William Mason Poston, M.D.
Anatomic Pathology & Clinical Pathology Physician · Oxford, MS
William Mason Poston, M.D. is an anatomic pathology & clinical pathology physician with a practice address in Oxford, Mississippi, and NPI 1083628689, issued on Jul 28, 2006. Check the license (Mississippi 12683, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- William Mason Poston
- Credential
- M.D.
- Primary taxonomy
- Anatomic Pathology & Clinical Pathology Physician 207ZP0102X
- License number
- 12683 MS
Self-reported in NPPES; status is on the state search - Practice location
- 2301 S Lamar Blvd, Oxford, MS 38655
- Phone
- (662) 232-8121
- Enumerated
- Jul 28, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (662) 236-5236
- Entity
- Type 1 · individual
8 nearest anatomic pathology & clinical pathology physician records → All 110 in Mississippi → Look up another NPI →
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Verify William Mason Poston in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 12683Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
William Mason Poston among 110 anatomic pathology & clinical pathology physician records in Mississippi
William Mason Poston, M.D. is one of 110 anatomic pathology & clinical pathology physician records with a practice address in Mississippi. 57% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 5% of them.
- NPI issued2006 · 5% of these records are older, 50% newer
- In a Medicare fileNo · 57% of these records are
- In the CMS Doctors and Clinicians fileNo · 54% of these records are
- Record last updated2007 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207ZP0102X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Anatomic Pathology & Clinical Pathology Physician providers in Mississippi
There are 110 anatomic pathology & clinical pathology physician records in Mississippi. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 110 in Mississippi → Every provider in Oxford → Anatomic Pathology & Clinical Pathology Physician nationwide →
The 8 anatomic pathology & clinical pathology physician records with the nearest ZIP codes
- Jared Cobb, MDOxford, MS 386551720405814
- Rickey Hicks, M.D.Oxford, MS 386551093757007
- Barbara Proctor, MDOxford, MS 386551598744773
- Lisa Chandler, M.D.Olive Branch, MS 386541780787143
- Julie Hicks, M.D.Olive Branch, MS 386541003024613
- Megan Kempe, M.D.Olive Branch, MS 386541184915241
- Fatima MirSouthaven, MS 386711548645799
- Andrew Martin, M.D.Clarksdale, MS 386141154423499
Common questions
What is William Mason Poston, M.D.'s NPI number?
William Mason Poston, M.D.'s National Provider Identifier (NPI) is 1083628689, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Mason Poston, M.D. located?
The NPPES record lists a practice address at 2301 S Lamar Blvd, Oxford, MS, 38655. Phone: (662) 232-8121. Providers update this record themselves, so call before visiting.
How can I verify William Mason Poston, M.D.'s license?
NPPES lists Mississippi license number 12683, as entered by the provider. Search the Mississippi State Board of Medical Licensure at https://www.msbml.ms.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.