Marjorie McKnight

  • Washington, DC
  • Pediatrician
NPI1659430817
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
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Mobile number
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Social profiles

Primary practice

Children's National Hospital

Hospital · Washington, District of Columbia

See all 4 affiliations

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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 and contact details
NPI enumeration date
December 6, 2006
NPI status
Active
Practice phone
(202) 476-5000
Professional email
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Personal email
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Mobile number
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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.

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.

See all 4 affiliations for Marjorie McKnight

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.

EHR by site
SiteEHR vendor and product
Children's National HospitalAvailable with a free account
+2 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

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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 ColumbiaPrimaryLicense MD16135 · taxonomy 208000000X

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.

See all payments to Marjorie McKnight

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Marjorie McKnight's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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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