Dr. Sonja C. O'Leary, MD
- Hospital affiliations
- 1
- Industry payments
- $24
- State license
- 1
- Year NPI issued
- 2005
- Practice address
- 777 Bannock St, Denver, CO 80204
- Practice phone
- Call (303) 602-4935
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. O'Leary'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. Sonja C. O'Leary is a pediatrician in Denver, Colorado
Dr. O'Leary practices at Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority.
Dr. O'Leary's NPI, 1235115841, was assigned on December 16, 2005. Dr. O'Leary holds Colorado license 39379.
- NPI
- 1235115841NPI Registry (opens in a new tab)
- NPI enumeration date
- December 16, 2005
- NPI status
- Active
- Practice phone
- (303) 602-4935
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Sonja C. O'Leary practices at Denver Health Medical Center in Denver, Colorado
Dr. O'Leary's primary practice is Denver Health Medical Center, at 777 Bannock St, Denver, CO 80204 in Denver County. The practice phone is (303) 602-4935.
- Denver Health Medical Center777 Bannock St, Denver, CO 80204 · Denver CountyPhone(303) 602-4935
Source: Dmand AI Affiliation Data
Dr. Sonja C. O'Leary is affiliated with 1 site of care
Dr. O'Leary's primary practice is Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority. Dr. O'Leary's employer is on file too: a hospital.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Sonja C. O'Leary's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Leary practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Denver Health Medical Center | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Denver Health and Hospital Authority and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Sonja C. O'Leary is one of 887 pediatricians in Colorado
Pediatrics is Dr. O'Leary's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. O'Leary is licensed in Colorado.
Specialties and state licenses
- Pediatrics, ColoradoPrimary
Pediatricians near Dr. O'Leary
Counts of pediatricians 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. Sonja C. O'Leary's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Dr. O'Leary's median patient age at 9, with 50% women.
Dr. O'Leary's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 9
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Dr. Sonja C. O'Leary received $24 in industry payments in 2022
CMS Open Payments shows 1 general payment to Dr. O'Leary from 1 drug or device company in 2022. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $24.
Companies that paid Dr. O'Leary the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Sonja C. O'Leary'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 patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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. Sonja C. O'Leary
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. Sonja C. O'Leary's NPI number?
Dr. Sonja C. O'Leary's NPI number is 1235115841. It was assigned on December 16, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Sonja C. O'Leary?
Dr. Sonja C. O'Leary is a pediatrician in Denver, Colorado. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Sonja C. O'Leary practice?
Dr. O'Leary practices at 777 Bannock St, Denver, CO 80204. Dr. O'Leary's primary practice is Denver Health Medical Center in Denver, Colorado, part of Denver Health and Hospital Authority.
What is Dr. Sonja C. O'Leary's office phone number?
The practice phone on file for Dr. O'Leary is (303) 602-4935.
What is Dr. Sonja C. O'Leary's medical license number?
Dr. O'Leary holds Colorado license 39379.
Which hospitals is Dr. Sonja C. O'Leary affiliated with?
Dr. O'Leary practices at Denver Health Medical Center in Denver, Colorado.
Has Dr. Sonja C. O'Leary received payments from drug or device companies?
CMS Open Payments shows $24 in general payments to Dr. O'Leary from 1 company from 2022 to 2022. The largest total came from Merck Sharp & Dohme Corporation.
How long has Dr. Sonja C. O'Leary been practicing?
Dr. O'Leary's NPI was assigned in 2005.
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