Brendan Williams, DO
Internal Medicine Physician · Southaven, MS
Brendan Williams, DO is an internal medicine physician with a practice address in Southaven, Mississippi, and NPI 1932588407, issued on May 29, 2015. Check the license (Mississippi 26703, as entered in NPPES) on the Mississippi State Board of Medical Licensure; the Medicare figures below come from public CMS files.
- Name
- Brendan Williams
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 26703 MS
E-13921 AR
OS15264 FL
3718 TN
Self-reported in NPPES; status is on the state search - Practice location
- 7601 Southcrest Pkwy, Southaven, MS 38671
- Phone
- (662) 772-2980
- Enumerated
- May 29, 2015
- Record last updated
- Mar 12, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (662) 772-2960
- Medicaid ID
- 024944600 FL
- Medicare enrollment
- Enrolled (PECOS I20210318002583); accepts Medicare assignment
- Medical or professional school
- Lincoln Mem Univ, Debusk Col Of Osteopathic Med, 2015
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 972 in Mississippi → Look up another NPI →
Also registered at 7601 Southcrest Pkwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Brendan Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMississippi State Board of Medical Licensure
Search for license 26703Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
38 Medicare Part D claims for 19 beneficiaries, against an average of 3,176 among the 108,855 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Bills Medicare through 2 group practices
- Baptist Memorial Medical Group, Inc.West Memphis, AR
- Southeastern Intensivist Services PCWest Memphis, AR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Brendan Williams among 972 internal medicine physician records in Mississippi
Brendan Williams, DO is one of 972 internal medicine physician records with a practice address in Mississippi. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 57% of them.
- NPI issued2015 · 57% of these records are older, 40% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated2015 · median 2008 among the 585 with a school on file
- Record last updated2021 · 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 207R00000X and a Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 internal medicine physician records list a practice address in Southaven
They are 40 of the 1,123 NPPES records with a practice address in Southaven, and 972 internal medicine physician records in Mississippi.
All 972 in Mississippi → Every provider in Southaven → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Gafar Adesoji, M.DSouthaven, MS 386711861414708
- Gina Bray, DOSouthaven, MS 386711255338984
- Lily Herbert, M.D.Southaven, MS 386711083719199
- Mukesh Jain, MDSouthaven, MS 386711447282991
- Fazila Khaliq, MDSouthaven, MS 386711467671677
- Sunil Malhotra, MDSouthaven, MS 386711841369907
- Mary Missak, M.D.Southaven, MS 386711962507061
- Ayesha Muzammil, MDSouthaven, MS 386711730261686
Common questions
What is Brendan Williams, DO's NPI number?
Brendan Williams, DO's National Provider Identifier (NPI) is 1932588407, issued on May 29, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Brendan Williams, DO located?
The NPPES record lists a practice address at 7601 Southcrest Pkwy, Southaven, MS, 38671. Phone: (662) 772-2980. Providers update this record themselves, so call before visiting.
How can I verify Brendan Williams, DO's license?
NPPES lists Mississippi license number 26703, 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 Brendan Williams, DO prescribe under Medicare Part D?
In 2024, Brendan Williams, DO had 38 Medicare Part D claims for 19 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Brendan Williams, DO's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.