NPPES file of Aug 9, 2026

William Warren Smith, MD

Psychiatry Physician · Pascagoula, MS

William Warren Smith, MD is a psychiatry physician with a practice address in Pascagoula, Mississippi, and NPI 1093759722, issued on Jun 15, 2006. Check the license (Mississippi 11086, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093759722
Name
William Warren Smith
Credential
MD
Primary taxonomy
Psychiatry Physician 2084P0800X
License number
11086 MS
Self-reported in NPPES; status is on the state search
Practice location
4502 LT Eugene J Majure Dr, Pascagoula, MS 39581
Phone
(228) 696-9224
Enumerated
Jun 15, 2006
Record last updated
Mar 11, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(228) 696-9228
Medicaid IDs
00116771 MS
09980325 AL
Medicare enrollment
Enrolled (PECOS I20230608003463); accepts Medicare assignment
Medical or professional school
University Of Mississippi School Of Medicine, 1985
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 4502 LT Eugene J Majure Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Michael Baker, NPPsychiatric/Mental Health Nurse Practitioner1891354114
  2. Karla McCarthy, LCSWClinical Social Worker1619725892
  3. John Montgomery, D.O.Psychiatry Physician1821027368
  4. Perry Morgan, MDPsychiatry Physician1982167359
  5. Olga Owens, FNP-BCPsychiatric/Mental Health Nurse Practitioner1720418726
  6. Pamela Rawdon, LCSWClinical Social Worker1750338703

Verify William Warren Smith in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
    Search for license 11086
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Mississippi license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

41% fewer Medicare Part D claims than the average psychiatry physician in 2024

593 Medicare Part D claims for 40 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 2% of claims.

  1. William Smith593
  2. Specialty average1,000

Most prescribed

  1. Trazodone Hcl81 claims
  2. Quetiapine Fumarate79 claims
  3. Clonazepam52 claims
  4. Bupropion Xl40 claims
  5. Aripiprazole32 claims
  6. Buspirone Hcl32 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Industry payments in 2024: $45.05

2 payments; by number, the most common kind was food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 13,693 providers of this specialty with any payment received $4,954.93 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. William Smith$45.05
  2. Specialty average$4,954.93

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Osage Nation SI-SI A-PE-TxaPawhuska, OK

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

William Warren Smith among 272 psychiatry physician records in Mississippi

William Warren Smith, MD is one of 272 psychiatry physician records with a practice address in Mississippi. 64% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 61% newer
  • In a Medicare fileYes · 64% of these records are
  • In the CMS Doctors and Clinicians fileYes · 41% of these records are
  • Graduated1985 · median 2004 among the 111 with a school on file
  • Record last updated2020 · 53% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Psychiatry Physician providers in Mississippi

There are 272 psychiatry physician records in Mississippi.

The 8 psychiatry physician records with the nearest ZIP codes

  1. John Montgomery, D.O.Pascagoula, MS 395811821027368
  2. Perry Morgan, MDPascagoula, MS 395811982167359
  3. Jeremy Owens, M.D.Pascagoula, MS 395811639246739
  4. Roger Ridgeway, M.D.Pascagoula, MS 395811427219799
  5. Anastasia Kelley, MDOcean Springs, MS 395641235228297
  6. Crystal Cloy, PMHNPBrookhaven, MS 396011548754211
  7. John Richardson, MDBrookhaven, MS 396011144230038
  8. Dustin Marmalich, MDLong Beach, MS 395601093135154

Common questions

What is William Warren Smith, MD's NPI number?

William Warren Smith, MD's National Provider Identifier (NPI) is 1093759722, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is William Warren Smith, MD located?

The NPPES record lists a practice address at 4502 LT Eugene J Majure Dr, Pascagoula, MS, 39581. Phone: (228) 696-9224. Providers update this record themselves, so call before visiting.

How can I verify William Warren Smith, MD's license?

NPPES lists Mississippi license number 11086, 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.

How much does William Warren Smith, MD prescribe under Medicare Part D?

In 2024, William Warren Smith, MD had 593 Medicare Part D claims for 40 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions 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.