Leslie Marvene Gallon
- Industry payments
- $39
- Affiliated sites
- 1
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2016
- Practice address
- 9715 Medical Center Dr, Rockville, MD 20850
- Practice phone
- Call (301) 309-2211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Children's Hospital - Rockville (Medical Center Dr)
Pediatric practice · Rockville, Maryland
Find Leslie Gallon'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.
Leslie Marvene Gallon is a pediatric nurse practitioner in Rockville, Maryland
Leslie Gallon practices at Children's Hospital - Rockville (Medical Center Dr) in Rockville, Maryland.
Leslie Gallon's NPI, 1235583246, was assigned on April 15, 2016. Leslie Gallon holds Missouri license 2016000618.
- NPI
- 1235583246NPI Registry (opens in a new tab)
- NPI enumeration date
- April 15, 2016
- NPI status
- Active
- Practice phone
- (301) 309-2211
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Leslie Marvene Gallon practices at Children's Hospital - Rockville (Medical Center Dr) in Rockville, Maryland
Leslie Gallon's primary practice is Children's Hospital - Rockville (Medical Center Dr), at 9715 Medical Center Dr, Rockville, MD 20850. The practice phone is (301) 309-2211.
- Children's Hospital - Rockville (Medical Center Dr)9715 Medical Center Dr, Rockville, MD 20850Phone(301) 309-2211
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Leslie Marvene Gallon is affiliated with 1 site of care and 1 medical group
Leslie Gallon's primary practice is Children's Hospital - Rockville (Medical Center Dr) in Rockville, Maryland. The medical group on file is Children's National Hospital.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Leslie Marvene Gallon's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Leslie Gallon practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Children's Hospital - Rockville (Medical Center Dr) | Available with a free account |
Source: Dmand AI Technology Install Data
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Leslie Marvene Gallon is one of 265 pediatric nurse practitioners in Maryland
Nurse practitioner is Leslie Gallon's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Leslie Gallon is licensed in Missouri.
Specialties and state licenses
- Pediatric nurse practitioner, MissouriPrimary
Pediatric nurse practitioners near Leslie Gallon
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
Leslie Marvene Gallon's patients have a median age of 10
Across all payers, Dmand AI patient panel data puts Leslie Gallon's median patient age at 10, with 38% women.
Leslie Gallon'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
- Women38%
- Men63%
Source: Dmand AI Patient Panel Data
Leslie Marvene Gallon received $39 in industry payments in 2025
CMS Open Payments shows 2 general payments to Leslie Gallon from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Pfizer Inc. paid the most, $21.
Companies that paid Leslie Gallon 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 Leslie Marvene Gallon'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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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 Leslie Marvene Gallon
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Leslie Marvene Gallon's NPI number?
Leslie Marvene Gallon's NPI number is 1235583246. It was assigned on April 15, 2016, and it is active in the NPI Registry.
What does Leslie Marvene Gallon specialize in?
Leslie Marvene Gallon is a pediatric nurse practitioner in Rockville, Maryland. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Leslie Marvene Gallon practice?
Leslie Gallon practices at 9715 Medical Center Dr, Rockville, MD 20850. Leslie Gallon's primary practice is Children's Hospital - Rockville (Medical Center Dr) in Rockville, Maryland.
What is Leslie Marvene Gallon's office phone number?
The practice phone on file for Leslie Gallon is (301) 309-2211.
What is Leslie Marvene Gallon's medical license number?
Leslie Gallon holds Missouri license 2016000618.
What medical group is Leslie Marvene Gallon part of?
Leslie Gallon is linked to Children's National Hospital.
Has Leslie Marvene Gallon received payments from drug or device companies?
CMS Open Payments shows $39 in general payments to Leslie Gallon from 2 companies from 2025 to 2025. The largest total came from Pfizer Inc.
How long has Leslie Marvene Gallon been practicing?
Leslie Gallon's NPI was assigned in 2016.
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