Melissa Ann Walker, DNP, RN
- Hospital affiliations
- 1
- Industry payments
- $108
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2023
- 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 Melissa Walker'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.
Melissa Ann Walker is a pediatric nurse practitioner in Washington, District of Columbia
Melissa Walker practices at Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital.
Melissa Walker's NPI, 1013793827, was assigned on September 6, 2023. Melissa Walker holds District of Columbia license NP500013265.
- NPI
- 1013793827NPI Registry (opens in a new tab)
- NPI enumeration date
- September 6, 2023
- 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
Melissa Ann Walker practices at Children's National Hospital in Washington, District of Columbia
Melissa Walker'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
Melissa Ann Walker is affiliated with 2 sites of care and 1 medical group
Melissa Walker's primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. The medical group on file is Children's National Hospital. Dmand AI also links Melissa Walker to 1 more dialysis center, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Melissa Ann Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Melissa Walker practices, 2 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 |
| +1 more affiliated site | 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.
Melissa Ann Walker is one of 113 pediatric nurse practitioners in District of Columbia
Nurse practitioner is Melissa Walker's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Dmand AI has Melissa Walker's licenses on file in 2 states: District of Columbia and Illinois.
Specialties and state licenses
- Pediatric nurse practitioner, District of ColumbiaPrimary
- Registered nurse, Illinois
Pediatric nurse practitioners near Melissa Walker
Counts of pediatric nurse practitioners 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
Melissa Ann Walker's patients have a median age of 9
Across all payers, Dmand AI patient panel data puts Melissa Walker's median patient age at 9, with 50% women.
Melissa Walker'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
Melissa Ann Walker received $108 in industry payments in 2025
CMS Open Payments shows 1 general payment to Melissa Walker from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. BTG International, Inc. paid the most, $108.
Companies that paid Melissa Walker 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 Melissa Ann Walker'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 Melissa Ann Walker
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Melissa Ann Walker's NPI number?
Melissa Ann Walker's NPI number is 1013793827. It was assigned on September 6, 2023, and it is active in the NPI Registry.
What does Melissa Ann Walker specialize in?
Melissa Ann Walker is a pediatric nurse practitioner in Washington, District of Columbia. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Melissa Ann Walker practice?
Melissa Walker practices at 111 Michigan Ave, NW, Washington, DC 20010. Melissa Walker's primary practice is Children's National Hospital in Washington, District of Columbia, part of Children's National Hospital. Dmand AI also links Melissa Walker to 1 dialysis center.
What is Melissa Ann Walker's office phone number?
The practice phone on file for Melissa Walker is (202) 476-5000.
What is Melissa Ann Walker's medical license number?
Melissa Walker holds District of Columbia license NP500013265, one of the licenses on file in 2 states.
Which states has Melissa Ann Walker been licensed in?
Dmand AI has state licenses on file for Melissa Walker in District of Columbia and Illinois.
Which hospitals is Melissa Ann Walker affiliated with?
Melissa Walker practices at Children's National Hospital in Washington, District of Columbia.
What medical group is Melissa Ann Walker part of?
Melissa Walker is linked to Children's National Hospital.
Has Melissa Ann Walker received payments from drug or device companies?
CMS Open Payments shows $108 in general payments to Melissa Walker from 1 company from 2025 to 2025. The largest total came from BTG International, Inc.
How long has Melissa Ann Walker been practicing?
Melissa Walker's NPI was assigned in 2023.
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