian's NPI, 1821165135, was assigned on November 29, 2006. David O'Brian holds Illinois license 016-003127.
- NPI
- 1821165135NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1759548068
- NPI enumeration date
- November 29, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (630) 668-8277
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 72
- Medical school graduation
- 1980
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
David William O'Brian practices at Northwest Podiatry Center, Ltd in Wheaton, Illinois
David O'Brian's primary practice is Northwest Podiatry Center, Ltd, at 705 Warrenville Rd, Wheaton, IL 60189 in Dupage County. The practice phone is (630) 668-8277.
- Northwest Podiatry Center, Ltd705 Warrenville Rd, Wheaton, IL 60189 · Dupage CountyPhone(630) 668-8277
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
David William O'Brian is affiliated with 2 sites of care and 1 medical group
David O'Brian's primary practice is Northwest Podiatry Center, Ltd in Wheaton, Illinois. The medical group on file is Northwest Podiatry Center. Dmand AI also links David O'Brian to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at David William O'Brian's practice
Dmand AI tracks the electronic health record (EHR) system at each site where David O'Brian practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Northwest Podiatry Center, Ltd | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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David William O'Brian is one of 351 podiatrists in Illinois
Podiatrist is David O'Brian's primary specialty in the NPI Registry, under taxonomy code 213E00000X. David O'Brian is licensed in Illinois.
Specialties and state licenses
- Podiatrist, IllinoisPrimary
Podiatrists near David O'Brian
Counts of podiatrists 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
David William O'Brian treated 311 Medicare patients in 2024, average age 79
CMS counts 311 Medicare patients who saw David O'Brian in 2024. The largest group is 75 to 84, with 141 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.41, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts David O'Brian's median patient age at 60, with 54% women.
David O'Brian's Medicare patients by age, 2024
David O'Brian's Medicare patients by sex, 2024
- Women16352%
- Men14848%
Chronic conditions among David O'Brian's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis51%
- Diabetes40%
- Ischemic heart disease31%
- Chronic kidney disease26%
- Anxiety23%
- Atrial fibrillation23%
Share of Medicare patients with each condition. A patient can have several.
David O'Brian's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 60
Patient panel by sex, all payers
- Women54%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
David William O'Brian wrote 70 Medicare Part D claims in 2024
In 2024, David O'Brian wrote 70 Medicare Part D claims for 42 patients. 99% of them were for generic drugs.
David O'Brian's Part D claims by kind of drug, 2024
- Generic69 claims99%
- Brand-name and other1 claims1%
Drug classes CMS tracks in David O'Brian's Part D claims, 2024
- Antibiotics16%11 of 70 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
David William O'Brian ranks in the 77th percentile for removal of nail tissue in Medicare
David O'Brian accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 269 procedures of removal of nail tissue by David O'Brian, more than 77% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where David O'Brian ranks in Medicare procedure volume
- Removal of nail tissue
- 77th percentile269 procedures
- Removal or shaving of skin growth
- 67th percentile14 procedures
- Removal of tissue
- 65th percentile14 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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David William O'Brian received $166 in industry payments in 2025
CMS Open Payments shows 1 general payment to David O'Brian from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Stryker Corporation paid the most, $166.
Companies that paid David O'Brian the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for David William O'Brian'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| 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 (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) |
| 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 David William O'Brian
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is David William O'Brian's NPI number?
David William O'Brian's NPI number is 1821165135. It was assigned on November 29, 2006, and it is active in the NPI Registry.
What does David William O'Brian specialize in?
David William O'Brian is a podiatrist in Wheaton, Illinois. The primary specialty in the NPI Registry is Podiatrist (taxonomy code 213E00000X).
Where does David William O'Brian practice?
David O'Brian practices at 705 Warrenville Rd, Wheaton, IL 60189. David O'Brian's primary practice is Northwest Podiatry Center, Ltd in Wheaton, Illinois. Dmand AI also links David O'Brian to 1 group practice or clinic.
What is David William O'Brian's office phone number?
The practice phone on file for David O'Brian is (630) 668-8277.
What is David William O'Brian's medical license number?
David O'Brian holds Illinois license 016-003127.
What medical group is David William O'Brian part of?
David O'Brian is linked to Northwest Podiatry Center.
Does David William O'Brian accept Medicare?
Yes. CMS lists David O'Brian as accepting Medicare assignment.
How many Medicare patients does David William O'Brian see?
CMS counts 311 Medicare patients who saw David O'Brian in 2024, with an average age of 79.
Has David William O'Brian received payments from drug or device companies?
CMS Open Payments shows $166 in general payments to David O'Brian from 1 company from 2025 to 2025. The largest total came from Stryker Corporation.
How long has David William O'Brian been practicing?
David O'Brian graduated from medical school in 1980, 46 years ago.
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