Mary Walter, ARNP
- Hospital affiliations
- 1
- Industry payments
- $29
- State license
- 1
- Year NPI issued
- 2016
- Practice address
- 501 Sixth Avenue South, Saint Petersburg, FL 33701
- Practice phone
- Call (713) 898-7451
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Mary Walter'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.
Mary Walter is a pediatric nurse practitioner in Saint Petersburg, Florida
Mary Walter practices at Johns Hopkins All Children's Hospital in Saint Petersburg, Florida, part of Johns Hopkins Health System.
Mary Walter's NPI, 1942650320, was assigned on June 16, 2016. Mary Walter holds Florida license ARNP1753342.
- NPI
- 1942650320NPI Registry (opens in a new tab)
- NPI enumeration date
- June 16, 2016
- NPI status
- Active
- Practice phone
- (713) 898-7451
- 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
Mary Walter practices at Johns Hopkins All Children's Hospital in Saint Petersburg, Florida
Mary Walter's primary practice is Johns Hopkins All Children's Hospital, at 501 Sixth Avenue South, Saint Petersburg, FL 33701 in Pinellas County. The practice phone is (713) 898-7451.
- Johns Hopkins All Children's Hospital501 Sixth Avenue South, Saint Petersburg, FL 33701 · Pinellas CountyPhone(713) 898-7451
Source: Dmand AI Affiliation Data
Mary Walter is affiliated with 3 sites of care
Mary Walter's primary practice is Johns Hopkins All Children's Hospital in Saint Petersburg, Florida, part of Johns Hopkins Health System. Dmand AI also links Mary Walter to 1 ambulatory surgery center and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Mary Walter's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Walter practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Johns Hopkins All Children's Hospital | Available with a free account |
| +2 more affiliated sites | 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 Johns Hopkins Health System and 6.2K+ hospitals, with verified contacts in the same login.
Mary Walter is one of 904 pediatric nurse practitioners in Florida
Nurse practitioner is Mary Walter's primary specialty in the NPI Registry, under taxonomy code 363LP0200X. The record also lists pediatrics. Mary Walter is licensed in Florida.
Specialties and state licenses
- Pediatric nurse practitioner, FloridaPrimary
Pediatric nurse practitioners near Mary Walter
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
Mary Walter's patients have a median age of 8
Across all payers, Dmand AI patient panel data puts Mary Walter's median patient age at 8, with 40% women.
Mary Walter's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 8
Patient panel by sex, all payers
- Women40%
- Men60%
Source: Dmand AI Patient Panel Data
Mary Walter received $29 in industry payments in 2025
CMS Open Payments shows 1 general payment to Mary Walter from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Sanofi and Genzyme US Companies paid the most, $29.
Companies that paid Mary Walter 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 Mary Walter'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 Mary Walter
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Mary Walter's NPI number?
Mary Walter's NPI number is 1942650320. It was assigned on June 16, 2016, and it is active in the NPI Registry.
What does Mary Walter specialize in?
Mary Walter is a pediatric nurse practitioner in Saint Petersburg, Florida. The primary specialty in the NPI Registry is Pediatric Nurse Practitioner (taxonomy code 363LP0200X).
Where does Mary Walter practice?
Mary Walter practices at 501 Sixth Avenue South, Saint Petersburg, FL 33701. Mary Walter's primary practice is Johns Hopkins All Children's Hospital in Saint Petersburg, Florida, part of Johns Hopkins Health System. Dmand AI also links Mary Walter to 1 ambulatory surgery center and 1 urgent care center.
What is Mary Walter's office phone number?
The practice phone on file for Mary Walter is (713) 898-7451.
What is Mary Walter's medical license number?
Mary Walter holds Florida license ARNP1753342.
Which hospitals is Mary Walter affiliated with?
Mary Walter practices at Johns Hopkins All Children's Hospital in Saint Petersburg, Florida.
Has Mary Walter received payments from drug or device companies?
CMS Open Payments shows $29 in general payments to Mary Walter from 1 company from 2025 to 2025. The largest total came from Sanofi and Genzyme US Companies.
How long has Mary Walter been practicing?
Mary Walter's NPI was assigned in 2016.
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