Dianna J. Walker, NP
- Hospital affiliations
- 1
- Industry payments
- $810
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2014
- Practice address
- 13303 Tesson Ferry Rd, Saint Louis, MO 63128
- Practice phone
- Call (314) 842-3200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
South County Outpatient Surgery Center LP
Saint Louis, Missouri
Find Dianna 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.
Dianna J. Walker is a nurse practitioner in Saint Louis, Missouri
Dianna Walker practices at South County Outpatient Surgery Center LP in Saint Louis, Missouri.
Dianna Walker's NPI, 1073930780, was assigned on March 20, 2014. Dianna Walker holds Missouri license 2014005735.
- NPI
- 1073930780NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6305069352
- NPI enumeration date
- March 20, 2014
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (314) 842-3200
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 39
- Medical school graduation
- 2013
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dianna J. Walker practices at South County Outpatient Surgery Center LP in Saint Louis, Missouri
Dianna Walker's primary practice is South County Outpatient Surgery Center LP, at 13303 Tesson Ferry Rd, Saint Louis, MO 63128 in Saint Louis County. The practice phone is (314) 842-3200.
- South County Outpatient Surgery Center LP13303 Tesson Ferry Rd, Saint Louis, MO 63128 · Saint Louis CountyPhone(314) 842-3200
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dianna J. Walker is affiliated with 3 sites of care and 1 medical group
Dianna Walker's primary practice is South County Outpatient Surgery Center LP in Saint Louis, Missouri. Dianna Walker is also affiliated with Mercy Hospital South. The medical group on file is Esse Health. Dmand AI also links Dianna Walker to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dianna J. Walker's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dianna Walker practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| South County Outpatient Surgery Center LP | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dianna J. Walker is one of 1,347 nurse practitioners in Missouri
Nurse practitioner is Dianna Walker's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Dianna Walker is licensed in Missouri.
Specialties and state licenses
- Nurse practitioner, MissouriPrimary
Nurse practitioners near Dianna Walker
Counts of 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
Dianna J. Walker's patients have a median age of 68
Across all payers, Dmand AI patient panel data puts Dianna Walker's median patient age at 68, with 62% women.
Dianna 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 68
Patient panel by sex, all payers
- Women62%
- Men37%
Source: Dmand AI Patient Panel Data
How Dianna J. Walker takes part in Medicare
Dianna Walker accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dianna J. Walker received $810 in industry payments in 2025
CMS Open Payments shows 39 general payments to Dianna Walker from 11 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Abbvie Inc. paid the most, $225.
Companies that paid Dianna 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 Dianna J. 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 |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 Dianna J. 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 Dianna J. Walker's NPI number?
Dianna J. Walker's NPI number is 1073930780. It was assigned on March 20, 2014, and it is active in the NPI Registry.
What does Dianna J. Walker specialize in?
Dianna J. Walker is a nurse practitioner in Saint Louis, Missouri. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Dianna J. Walker practice?
Dianna Walker practices at 13303 Tesson Ferry Rd, Saint Louis, MO 63128. Dianna Walker's primary practice is South County Outpatient Surgery Center LP in Saint Louis, Missouri. Dmand AI also links Dianna Walker to 1 group practice or clinic.
What is Dianna J. Walker's office phone number?
The practice phone on file for Dianna Walker is (314) 842-3200.
What is Dianna J. Walker's medical license number?
Dianna Walker holds Missouri license 2014005735.
Which hospitals is Dianna J. Walker affiliated with?
Dianna Walker is affiliated with Mercy Hospital South.
What medical group is Dianna J. Walker part of?
Dianna Walker is linked to Esse Health.
Does Dianna J. Walker accept Medicare?
Yes. CMS lists Dianna Walker as accepting Medicare assignment.
Has Dianna J. Walker received payments from drug or device companies?
CMS Open Payments shows $810 in general payments to Dianna Walker from 11 companies from 2025 to 2025. The largest total came from Abbvie Inc.
How long has Dianna J. Walker been practicing?
Dianna Walker graduated from medical school in 2013, 13 years ago.
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