Ladonna Marie Walker, NP
- Part D claims, 2024
- 77
- Industry payments
- $15
- Medical group
- 1
- State licenses
- 2
- Year NPI issued
- 2018
- Practice address
- 2040 Concourse Dr, Saint Louis, MO 63146
- Practice phone
- Call (913) 895-2400
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Quest Diagnostics
Saint Louis, Missouri
Find Ladonna 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.
Ladonna Marie Walker is a family nurse practitioner in Saint Louis, Missouri
Ladonna Walker practices at Quest Diagnostics in Saint Louis, Missouri.
Ladonna Walker's NPI, 1770088445, was assigned on March 26, 2018. Ladonna Walker holds Arkansas license A005566.
- NPI
- 1770088445NPI Registry (opens in a new tab)
- NPI enumeration date
- March 26, 2018
- NPI status
- Active
- Practice phone
- (913) 895-2400
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 34
- Medical school graduation
- 2018
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Ladonna Marie Walker practices at Quest Diagnostics in Saint Louis, Missouri
Ladonna Walker's primary practice is Quest Diagnostics, at 2040 Concourse Dr, Saint Louis, MO 63146 in Saint Louis County. The practice phone is (913) 895-2400.
- Quest Diagnostics2040 Concourse Dr, Saint Louis, MO 63146 · Saint Louis CountyPhone(913) 895-2400
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Ladonna Marie Walker is affiliated with 1 site of care and 1 medical group
Ladonna Walker's primary practice is Quest Diagnostics in Saint Louis, Missouri. The medical group on file is Signify Health.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Ladonna Marie Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Ladonna Walker practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Quest Diagnostics | Available with a free account |
Source: Dmand AI Technology Install Data
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Ladonna Marie Walker is one of 3,989 family nurse practitioners in Missouri
Family is Ladonna Walker's primary specialty in the NPI Registry, under taxonomy code 363LF0000X. Dmand AI has Ladonna Walker's licenses on file in 2 states: Arkansas and Louisiana.
Specialties and state licenses
- Family nurse practitioner, ArkansasPrimary
- Louisiana license
Family nurse practitioners near Ladonna Walker
Counts of family 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
Ladonna Marie Walker's patients have a median age of 42
Across all payers, Dmand AI patient panel data puts Ladonna Walker's median patient age at 42, with 76% women.
Ladonna 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 42
Patient panel by sex, all payers
- Women76%
- Men24%
Source: Dmand AI Patient Panel Data
Ladonna Marie Walker wrote 77 Medicare Part D claims in 2024
In 2024, Ladonna Walker wrote 77 Medicare Part D claims for 14 patients. 79% of them were for generic drugs.
Ladonna Walker's Part D claims by kind of drug, 2024
- Generic61 claims79%
- Brand-name16 claims21%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Ladonna Marie Walker received $15 in industry payments in 2025
CMS Open Payments shows 1 general payment to Ladonna Walker from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Galderma Laboratories, L.P. paid the most, $15.
Companies that paid Ladonna 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 Ladonna Marie 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| 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 Ladonna Marie 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 Ladonna Marie Walker's NPI number?
Ladonna Marie Walker's NPI number is 1770088445. It was assigned on March 26, 2018, and it is active in the NPI Registry.
What does Ladonna Marie Walker specialize in?
Ladonna Marie Walker is a family nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Family Nurse Practitioner (taxonomy code 363LF0000X).
Where does Ladonna Marie Walker practice?
Ladonna Walker practices at 2040 Concourse Dr, Saint Louis, MO 63146. Ladonna Walker's primary practice is Quest Diagnostics in Saint Louis, Missouri.
What is Ladonna Marie Walker's office phone number?
The practice phone on file for Ladonna Walker is (913) 895-2400.
What is Ladonna Marie Walker's medical license number?
Ladonna Walker holds Arkansas license A005566, one of the licenses on file in 2 states.
Which states has Ladonna Marie Walker been licensed in?
Dmand AI has state licenses on file for Ladonna Walker in Arkansas and Louisiana.
What medical group is Ladonna Marie Walker part of?
Ladonna Walker is linked to Signify Health.
Has Ladonna Marie Walker received payments from drug or device companies?
CMS Open Payments shows $15 in general payments to Ladonna Walker from 1 company from 2025 to 2025. The largest total came from Galderma Laboratories, L.P.
How long has Ladonna Marie Walker been practicing?
Ladonna Walker graduated from medical school in 2018, 8 years ago.
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