Mary Keith Castle, FNP
Nurse Practitioner · Oxford, MS
Mary Keith Castle, FNP is a nurse practitioner with a practice address in Oxford, Mississippi, and NPI 1932996758, issued on Apr 23, 2025. Check the license (Mississippi 907324, as entered in NPPES) with the Mississippi board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mary Keith Castle
- Credential
- FNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 907324 MS
Self-reported in NPPES; status is on the state search - Practice location
- 2908 S Lamar Blvd, Oxford, MS 38655
- Phone
- (662) 281-0112
- Enumerated
- Apr 23, 2025
- Record last updated
- May 21, 2025
- Fax
- (662) 281-0943
- Medicare enrollment
- Enrolled (PECOS I20260206001093); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 1,075 in Mississippi → Look up another NPI →
Also registered at 2908 S Lamar Blvd
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristie Jenkins, NP-CGerontology Nurse Practitioner1114399284
- Leah Roland, M.S. CCC-SLPSpeech-Language Pathologist1902270754
Verify Mary Keith Castle in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
Search for license 907324Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Oxford Neuromuscular Associates, PLLCOxford, MS
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mary Keith Castle among 1,075 nurse practitioner records in Mississippi
Mary Keith Castle, FNP is one of 1,075 nurse practitioner records with a practice address in Mississippi. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 93% of them.
- NPI issued2025 · 93% of these records are older, 3% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2024 · median 2017 among the 686 with a school on file
- Record last updated2025 · 52% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
21 nurse practitioner records list a practice address in Oxford
They are 21 of the 1,418 NPPES records with a practice address in Oxford, and 1,075 nurse practitioner records in Mississippi.
All 1,075 in Mississippi → Every provider in Oxford → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Anita Box Thomas, CFNPOxford, MS 386551679566822
- Brantley Catlette, NPOxford, MS 386551194178475
- Whitney Crow, FNP-COxford, MS 386551831446806
- Julie EdwardsOxford, MS 386551992111405
- Lauren Gaines, FNPOxford, MS 386551356770697
- Bridgett Green, NP-COxford, MS 386551548633761
- Cassie Hughes Denton Austin, FNPOxford, MS 386551316429434
- Sonquanetta Owens, APNOxford, MS 386551093228272
Common questions
What is Mary Keith Castle, FNP's NPI number?
Mary Keith Castle, FNP's National Provider Identifier (NPI) is 1932996758, issued on Apr 23, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Mary Keith Castle, FNP located?
The NPPES record lists a practice address at 2908 S Lamar Blvd, Oxford, MS, 38655. Phone: (662) 281-0112. Providers update this record themselves, so call before visiting.
How can I verify Mary Keith Castle, FNP's license?
NPPES lists Mississippi license number 907324, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.