Mary Keith Castle, FNP
- Hospital affiliations
- 2
- Industry payments
- $775
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2025
- Practice address
- 1100 Belk Blvd, Oxford, MS 38655
- Practice phone
- Call (662) 232-8100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Mary Castle'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 Keith Castle is a nurse practitioner in Oxford, Mississippi
Mary Castle practices at Baptist Memorial Hospital-North Mississippi in Oxford, Mississippi, part of Baptist Memorial Health Care.
Mary Castle's NPI, 1932996758, was assigned on April 23, 2025. Mary Castle holds Mississippi license 907324.
- NPI
- 1932996758NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2961981329
- NPI enumeration date
- April 23, 2025
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (662) 232-8100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 28
- Medical school graduation
- 2024
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Mary Keith Castle practices at Baptist Memorial Hospital-North Mississippi in Oxford, Mississippi
Mary Castle's primary practice is Baptist Memorial Hospital-North Mississippi, at 1100 Belk Blvd, Oxford, MS 38655 in Lafayette County. The practice phone is (662) 232-8100.
- Baptist Memorial Hospital-North Mississippi1100 Belk Blvd, Oxford, MS 38655 · Lafayette CountyPhone(662) 232-8100
Source: Dmand AI Affiliation Data
Mary Keith Castle is affiliated with 3 sites of care and 1 medical group
Mary Castle's primary practice is Baptist Memorial Hospital-North Mississippi in Oxford, Mississippi, part of Baptist Memorial Health Care. The medical group on file is Oxford Neurology Clinic. Dmand AI also links Mary Castle to 1 more hospital and 1 group practice or clinic, 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 Keith Castle's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Mary Castle practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Baptist Memorial Hospital-North Mississippi | 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 Baptist Memorial Health Care and 6.2K+ hospitals, with verified contacts in the same login.
Mary Keith Castle is one of 817 nurse practitioners in Mississippi
Nurse practitioner is Mary Castle's primary specialty in the NPI Registry, under taxonomy code 363L00000X. Mary Castle is licensed in Mississippi.
Specialties and state licenses
- Nurse practitioner, MississippiPrimary
Nurse practitioners near Mary Castle
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
Mary Keith Castle's patients have a median age of 59
Across all payers, Dmand AI patient panel data puts Mary Castle's median patient age at 59, with 56% women.
Mary Castle's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 59
Patient panel by sex, all payers
- Women56%
- Men44%
Source: Dmand AI Patient Panel Data
How Mary Keith Castle takes part in Medicare
Mary Castle 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)
Mary Keith Castle received $775 in industry payments in 2025
CMS Open Payments shows 43 general payments to Mary Castle from 20 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Lundbeck LLC paid the most, $107.
Companies that paid Mary Castle 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 Keith Castle'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 |
| 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 Mary Keith Castle
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 Keith Castle's NPI number?
Mary Keith Castle's NPI number is 1932996758. It was assigned on April 23, 2025, and it is active in the NPI Registry.
What does Mary Keith Castle specialize in?
Mary Keith Castle is a nurse practitioner in Oxford, Mississippi. The primary specialty in the NPI Registry is Nurse Practitioner (taxonomy code 363L00000X).
Where does Mary Keith Castle practice?
Mary Castle practices at 1100 Belk Blvd, Oxford, MS 38655. Mary Castle's primary practice is Baptist Memorial Hospital-North Mississippi in Oxford, Mississippi, part of Baptist Memorial Health Care. Dmand AI also links Mary Castle to 1 hospital and 1 group practice or clinic.
What is Mary Keith Castle's office phone number?
The practice phone on file for Mary Castle is (662) 232-8100.
What is Mary Keith Castle's medical license number?
Mary Castle holds Mississippi license 907324.
Which hospitals is Mary Keith Castle affiliated with?
Mary Castle practices at Baptist Memorial Hospital-North Mississippi in Oxford, Mississippi. Dmand AI links Mary Castle to 1 more hospital.
What medical group is Mary Keith Castle part of?
Mary Castle is linked to Oxford Neurology Clinic.
Does Mary Keith Castle accept Medicare?
Yes. CMS lists Mary Castle as accepting Medicare assignment.
Has Mary Keith Castle received payments from drug or device companies?
CMS Open Payments shows $775 in general payments to Mary Castle from 20 companies from 2025 to 2025. The largest total came from Lundbeck LLC.
How long has Mary Keith Castle been practicing?
Mary Castle graduated from medical school in 2024, 2 years ago.
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