Marjorie McKnight
- Hospital affiliations
- 1
- Industry payments
- $15
- Medical group
- 1
- 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 Marjorie McKnight'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.
Marjorie McKnight is a pediatrician in Washington, District of Columbia
Marjorie McKnight practices at Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital.
Marjorie McKnight's NPI, 1659430817, was assigned on December 6, 2006. Marjorie McKnight holds District of Columbia license MD16135.
- NPI
- 1659430817NPI Registry (opens in a new tab)
- NPI enumeration date
- December 6, 2006
- NPI status
- Active
- Practice phone
- (202) 476-5000
- 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
Marjorie McKnight practices at Children's National Hospital in Washington, District of Columbia
Marjorie McKnight's 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
Marjorie McKnight is affiliated with 3 sites of care and 1 medical group
Marjorie McKnight's primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. Dmand AI also links Marjorie McKnight to 1 dialysis center, 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Marjorie McKnight's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Marjorie McKnight practices, 3 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 |
| +2 more sites and 1 medical group | 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.
Marjorie McKnight is one of 545 pediatricians in District of Columbia
Pediatrics is Marjorie McKnight's primary specialty in the NPI Registry, under taxonomy code 208000000X. Marjorie McKnight is licensed in District of Columbia.
Specialties and state licenses
- Pediatrics, District of ColumbiaPrimary
Pediatricians near Marjorie McKnight
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
Marjorie McKnight's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Marjorie McKnight's median patient age at 9, with 47% women.
Marjorie McKnight'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
- Women47%
- Men51%
Source: Dmand AI Patient Panel Data
Marjorie McKnight received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Marjorie McKnight from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Cranial Technologies, Inc paid the most, $15.
Companies that paid Marjorie McKnight 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 Marjorie McKnight'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 Marjorie McKnight
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Marjorie McKnight's NPI number?
Marjorie McKnight's NPI number is 1659430817. It was assigned on December 6, 2006, and it is active in the NPI Registry.
What does Marjorie McKnight specialize in?
Marjorie McKnight is a pediatrician in Washington, District of Columbia. The primary specialty in the NPI Registry is Pediatrics Physician (taxonomy code 208000000X).
Where does Marjorie McKnight practice?
Marjorie McKnight practices at 111 Michigan Ave, NW, Washington, DC 20010. Marjorie McKnight's primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. Dmand AI also links Marjorie McKnight to 1 dialysis center, 1 group practice or clinic and 1 medical group.
What is Marjorie McKnight's office phone number?
The practice phone on file for Marjorie McKnight is (202) 476-5000.
What is Marjorie McKnight's medical license number?
Marjorie McKnight holds District of Columbia license MD16135.
Which hospitals is Marjorie McKnight affiliated with?
Marjorie McKnight practices at Children's National Hospital in Washington, District of Columbia.
Has Marjorie McKnight received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Marjorie McKnight from 1 company from 2025 to 2025. The largest total came from Cranial Technologies, Inc.
How long has Marjorie McKnight been practicing?
Marjorie McKnight's NPI was assigned in 2006.
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