William Walker, MD
Family Medicine Physician · Sumrall, MS
William Walker, MD is a family medicine physician with a practice address in Sumrall, Mississippi, and NPI 1184668246, issued on Jun 16, 2006. Check the license (Mississippi 08061, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- William Walker
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 08061 MS
Self-reported in NPPES; status is on the state search - Practice location
- Merit Health Medical Group-Sumrall, Sumrall, MS 39482
- Phone
- (601) 758-4606
- Enumerated
- Jun 16, 2006
- Entity
- Type 1 · individual
Verify William Walker in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 08061Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
98% fewer Medicare Part D claims than the average family medicine physician in 2024
56 Medicare Part D claims for 15 beneficiaries, against an average of 3,519 among the 111,126 providers of this specialty who prescribed in Part D.
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.
The Medicare quality score for 2023: 89.8 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
5 family medicine physician records list a Sumrall practice address
They are 5 of the 52 NPPES records with a Sumrall practice address, and 1,133 family medicine physician records in Mississippi.
All 5 in Sumrall → All 1,133 in Mississippi → Every provider in Sumrall →
Other family medicine physician records in Mississippi
- Abdu Mohamed Abdallah Ahmed, MDJackson, MS1851824171
- Kevin Abel, M.D.Baldwyn, MS1134356272
- George Abraham, MDVicksburg, MS1184669798
- Audie Adams, M.D.Senatobia, MS1811074511
- Dennis Adams, MDMendenhall, MS1033137658
- Onaola AdedejiMeridian, MS1952155665
- Shawanda Agnew, MDSouthaven, MS1790197416
- Sahiba Ahluwalia, MDBay St Louis, MS1962856419
- Marilyn Aiello, M.D.Jackson, MS1710088158
- Seren Ainsworth, FNP-CBiloxi, MS1356900534
Common questions
What is William Walker, MD's NPI number?
William Walker, MD's National Provider Identifier (NPI) is 1184668246, issued on Jun 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Walker, MD located?
The NPPES record lists a practice address at Merit Health Medical Group-Sumrall, Sumrall, MS, 39482. Phone: (601) 758-4606. Providers update this record themselves, so call before visiting.
How can I verify William Walker, MD's license?
NPPES lists Mississippi license number 08061, 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 Walker, MD prescribe under Medicare Part D?
In 2024, William Walker, MD had 56 Medicare Part D claims for 15 beneficiaries; the average among family medicine physician prescribers was 3,519. Part D covers Medicare prescriptions only.
What is William Walker, MD's Medicare quality score?
The 2023 MIPS final score is 89.8 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.