Dr. Ellen Katch O'Brien, MD
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2008
- Practice address
- 12211 Plum Orchard Dr, Silver Spring, MD 20904
- Practice phone
- Call (301) 754-3040
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Pediatricians & Associates
Silver Spring, Maryland
Find Dr. O'Brien'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. Ellen Katch O'Brien is a pediatrician in Silver Spring, Maryland
Dr. O'Brien practices at Children's Pediatricians & Associates in Silver Spring, Maryland.
Dr. O'Brien's NPI, 1992965008, was assigned on June 11, 2008. Dr. O'Brien holds District of Columbia license MD039682.
- NPI
- 1992965008NPI Registry (opens in a new tab)
- NPI enumeration date
- June 11, 2008
- NPI status
- Active
- Practice phone
- (301) 754-3040
- 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 Practice Data
Dr. Ellen Katch O'Brien practices at Children's Pediatricians & Associates in Silver Spring, Maryland
Dr. O'Brien's primary practice is Children's Pediatricians & Associates, at 12211 Plum Orchard Dr, Silver Spring, MD 20904 in Montgomery County. The practice phone is (301) 754-3040.
- Children's Pediatricians & Associates12211 Plum Orchard Dr, Silver Spring, MD 20904 · Montgomery CountyPhone(301) 754-3040
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ellen Katch O'Brien is affiliated with 2 sites of care and 1 medical group
Dr. O'Brien's primary practice is Children's Pediatricians & Associates in Silver Spring, Maryland. Dmand AI also links Dr. O'Brien to 1 group practice or clinic and 1 medical group, each 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 Dr. Ellen Katch O'Brien's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. O'Brien practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Pediatricians & Associates | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ellen Katch O'Brien is one of 1,376 pediatricians in Maryland
Pediatrics is Dr. O'Brien's primary specialty in the NPI Registry, under taxonomy code 208000000X. Dr. O'Brien is licensed in District of Columbia.
Specialties and state licenses
- Pediatrics, District of ColumbiaPrimary
Pediatricians near Dr. O'Brien
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. Ellen Katch O'Brien's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Dr. O'Brien's median patient age at 10, with 52% women.
Dr. O'Brien's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 10
Patient panel by sex, all payers
- Women52%
- Men45%
Source: Dmand AI Patient Panel Data
Sources for Dr. Ellen Katch O'Brien'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 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. Ellen Katch O'Brien
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. Ellen Katch O'Brien's NPI number?
Dr. Ellen Katch O'Brien's NPI number is 1992965008. It was assigned on June 11, 2008, and it is active in the NPI Registry.
What kind of doctor is Dr. Ellen Katch O'Brien?
Dr. Ellen Katch O'Brien is a pediatrician in Silver Spring, Maryland. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Dr. Ellen Katch O'Brien practice?
Dr. O'Brien practices at 12211 Plum Orchard Dr, Silver Spring, MD 20904. Dr. O'Brien's primary practice is Children's Pediatricians & Associates in Silver Spring, Maryland. Dmand AI also links Dr. O'Brien to 1 group practice or clinic and 1 medical group.
What is Dr. Ellen Katch O'Brien's office phone number?
The practice phone on file for Dr. O'Brien is (301) 754-3040.
What is Dr. Ellen Katch O'Brien's medical license number?
Dr. O'Brien holds District of Columbia license MD039682.
How long has Dr. Ellen Katch O'Brien been practicing?
Dr. O'Brien's NPI was assigned in 2008.
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