Dr. Otto Louis-Jacques, MD
- Hospital affiliations
- 1
- Industry payments
- $877
- Medical groups
- 3
- State license
- 1
- Year NPI issued
- 2006
- Practice address
- 111 Michigan Ave, NW, Washington, DC 20010
- Practice phone
- Call (202) 476-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Louis-Jacques' 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. Otto Louis-Jacques is a pediatric gastroenterology physician in Washington, District of Columbia
Dr. Louis-Jacques practices at Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital.
Dr. Louis-Jacques' NPI, 1124094933, was assigned on February 23, 2006. Dr. Louis-Jacques holds Virginia license 0101233886.
- NPI
- 1124094933NPI Registry (opens in a new tab)
- NPI enumeration date
- February 23, 2006
- NPI status
- Active
- Practice phone
- (202) 476-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 63
- Medical school graduation
- 1989
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Otto Louis-Jacques practices at Children's National Hospital in Washington, District of Columbia
Dr. Louis-Jacques' primary practice is Children's National Hospital, at 111 Michigan Ave, NW, Washington, DC 20010 in The District County. The practice phone is (202) 476-5000.
- Children's National Hospital111 Michigan Ave, NW, Washington, DC 20010 · The District CountyPhone(202) 476-5000
Source: Dmand AI Affiliation Data
Dr. Otto Louis-Jacques is affiliated with 5 sites of care and 3 medical groups
Dr. Louis-Jacques' primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. The medical group on file is Pediatric Specialists of Virginia. Dmand AI also links Dr. Louis-Jacques to 3 more group practices and clinics, 2 medical groups and 1 dialysis center, 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. Otto Louis-Jacques' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Louis-Jacques practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's National Hospital | Available with a free account |
| +4 more sites and 2 medical groups | 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 Children's National Hospital and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Otto Louis-Jacques is one of 27 pediatric gastroenterology physicians in District of Columbia
Pediatric gastroenterology is Dr. Louis-Jacques' primary specialty in the NPI Registry, under taxonomy code 2080P0206X. Dr. Louis-Jacques is licensed in Virginia.
Specialties and state licenses
- Pediatric gastroenterology, VirginiaPrimary
Pediatric gastroenterology physicians near Dr. Louis-Jacques
Counts of pediatric gastroenterology physicians 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. Otto Louis-Jacques' patients have a median age of 13
Across all payers, Dmand AI patient panel data puts Dr. Louis-Jacques' median patient age at 13, with 44% women.
Dr. Louis-Jacques' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 13
Patient panel by sex, all payers
- Women44%
- Men55%
Source: Dmand AI Patient Panel Data
Dr. Otto Louis-Jacques received $877 in industry payments from 2017 to 2025
CMS Open Payments shows 19 general payments to Dr. Louis-Jacques from 9 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $301.
General payments to Dr. Louis-Jacques by program year, 2017 to 2025
Companies that paid Dr. Louis-Jacques the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Otto Louis-Jacques'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. Otto Louis-Jacques
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. Otto Louis-Jacques' NPI number?
Dr. Otto Louis-Jacques' NPI number is 1124094933. It was assigned on February 23, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Otto Louis-Jacques?
Dr. Otto Louis-Jacques is a pediatric gastroenterology physician in Washington, District of Columbia. The primary specialty in the NPI Registry is Pediatric Gastroenterology Physician (taxonomy code 2080P0206X).
Where does Dr. Otto Louis-Jacques practice?
Dr. Louis-Jacques practices at 111 Michigan Ave, NW, Washington, DC 20010. Dr. Louis-Jacques' primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. Dmand AI also links Dr. Louis-Jacques to 3 group practices and clinics, 2 medical groups and 1 dialysis center.
What is Dr. Otto Louis-Jacques' office phone number?
The practice phone on file for Dr. Louis-Jacques is (202) 476-5000.
What is Dr. Otto Louis-Jacques' medical license number?
Dr. Louis-Jacques holds Virginia license 0101233886.
Which hospitals is Dr. Otto Louis-Jacques affiliated with?
Dr. Louis-Jacques practices at Children's National Hospital in Washington, District of Columbia.
What medical group is Dr. Otto Louis-Jacques part of?
Dr. Louis-Jacques is linked to Pediatric Specialists of Virginia. Dmand AI links Dr. Louis-Jacques to 2 more medical groups.
Has Dr. Otto Louis-Jacques received payments from drug or device companies?
CMS Open Payments shows $877 in general payments to Dr. Louis-Jacques from 9 companies from 2017 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Dr. Otto Louis-Jacques been practicing?
Dr. Louis-Jacques graduated from medical school in 1989, 37 years ago.
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